Er2Cu3C42H38(N3O17)2 crystallizes in the triclinic P1 space group. There are four inequivalent Er sites. In the first Er site, Er(1) is bonded in a 8-coordinate geometry to one O(25), one O(46), one O(49), one O(5), one O(53), one O(57), one O(61), and one O(65) atom. The Er(1)-O(25) bond length is 2.22 Å. The Er(1)-O(46) bond length is 2.28 Å. The Er(1)-O(49) bond length is 2.40 Å. The Er(1)-O(5) bond length is 2.28 Å. The Er(1)-O(53) bond length is 2.31 Å. The Er(1)-O(57) bond length is 2.37 Å. The Er(1)-O(61) bond length is 2.45 Å. The Er(1)-O(65) bond length is 2.50 Å. In the second Er site, Er(2) is bonded in a 8-coordinate geometry to one O(26), one O(45), one O(50), one O(54), one O(58), one O(6), one O(62), and one O(66) atom. The Er(2)-O(26) bond length is 2.23 Å. The Er(2)-O(45) bond length is 2.28 Å. The Er(2)-O(50) bond length is 2.40 Å. The Er(2)-O(54) bond length is 2.31 Å. The Er(2)-O(58) bond length is 2.36 Å. The Er(2)-O(6) bond length is 2.28 Å. The Er(2)-O(62) bond length is 2.45 Å. The Er(2)-O(66) bond length is 2.50 Å. In the third Er site, Er(3) is bonded in a 8-coordinate geometry to one O(27), one O(48), one O(51), one O(55), one O(59), one O(63), one O(67), and one O(7) atom. The Er(3)-O(27) bond length is 2.23 Å. The Er(3)-O(48) bond length is 2.30 Å. The Er(3)-O(51) bond length is 2.41 Å. The Er(3)-O(55) bond length is 2.34 Å. The Er(3)-O(59) bond length is 2.33 Å. The Er(3)-O(63) bond length is 2.38 Å. The Er(3)-O(67) bond length is 2.49 Å. The Er(3)-O(7) bond length is 2.30 Å. In the fourth Er site, Er(4) is bonded in a 8-coordinate geometry to one O(28), one O(47), one O(52), one O(56), one O(60), one O(64), one O(68), and one O(8) atom. The Er(4)-O(28) bond length is 2.23 Å. The Er(4)-O(47) bond length is 2.30 Å. The Er(4)-O(52) bond length is 2.41 Å. The Er(4)-O(56) bond length is 2.34 Å. The Er(4)-O(60) bond length is 2.33 Å. The Er(4)-O(64) bond length is 2.38 Å. The Er(4)-O(68) bond length is 2.49 Å. The Er(4)-O(8) bond length is 2.31 Å. There are six inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a 5-coordinate geometry to one N(2), one N(5), one O(13), one O(17), and one O(2) atom. The Cu(1)-N(2) bond length is 1.97 Å. The Cu(1)-N(5) bond length is 1.96 Å. The Cu(1)-O(13) bond length is 2.48 Å. The Cu(1)-O(17) bond length is 2.01 Å. The Cu(1)-O(2) bond length is 2.02 Å. In the second Cu site, Cu(2) is bonded in a 6-coordinate geometry to one N(1), one N(6), one O(1), one O(14), one O(18), and one O(44) atom. The Cu(2)-N(1) bond length is 1.97 Å. The Cu(2)-N(6) bond length is 1.96 Å. The Cu(2)-O(1) bond length is 2.02 Å. The Cu(2)-O(14) bond length is 2.52 Å. The Cu(2)-O(18) bond length is 2.00 Å. The Cu(2)-O(44) bond length is 2.69 Å. In the third Cu site, Cu(3) is bonded in a distorted square pyramidal geometry to one N(4), one N(7), one O(15), one O(19), and one O(4) atom. The Cu(3)-N(4) bond length is 1.97 Å. The Cu(3)-N(7) bond length is 1.96 Å. The Cu(3)-O(15) bond length is 2.45 Å. The Cu(3)-O(19) bond length is 1.99 Å. The Cu(3)-O(4) bond length is 2.00 Å. In the fourth Cu site, Cu(4) is bonded in a distorted square pyramidal geometry to one N(3), one N(8), one O(16), one O(20), and one O(3) atom. The Cu(4)-N(3) bond length is 1.97 Å. The Cu(4)-N(8) bond length is 1.97 Å. The Cu(4)-O(16) bond length is 2.45 Å. The Cu(4)-O(20) bond length is 1.99 Å. The Cu(4)-O(3) bond length is 2.00 Å. In the fifth Cu site, Cu(5) is bonded in a 5-coordinate geometry to one N(11), one N(9), one O(31), one O(33), and one O(35) atom. The Cu(5)-N(11) bond length is 1.96 Å. The Cu(5)-N(9) bond length is 1.96 Å. The Cu(5)-O(31) bond length is 2.52 Å. The Cu(5)-O(33) bond length is 1.98 Å. The Cu(5)-O(35) bond length is 1.97 Å. In the sixth Cu site, Cu(6) is bonded in a 5-coordinate geometry to one N(10), one N(12), one O(32), one O(34), and one O(36) atom. The Cu(6)-N(10) bond length is 1.96 Å. The Cu(6)-N(12) bond length is 1.96 Å. The Cu(6)-O(32) bond length is 2.54 Å. The Cu(6)-O(34) bond length is 1.98 Å. The Cu(6)-O(36) bond length is 1.97 Å. There are eighty-one inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(1), and one O(5) atom. The C(1)-C(5) bond length is 1.49 Å. The C(1)-O(1) bond length is 1.29 Å. The C(1)-O(5) bond length is 1.25 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(6), one O(2), and one O(6) atom. The C(2)-C(6) bond length is 1.49 Å. The C(2)-O(2) bond length is 1.29 Å. The C(2)-O(6) bond length is 1.25 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one C(7), one O(3), and one O(7) atom. The C(3)-C(7) bond length is 1.50 Å. The C(3)-O(3) bond length is 1.30 Å. The C(3)-O(7) bond length is 1.25 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one C(8), one O(4), and one O(8) atom. The C(4)-C(8) bond length is 1.50 Å. The C(4)-O(4) bond length is 1.30 Å. The C(4)-O(8) bond length is 1.25 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(1), one C(9), and one N(1) atom. The C(5)-C(9) bond length is 1.40 Å. The C(5)-N(1) bond length is 1.36 Å. In the sixth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(10), one C(2), and one N(2) atom. The C(6)-C(10) bond length is 1.40 Å. The C(6)-N(2) bond length is 1.36 Å. In the seventh C site, C(7) is bonded in a distorted trigonal planar geometry to one C(11), one C(3), and one N(3) atom. The C(7)-C(11) bond length is 1.40 Å. The C(7)-N(3) bond length is 1.36 Å. In the eighth C site, C(8) is bonded in a distorted trigonal planar geometry to one C(12), one C(4), and one N(4) atom. The C(8)-C(12) bond length is 1.40 Å. The C(8)-N(4) bond length is 1.36 Å. In the ninth C site, C(9) is bonded in a trigonal planar geometry to one C(13), one C(17), and one C(5) atom. The C(9)-C(13) bond length is 1.53 Å. The C(9)-C(17) bond length is 1.40 Å. In the tenth C site, C(10) is bonded in a trigonal planar geometry to one C(14), one C(18), and one C(6) atom. The C(10)-C(14) bond length is 1.53 Å. The C(10)-C(18) bond length is 1.40 Å. In the eleventh C site, C(11) is bonded in a trigonal planar geometry to one C(15); one C(19,20); and one C(7) atom. The C(11)-C(15) bond length is 1.53 Å. The C(11)-C(19,20) bond length is 1.41 Å. In the twelfth C site, C(12) is bonded in a trigonal planar geometry to one C(16); one C(19,20); and one C(8) atom. The C(12)-C(16) bond length is 1.53 Å. The C(12)-C(19,20) bond length is 1.41 Å. In the thirteenth C site, C(13) is bonded in a distorted bent 120 degrees geometry to one C(9), one O(13), and one O(9) atom. The C(13)-O(13) bond length is 1.26 Å. The C(13)-O(9) bond length is 1.27 Å. In the fourteenth C site, C(14) is bonded in a distorted bent 120 degrees geometry to one C(10), one O(10), and one O(14) atom. The C(14)-O(10) bond length is 1.27 Å. The C(14)-O(14) bond length is 1.26 Å. In the fifteenth C site, C(15) is bonded in a distorted bent 120 degrees geometry to one C(11), one O(11), and one O(15) atom. The C(15)-O(11) bond length is 1.27 Å. The C(15)-O(15) bond length is 1.26 Å. In the sixteenth C site, C(16) is bonded in a distorted bent 120 degrees geometry to one C(12), one O(12), and one O(16) atom. The C(16)-O(12) bond length is 1.27 Å. The C(16)-O(16) bond length is 1.26 Å. In the seventeenth C site, C(17) is bonded in a distorted single-bond geometry to one C(21), one C(9), and one H(41) atom. The C(17)-C(21) bond length is 1.39 Å. The C(17)-H(41) bond length is 1.09 Å. In the eighteenth C site, C(18) is bonded in a distorted single-bond geometry to one C(10), one C(22), and one H(42) atom. The C(18)-C(22) bond length is 1.39 Å. The C(18)-H(42) bond length is 1.09 Å. In the nineteenth C site, C(19,20) is bonded in a distorted single-bond geometry to one C(11); one C(23); and one H(43,44) atom. The C(19,20)-C(23) bond length is 1.39 Å. The C(19,20)-H(43,44) bond length is 1.09 Å. In the twentieth C site, C(21) is bonded in a distorted trigonal planar geometry to one C(17); one C(25); and one H(45,46) atom. The C(21)-C(25) bond length is 1.39 Å. The C(21)-H(45,46) bond length is 1.09 Å. In the twenty-first C site, C(22) is bonded in a distorted trigonal planar geometry to one C(18); one C(26); and one H(45,46) atom. The C(22)-C(26) bond length is 1.39 Å. The C(22)-H(45,46) bond length is 1.09 Å. In the twenty-second C site, C(23) is bonded in a distorted trigonal planar geometry to one C(19,20); one C(27); and one H(47,48) atom. The C(23)-C(27) bond length is 1.40 Å. The C(23)-H(47,48) bond length is 1.09 Å. In the twenty-third C site, C(24) is bonded in a distorted trigonal planar geometry to one C(19,20); one C(28); and one H(47,48) atom. The C(24)-C(19,20) bond length is 1.39 Å. The C(24)-C(28) bond length is 1.40 Å. The C(24)-H(47,48) bond length is 1.09 Å. In the twenty-fourth C site, C(25) is bonded in a distorted bent 120 degrees geometry to one C(21), one N(1), and one H(49) atom. The C(25)-N(1) bond length is 1.34 Å. The C(25)-H(49) bond length is 1.09 Å. In the twenty-fifth C site, C(26) is bonded in a distorted bent 120 degrees geometry to one C(22), one N(2), and one H(50) atom. The C(26)-N(2) bond length is 1.34 Å. The C(26)-H(50) bond length is 1.09 Å. In the twenty-sixth C site, C(27) is bonded in a distorted bent 120 degrees geometry to one C(23), one N(3), and one H(51) atom. The C(27)-N(3) bond length is 1.34 Å. The C(27)-H(51) bond length is 1.09 Å. In the twenty-seventh C site, C(28) is bonded in a distorted bent 120 degrees geometry to one C(24), one N(4), and one H(52) atom. The C(28)-N(4) bond length is 1.34 Å. The C(28)-H(52) bond length is 1.09 Å. In the twenty-eighth C site, C(29) is bonded in a distorted bent 120 degrees geometry to one C(33), one O(17), and one O(21) atom. The C(29)-C(33) bond length is 1.50 Å. The C(29)-O(17) bond length is 1.30 Å. The C(29)-O(21) bond length is 1.25 Å. In the twenty-ninth C site, C(30) is bonded in a distorted bent 120 degrees geometry to one C(34), one O(18), and one O(22) atom. The C(30)-C(34) bond length is 1.50 Å. The C(30)-O(18) bond length is 1.30 Å. The C(30)-O(22) bond length is 1.25 Å. In the thirtieth C site, C(31) is bonded in a distorted bent 120 degrees geometry to one C(35), one O(19), and one O(23) atom. The C(31)-C(35) bond length is 1.50 Å. The C(31)-O(19) bond length is 1.30 Å. The C(31)-O(23) bond length is 1.25 Å. In the thirty-first C site, C(32) is bonded in a distorted bent 120 degrees geometry to one C(36), one O(20), and one O(24) atom. The C(32)-C(36) bond length is 1.50 Å. The C(32)-O(20) bond length is 1.30 Å. The C(32)-O(24) bond length is 1.25 Å. In the thirty-second C site, C(33) is bonded in a distorted single-bond geometry to one C(29), one C(37), and one N(5) atom. The C(33)-C(37) bond length is 1.40 Å. The C(33)-N(5) bond length is 1.35 Å. In the thirty-third C site, C(34) is bonded in a distorted single-bond geometry to one C(30), one C(38), and one N(6) atom. The C(34)-C(38) bond length is 1.40 Å. The C(34)-N(6) bond length is 1.35 Å. In the thirty-fourth C site, C(35) is bonded in a distorted trigonal planar geometry to one C(31), one C(39), and one N(7) atom. The C(35)-C(39) bond length is 1.40 Å. The C(35)-N(7) bond length is 1.35 Å. In the thirty-fifth C site, C(36) is bonded in a distorted trigonal planar geometry to one C(32), one C(40), and one N(8) atom. The C(36)-C(40) bond length is 1.40 Å. The C(36)-N(8) bond length is 1.35 Å. In the thirty-sixth C site, C(37) is bonded in a trigonal planar geometry to one C(33), one C(41), and one C(45) atom. The C(37)-C(41) bond length is 1.52 Å. The C(37)-C(45) bond length is 1.40 Å. In the thirty-seventh C site, C(38) is bonded in a trigonal planar geometry to one C(34), one C(42), and one C(46) atom. The C(38)-C(42) bond length is 1.52 Å. The C(38)-C(46) bond length is 1.40 Å. In the thirty-eighth C site, C(39) is bonded in a trigonal planar geometry to one C(35); one C(43); and one C(47,48) atom. The C(39)-C(43) bond length is 1.52 Å. The C(39)-C(47,48) bond length is 1.40 Å. In the thirty-ninth C site, C(40) is bonded in a trigonal planar geometry to one C(36); one C(44); and one C(47,48) atom. The C(40)-C(44) bond length is 1.52 Å. The C(40)-C(47,48) bond length is 1.40 Å. In the fortieth C site, C(41) is bonded in a distorted bent 120 degrees geometry to one C(37), one O(25), and one O(29) atom. The C(41)-O(25) bond length is 1.29 Å. The C(41)-O(29) bond length is 1.24 Å. In the forty-first C site, C(42) is bonded in a distorted bent 120 degrees geometry to one C(38), one O(26), and one O(30) atom. The C(42)-O(26) bond length is 1.29 Å. The C(42)-O(30) bond length is 1.24 Å. In the forty-second C site, C(43) is bonded in a distorted bent 120 degrees geometry to one C(39), one O(27), and one O(31) atom. The C(43)-O(27) bond length is 1.28 Å. The C(43)-O(31) bond length is 1.25 Å. In the forty-third C site, C(44) is bonded in a distorted bent 120 degrees geometry to one C(40), one O(28), and one O(32) atom. The C(44)-O(28) bond length is 1.28 Å. The C(44)-O(32) bond length is 1.25 Å. In the forty-fourth C site, C(45) is bonded in a distorted single-bond geometry to one C(37), one C(49), and one H(53) atom. The C(45)-C(49) bond length is 1.39 Å. The C(45)-H(53) bond length is 1.09 Å. In the forty-fifth C site, C(46) is bonded in a distorted single-bond geometry to one C(38), one C(50), and one H(54) atom. The C(46)-C(50) bond length is 1.39 Å. The C(46)-H(54) bond length is 1.09 Å. In the forty-sixth C site, C(47,48) is bonded in a distorted single-bond geometry to one C(39); one C(51); and one H(55,56) atom. The C(47,48)-C(51) bond length is 1.39 Å. The C(47,48)-H(55,56) bond length is 1.09 Å. In the forty-seventh C site, C(49) is bonded in a distorted trigonal planar geometry to one C(45), one C(53), and one H(57) atom. The C(49)-C(53) bond length is 1.39 Å. The C(49)-H(57) bond length is 1.09 Å. In the forty-eighth C site, C(50) is bonded in a distorted single-bond geometry to one C(46), one C(54), and one H(58) atom. The C(50)-C(54) bond length is 1.39 Å. The C(50)-H(58) bond length is 1.09 Å. In the forty-ninth C site, C(51) is bonded in a distorted trigonal planar geometry to one C(47,48); one C(55); and one H(59,60) atom. The C(51)-C(55) bond length is 1.39 Å. The C(51)-H(59,60) bond length is 1.09 Å. In the fiftieth C site, C(52) is bonded in a distorted trigonal planar geometry to one C(47,48); one C(56); and one H(59,60) atom. The C(52)-C(47,48) bond length is 1.39 Å. The C(52)-C(56) bond length is 1.39 Å. The C(52)-H(59,60) bond length is 1.09 Å. In the fifty-first C site, C(53) is bonded in a distorted trigonal planar geometry to one C(49), one N(5), and one H(61) atom. The C(53)-N(5) bond length is 1.34 Å. The C(53)-H(61) bond length is 1.09 Å. In the fifty-second C site, C(54) is bonded in a distorted trigonal planar geometry to one C(50), one N(6), and one H(62) atom. The C(54)-N(6) bond length is 1.34 Å. The C(54)-H(62) bond length is 1.09 Å. In the fifty-third C site, C(55) is bonded in a distorted trigonal planar geometry to one C(51), one N(7), and one H(63) atom. The C(55)-N(7) bond length is 1.34 Å. The C(55)-H(63) bond length is 1.09 Å. In the fifty-fourth C site, C(56) is bonded in a distorted trigonal planar geometry to one C(52), one N(8), and one H(64) atom. The C(56)-N(8) bond length is 1.34 Å. The C(56)-H(64) bond length is 1.09 Å. In the fifty-fifth C site, C(57) is bonded in a distorted bent 120 degrees geometry to one C(61), one O(33), and one O(37) atom. The C(57)-C(61) bond length is 1.51 Å. The C(57)-O(33) bond length is 1.28 Å. The C(57)-O(37) bond length is 1.25 Å. In the fifty-sixth C site, C(58) is bonded in a distorted bent 120 degrees geometry to one C(62), one O(34), and one O(38) atom. The C(58)-C(62) bond length is 1.51 Å. The C(58)-O(34) bond length is 1.28 Å. The C(58)-O(38) bond length is 1.25 Å. In the fifty-seventh C site, C(59) is bonded in a distorted bent 120 degrees geometry to one C(63), one O(35), and one O(39) atom. The C(59)-C(63) bond length is 1.51 Å. The C(59)-O(35) bond length is 1.28 Å. The C(59)-O(39) bond length is 1.25 Å. In the fifty-eighth C site, C(60) is bonded in a distorted bent 120 degrees geometry to one C(64), one O(36), and one O(40) atom. The C(60)-C(64) bond length is 1.51 Å. The C(60)-O(36) bond length is 1.28 Å. The C(60)-O(40) bond length is 1.25 Å. In the fifty-ninth C site, C(61) is bonded in a distorted trigonal planar geometry to one C(57), one C(65), and one N(9) atom. The C(61)-C(65) bond length is 1.40 Å. The C(61)-N(9) bond length is 1.35 Å. In the sixtieth C site, C(62) is bonded in a distorted trigonal planar geometry to one C(58), one C(66), and one N(10) atom. The C(62)-C(66) bond length is 1.40 Å. The C(62)-N(10) bond length is 1.35 Å. In the sixty-first C site, C(63) is bonded in a distorted trigonal planar geometry to one C(59), one C(67), and one N(11) atom. The C(63)-C(67) bond length is 1.40 Å. The C(63)-N(11) bond length is 1.35 Å. In the sixty-second C site, C(64) is bonded in a distorted trigonal planar geometry to one C(60), one C(68), and one N(12) atom. The C(64)-C(68) bond length is 1.40 Å. The C(64)-N(12) bond length is 1.35 Å. In the sixty-third C site, C(65) is bonded in a trigonal planar geometry to one C(61), one C(69), and one C(73) atom. The C(65)-C(69) bond length is 1.51 Å. The C(65)-C(73) bond length is 1.40 Å. In the sixty-fourth C site, C(66) is bonded in a trigonal planar geometry to one C(62), one C(70), and one C(74) atom. The C(66)-C(70) bond length is 1.51 Å. The C(66)-C(74) bond length is 1.40 Å. In the sixty-fifth C site, C(67) is bonded in a trigonal planar geometry to one C(63), one C(71), and one C(75) atom. The C(67)-C(71) bond length is 1.51 Å. The C(67)-C(75) bond length is 1.40 Å. In the sixty-sixth C site, C(68) is bonded in a trigonal planar geometry to one C(64), one C(72), and one C(76) atom. The C(68)-C(72) bond length is 1.51 Å. The C(68)-C(76) bond length is 1.40 Å. In the sixty-seventh C site, C(69) is bonded in a distorted bent 120 degrees geometry to one C(65), one O(41), and one O(45) atom. The C(69)-O(41) bond length is 1.27 Å. The C(69)-O(45) bond length is 1.28 Å. In the sixty-eighth C site, C(70) is bonded in a distorted bent 120 degrees geometry to one C(66), one O(42), and one O(46) atom. The C(70)-O(42) bond length is 1.27 Å. The C(70)-O(46) bond length is 1.28 Å. In the sixty-ninth C site, C(71) is bonded in a distorted bent 120 degrees geometry to one C(67), one O(43), and one O(47) atom. The C(71)-O(43) bond length is 1.27 Å. The C(71)-O(47) bond length is 1.27 Å. In the seventieth C site, C(72) is bonded in a distorted bent 120 degrees geometry to one C(68), one O(44), and one O(48) atom. The C(72)-O(44) bond length is 1.27 Å. The C(72)-O(48) bond length is 1.27 Å. In the seventy-first C site, C(73) is bonded in a distorted single-bond geometry to one C(65) and one H(65,66) atom. The C(73)-H(65,66) bond length is 1.09 Å. In the seventy-second C site, C(74) is bonded in a distorted single-bond geometry to one C(66) and one H(65,66) atom. The C(74)-H(65,66) bond length is 1.09 Å. In the seventy-third C site, C(75) is bonded in a distorted single-bond geometry to one C(67) and one H(67,68) atom. The C(75)-H(67,68) bond length is 1.09 Å. In the seventy-fourth C site, C(76) is bonded in a distorted single-bond geometry to one C(68) and one H(67,68) atom. The C(76)-H(67,68) bond length is 1.09 Å. In the seventy-fifth C site, C(77,78) is bonded in a distorted single-bond geometry to one C(81) and one H(69) atom. The C(77,78)-C(81) bond length is 1.40 Å. The C(77,78)-H(69) bond length is 1.09 Å. In the seventy-sixth C site, C(79) is bonded in a distorted single-bond geometry to one C(83) and one H(71) atom. The C(79)-C(83) bond length is 1.39 Å. The C(79)-H(71) bond length is 1.09 Å. In the seventy-seventh C site, C(80) is bonded in a distorted single-bond geometry to one C(84) and one H(72) atom. The C(80)-C(84) bond length is 1.39 Å. The C(80)-H(72) bond length is 1.09 Å. In the seventy-eighth C site, C(81) is bonded in a distorted trigonal planar geometry to one C(77,78); one N(9); and one H(73,74) atom. The C(81)-N(9) bond length is 1.34 Å. The C(81)-H(73,74) bond length is 1.09 Å. In the seventy-ninth C site, C(82) is bonded in a distorted trigonal planar geometry to one C(77,78); one N(10); and one H(73,74) atom. The C(82)-C(77,78) bond length is 1.40 Å. The C(82)-N(10) bond length is 1.34 Å. The C(82)-H(73,74) bond length is 1.09 Å. In the eightieth C site, C(83) is bonded in a distorted trigonal planar geometry to one C(79), one N(11), and one H(75) atom. The C(83)-N(11) bond length is 1.34 Å. The C(83)-H(75) bond length is 1.09 Å. In the eighty-first C site, C(84) is bonded in a distorted trigonal planar geometry to one C(80), one N(12), and one H(76) atom. The C(84)-N(12) bond length is 1.34 Å. The C(84)-H(76) bond length is 1.09 Å. There are twelve inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Cu(2), one C(25), and one C(5) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Cu(1), one C(26), and one C(6) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one Cu(4), one C(27), and one C(7) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one Cu(3), one C(28), and one C(8) atom. In the fifth N site, N(5) is bonded in a trigonal planar geometry to one Cu(1), one C(33), and one C(53) atom. In the sixth N site, N(6) is bonded in a trigonal planar geometry to one Cu(2), one C(34), and one C(54) atom. In the seventh N site, N(7) is bonded in a trigonal planar geometry to one Cu(3), one C(35), and one C(55) atom. In the eighth N site, N(8) is bonded in a trigonal planar geometry to one Cu(4), one C(36), and one C(56) atom. In the ninth N site, N(9) is bonded in a trigonal planar geometry to one Cu(5), one C(61), and one C(81) atom. In the tenth N site, N(10) is bonded in a trigonal planar geometry to one Cu(6), one C(62), and one C(82) atom. In the eleventh N site, N(11) is bonded in a trigonal planar geometry to one Cu(5), one C(63), and one C(83) atom. In the twelfth N site, N(12) is bonded in a trigonal planar geometry to one Cu(6), one C(64), and one C(84) atom. There are sixty-eight inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(49) atom. The H(1)-O(49) bond length is 0.98 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(50) atom. The H(2)-O(50) bond length is 0.98 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(51) atom. The H(3)-O(51) bond length is 0.98 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(52) atom. The H(4)-O(52) bond length is 0.98 Å. In the fifth H site, H(5) is bonded in a distorted linear geometry to one O(21) and one O(49) atom. The H(5)-O(21) bond length is 1.61 Å. The H(5)-O(49) bond length is 1.00 Å. In the sixth H site, H(6) is bonded in a distorted linear geometry to one O(22) and one O(50) atom. The H(6)-O(22) bond length is 1.61 Å. The H(6)-O(50) bond length is 1.00 Å. In the seventh H site, H(7) is bonded in a distorted single-bond geometry to one O(23) and one O(51) atom. The H(7)-O(23) bond length is 1.64 Å. The H(7)-O(51) bond length is 1.00 Å. In the eighth H site, H(8) is bonded in a distorted single-bond geometry to one O(24) and one O(52) atom. The H(8)-O(24) bond length is 1.65 Å. The H(8)-O(52) bond length is 1.00 Å. In the ninth H site, H(9) is bonded in a distorted single-bond geometry to one O(38) and one O(53) atom. The H(9)-O(38) bond length is 1.56 Å. The H(9)-O(53) bond length is 1.01 Å. In the tenth H site, H(10) is bonded in a distorted single-bond geometry to one O(37) and one O(54) atom. The H(10)-O(37) bond length is 1.56 Å. The H(10)-O(54) bond length is 1.01 Å. In the eleventh H site, H(11) is bonded in a distorted single-bond geometry to one O(40) and one O(55) atom. The H(11)-O(40) bond length is 1.58 Å. The H(11)-O(55) bond length is 1.00 Å. In the twelfth H site, H(12) is bonded in a distorted single-bond geometry to one O(39) and one O(56) atom. The H(12)-O(39) bond length is 1.58 Å. The H(12)-O(56) bond length is 1.00 Å. In the thirteenth H site, H(13) is bonded in a distorted single-bond geometry to one O(53) and one O(9) atom. The H(13)-O(53) bond length is 1.02 Å. The H(13)-O(9) bond length is 1.58 Å. In the fourteenth H site, H(14) is bonded in a distorted linear geometry to one O(10) and one O(54) atom. The H(14)-O(10) bond length is 1.58 Å. The H(14)-O(54) bond length is 1.02 Å. In the fifteenth H site, H(15) is bonded in a distorted single-bond geometry to one O(11) and one O(55) atom. The H(15)-O(11) bond length is 1.61 Å. The H(15)-O(55) bond length is 1.01 Å. In the sixteenth H site, H(16) is bonded in a distorted single-bond geometry to one O(12) and one O(56) atom. The H(16)-O(12) bond length is 1.61 Å. The H(16)-O(56) bond length is 1.01 Å. In the seventeenth H site, H(17) is bonded in a single-bond geometry to one O(18) and one O(57) atom. The H(17)-O(18) bond length is 1.70 Å. The H(17)-O(57) bond length is 1.00 Å. In the eighteenth H site, H(18) is bonded in a single-bond geometry to one O(17) and one O(58) atom. The H(18)-O(17) bond length is 1.70 Å. The H(18)-O(58) bond length is 1.00 Å. In the nineteenth H site, H(19) is bonded in a single-bond geometry to one O(20) and one O(59) atom. The H(19)-O(20) bond length is 1.69 Å. The H(19)-O(59) bond length is 1.00 Å. In the twentieth H site, H(20) is bonded in a single-bond geometry to one O(19) and one O(60) atom. The H(20)-O(19) bond length is 1.69 Å. The H(20)-O(60) bond length is 1.00 Å. In the twenty-first H site, H(21) is bonded in a single-bond geometry to one O(57) atom. The H(21)-O(57) bond length is 0.98 Å. In the twenty-second H site, H(22) is bonded in a single-bond geometry to one O(58) atom. The H(22)-O(58) bond length is 0.97 Å. In the twenty-third H site, H(23) is bonded in a single-bond geometry to one O(59) atom. The H(23)-O(59) bond length is 0.97 Å. In the twenty-fourth H site, H(24) is bonded in a single-bond geometry to one O(60) atom. The H(24)-O(60) bond length is 0.97 Å. In the twenty-fifth H site, H(25) is bonded in a distorted linear geometry to one O(42) and one O(61) atom. The H(25)-O(42) bond length is 1.56 Å. The H(25)-O(61) bond length is 1.04 Å. In the twenty-sixth H site, H(26) is bonded in a distorted linear geometry to one O(41) and one O(62) atom. The H(26)-O(41) bond length is 1.55 Å. The H(26)-O(62) bond length is 1.04 Å. In the twenty-seventh H site, H(27) is bonded in a distorted single-bond geometry to one O(63) atom. The H(27)-O(63) bond length is 1.01 Å. In the twenty-eighth H site, H(28) is bonded in a distorted single-bond geometry to one O(43) and one O(64) atom. The H(28)-O(43) bond length is 1.66 Å. The H(28)-O(64) bond length is 1.01 Å. In the twenty-ninth H site, H(29) is bonded in a single-bond geometry to one O(61) atom. The H(29)-O(61) bond length is 0.98 Å. In the thirtieth H site, H(30) is bonded in a single-bond geometry to one O(62) atom. The H(30)-O(62) bond length is 0.98 Å. In the thirty-first H site, H(31) is bonded in a single-bond geometry to one O(63) atom. The H(31)-O(63) bond length is 0.99 Å. In the thirty-second H site, H(32) is bonded in a single-bond geometry to one O(64) atom. The H(32)-O(64) bond length is 0.99 Å. In the thirty-third H site, H(33) is bonded in a single-bond geometry to one O(1) and one O(65) atom. The H(33)-O(1) bond length is 1.72 Å. The H(33)-O(65) bond length is 1.00 Å. In the thirty-fourth H site, H(34) is bonded in a single-bond geometry to one O(2) and one O(66) atom. The H(34)-O(2) bond length is 1.72 Å. The H(34)-O(66) bond length is 1.00 Å. In the thirty-fifth H site, H(35) is bonded in a single-bond geometry to one O(3) and one O(67) atom. The H(35)-O(3) bond length is 1.72 Å. The H(35)-O(67) bond length is 1.00 Å. In the thirty-sixth H site, H(36) is bonded in a single-bond geometry to one O(4) and one O(68) atom. The H(36)-O(4) bond length is 1.72 Å. The H(36)-O(68) bond length is 1.00 Å. In the thirty-seventh H site, H(37) is bonded in a single-bond geometry to one O(65) atom. The H(37)-O(65) bond length is 0.97 Å. In the thirty-eighth H site, H(38) is bonded in a single-bond geometry to one O(66) atom. The H(38)-O(66) bond length is 0.97 Å. In the thirty-ninth H site, H(39) is bonded in a single-bond geometry to one O(67) atom. The H(39)-O(67) bond length is 0.97 Å. In the fortieth H site, H(40) is bonded in a single-bond geometry to one O(68) atom. The H(40)-O(68) bond length is 0.97 Å. In the forty-first H site, H(41) is bonded in a single-bond geometry to one C(17) atom. In the forty-second H site, H(42) is bonded in a single-bond geometry to one C(18) atom. In the forty-third H site, H(43,44) is bonded in a single-bond geometry to one C(19,20) atom. In the forty-fourth H site, H(45,46) is bonded in a single-bond geometry to one C(21) atom. In the forty-fifth H site, H(47,48) is bonded in a single-bond geometry to one C(23) atom. In the forty-sixth H site, H(49) is bonded in a single-bond geometry to one C(25) atom. In the forty-seventh H site, H(50) is bonded in a single-bond geometry to one C(26) atom. In the forty-eighth H site, H(51) is bonded in a single-bond geometry to one C(27) atom. In the forty-ninth H site, H(52) is bonded in a single-bond geometry to one C(28) atom. In the fiftieth H site, H(53) is bonded in a single-bond geometry to one C(45) atom. In the fifty-first H site, H(54) is bonded in a single-bond geometry to one C(46) atom. In the fifty-second H site, H(55,56) is bonded in a single-bond geometry to one C(47,48) atom. In the fifty-third H site, H(57) is bonded in a single-bond geometry to one C(49) atom. In the fifty-fourth H site, H(58) is bonded in a single-bond geometry to one C(50) atom. In the fifty-fifth H site, H(59,60) is bonded in a single-bond geometry to one C(51) atom. In the fifty-sixth H site, H(61) is bonded in a single-bond geometry to one C(53) atom. In the fifty-seventh H site, H(62) is bonded in a single-bond geometry to one C(54) atom. In the fifty-eighth H site, H(63) is bonded in a single-bond geometry to one C(55) atom. In the fifty-ninth H site, H(64) is bonded in a single-bond geometry to one C(56) atom. In the sixtieth H site, H(65,66) is bonded in a single-bond geometry to one C(73) atom. In the sixty-first H site, H(67,68) is bonded in a single-bond geometry to one C(75) atom. In the sixty-second H site, H(69) is bonded in a single-bond geometry to one C(77,78) atom. In the sixty-third H site, H(70) is bonded in a single-bond geometry to one C(77,78) atom. The H(70)-C(77,78) bond length is 1.09 Å. In the sixty-fourth H site, H(71) is bonded in a single-bond geometry to one C(79) atom. In the sixty-fifth H site, H(72) is bonded in a single-bond geometry to one C(80) atom. In the sixty-sixth H site, H(73,74) is bonded in a single-bond geometry to one C(81) atom. In the sixty-seventh H site, H(75) is bonded in a single-bond geometry to one C(83) atom. In the sixty-eighth H site, H(76) is bonded in a single-bond geometry to one C(84) atom. There are sixty-eight inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Cu(2), one C(1), and one H(33) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Cu(1), one C(2), and one H(34) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Cu(4), one C(3), and one H(35) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Cu(3), one C(4), and one H(36) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Er(1) and one C(1) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Er(2) and one C(2) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Er(3) and one C(3) atom. In the eighth O site, O(8) is bonded in a distorted bent 150 degrees geometry to one Er(4) and one C(4) atom. In the ninth O site, O(9) is bonded in a distorted water-like geometry to one C(13) and one H(13) atom. In the tenth O site, O(10) is bonded in a distorted water-like geometry to one C(14) and one H(14) atom. In the eleventh O site, O(11) is bonded in a distorted water-like geometry to one C(15) and one H(15) atom. In the twelfth O site, O(12) is bonded in a distorted water-like geometry to one C(16) and one H(16) atom. In the thirteenth O site, O(13) is bonded in a distorted single-bond geometry to one Cu(1) and one C(13) atom. In the fourteenth O site, O(14) is bonded in a distorted single-bond geometry to one Cu(2) and one C(14) atom. In the fifteenth O site, O(15) is bonded in a distorted single-bond geometry to one Cu(3) and one C(15) atom. In the sixteenth O site, O(16) is bonded in a distorted single-bond geometry to one Cu(4) and one C(16) atom. In the seventeenth O site, O(17) is bonded in a 3-coordinate geometry to one Cu(1), one C(29), and one H(18) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one Cu(2), one C(30), and one H(17) atom. In the nineteenth O site, O(19) is bonded in a 3-coordinate geometry to one Cu(3), one C(31), and one H(20) atom. In the twentieth O site, O(20) is bonded in a 3-coordinate geometry to one Cu(4), one C(32), and one H(19) atom. In the twenty-first O site, O(21) is bonded in a distorted bent 120 degrees geometry to one C(29) and one H(5) atom. In the twenty-second O site, O(22) is bonded in a bent 120 degrees geometry to one C(30) and one H(6) atom. In the twenty-third O site, O(23) is bonded in a distorted bent 120 degrees geometry to one C(31) and one H(7) atom. In the twenty-fourth O site, O(24) is bonded in a distorted bent 120 degrees geometry to one C(32) and one H(8) atom. In the twenty-fifth O site, O(25) is bonded in a distorted linear geometry to one Er(1) and one C(41) atom. In the twenty-sixth O site, O(26) is bonded in a distorted linear geometry to one Er(2) and one C(42) atom. In the twenty-seventh O site, O(27) is bonded in a distorted linear geometry to one Er(3) and one C(43) atom. In the twenty-eighth O site, O(28) is bonded in a distorted linear geometry to one Er(4) and one C(44) atom. In the twenty-ninth O site, O(29) is bonded in a single-bond geometry to one C(41) atom. In the thirtieth O site, O(30) is bonded in a single-bond geometry to one C(42) atom. In the thirty-first O site, O(31) is bonded in a distorted single-bond geometry to one Cu(5) and one C(43) atom. In the thirty-second O site, O(32) is bonded in a distorted single-bond geometry to one Cu(6) and one C(44) atom. In the thirty-third O site, O(33) is bonded in a bent 120 degrees geometry to one Cu(5) and one C(57) atom. In the thirty-fourth O site, O(34) is bonded in a bent 120 degrees geometry to one Cu(6) and one C(58) atom. In the thirty-fifth O site, O(35) is bonded in a bent 120 degrees geometry to one Cu(5) and one C(59) atom. In the thirty-sixth O site, O(36) is bonded in a bent 120 degrees geometry to one Cu(6) and one C(60) atom. In the thirty-seventh O site, O(37) is bonded in a distorted bent 150 degrees geometry to one C(57) and one H(10) atom. In the thirty-eighth O site, O(38) is bonded in a distorted bent 150 degrees geometry to one C(58) and one H(9) atom. In the thirty-ninth O site, O(39) is bonded in a distorted bent 120 degrees geometry to one C(59) and one H(12) atom. In the fortieth O site, O(40) is bonded in a distorted bent 120 degrees geometry to one C(60) and one H(11) atom. In the forty-first O site, O(41) is bonded in a water-like geometry to one C(69) and one H(26) atom. In the forty-second O site, O(42) is bonded in a water-like geometry to one C(70) and one H(25) atom. In the forty-third O site, O(43) is bonded in a distorted water-like geometry to one C(71) and one H(28) atom. In the forty-fourth O site, O(44) is bonded in a distorted single-bond geometry to one Cu(2) and one C(72) atom. In the forty-fifth O site, O(45) is bonded in a distorted bent 150 degrees geometry to one Er(2) and one C(69) atom. In the forty-sixth O site, O(46) is bonded in a distorted bent 150 degrees geometry to one Er(1) and one C(70) atom. In the forty-seventh O site, O(47) is bonded in a distorted bent 150 degrees geometry to one Er(4) and one C(71) atom. In the forty-eighth O site, O(48) is bonded in a distorted bent 150 degrees geometry to one Er(3) and one C(72) atom. In the forty-ninth O site, O(49) is bonded in a water-like geometry to one Er(1), one H(1), and one H(5) atom. In the fiftieth O site, O(50) is bonded in a water-like geometry to one Er(2), one H(2), and one H(6) atom. In the fifty-first O site, O(51) is bonded in a water-like geometry to one Er(3), one H(3), and one H(7) atom. In the fifty-second O site, O(52) is bonded in a water-like geometry to one Er(4), one H(4), and one H(8) atom. In the fifty-third O site, O(53) is bonded in a distorted water-like geometry to one Er(1), one H(13), and one H(9) atom. In the fifty-fourth O site, O(54) is bonded in a distorted water-like geometry to one Er(2), one H(10), and one H(14) atom. In the fifty-fifth O site, O(55) is bonded in a distorted water-like geometry to one Er(3), one H(11), and one H(15) atom. In the fifty-sixth O site, O(56) is bonded in a distorted water-like geometry to one Er(4), one H(12), and one H(16) atom. In the fifty-seventh O site, O(57) is bonded in a distorted water-like geometry to one Er(1), one H(17), and one H(21) atom. In the fifty-eighth O site, O(58) is bonded in a distorted water-like geometry to one Er(2), one H(18), and one H(22) atom. In the fifty-ninth O site, O(59) is bonded in a distorted water-like geometry to one Er(3), one H(19), and one H(23) atom. In the sixtieth O site, O(60) is bonded in a distorted water-like geometry to one Er(4), one H(20), and one H(24) atom. In the sixty-first O site, O(61) is bonded in a distorted water-like geometry to one Er(1), one H(25), and one H(29) atom. In the sixty-second O site, O(62) is bonded in a distorted water-like geometry to one Er(2), one H(26), and one H(30) atom. In the sixty-third O site, O(63) is bonded in a distorted water-like geometry to one Er(3), one H(27), and one H(31) atom. In the sixty-fourth O site, O(64) is bonded in a distorted water-like geometry to one Er(4), one H(28), and one H(32) atom. In the sixty-fifth O site, O(65) is bonded in a distorted water-like geometry to one Er(1), one H(33), and one H(37) atom. In the sixty-sixth O site, O(66) is bonded in a distorted water-like geometry to one Er(2), one H(34), and one H(38) atom. In the sixty-seventh O site, O(67) is bonded in a water-like geometry to one Er(3), one H(35), and one H(39) atom. In the sixty-eighth O site, O(68) is bonded in a water-like geometry to one Er(4), one H(36), and one H(40) atom. Linkers: 10 [O]C(=O)c1cccnc1C([O])=O. Metal clusters: 4 [Er] ,6 [Cu]. The MOF has largest included sphere 4.09 A, density 2.00 g/cm3, surface area 3052.70 m2/g, accessible volume 0.15 cm3/g