Pr3C63N3H50O22 crystallizes in the triclinic P-1 space group. There are three inequivalent Pr sites. In the first Pr site, Pr(1) is bonded in a 8-coordinate geometry to one O(1), one O(12), one O(22), one O(3), one O(5), one O(6), one O(7), and one O(9) atom. The Pr(1)-O(1) bond length is 2.45 Å. The Pr(1)-O(12) bond length is 2.45 Å. The Pr(1)-O(22) bond length is 2.63 Å. The Pr(1)-O(3) bond length is 2.50 Å. The Pr(1)-O(5) bond length is 2.51 Å. The Pr(1)-O(6) bond length is 2.46 Å. The Pr(1)-O(7) bond length is 2.42 Å. The Pr(1)-O(9) bond length is 2.49 Å. In the second Pr site, Pr(2) is bonded in a 8-coordinate geometry to one O(11), one O(14), one O(17), one O(19), one O(2), one O(20), one O(4), and one O(6) atom. The Pr(2)-O(11) bond length is 2.57 Å. The Pr(2)-O(14) bond length is 2.45 Å. The Pr(2)-O(17) bond length is 2.39 Å. The Pr(2)-O(19) bond length is 2.56 Å. The Pr(2)-O(2) bond length is 2.43 Å. The Pr(2)-O(20) bond length is 2.50 Å. The Pr(2)-O(4) bond length is 2.34 Å. The Pr(2)-O(6) bond length is 2.70 Å. In the third Pr site, Pr(3) is bonded in a 7-coordinate geometry to one O(10), one O(13), one O(15), one O(16), one O(18), one O(21), and one O(8) atom. The Pr(3)-O(10) bond length is 2.39 Å. The Pr(3)-O(13) bond length is 2.49 Å. The Pr(3)-O(15) bond length is 2.43 Å. The Pr(3)-O(16) bond length is 2.42 Å. The Pr(3)-O(18) bond length is 2.39 Å. The Pr(3)-O(21) bond length is 2.54 Å. The Pr(3)-O(8) bond length is 2.42 Å. There are sixty-one inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(1), and one O(2) atom. The C(1)-C(2) bond length is 1.50 Å. The C(1)-O(1) bond length is 1.27 Å. The C(1)-O(2) bond length is 1.27 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(11), and one C(3) atom. The C(2)-C(11) bond length is 1.39 Å. The C(2)-C(3) bond length is 1.42 Å. In the third C site, C(3) is bonded in a single-bond geometry to one C(2) and one H(1) atom. The C(3)-H(1) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(5) and one H(2) atom. The C(4)-C(5) bond length is 1.42 Å. The C(4)-H(2) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(10), one C(4), and one C(6) atom. The C(5)-C(10) bond length is 1.44 Å. The C(5)-C(6) bond length is 1.42 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(5), one C(7), and one H(3) atom. The C(6)-C(7) bond length is 1.39 Å. The C(6)-H(3) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one C(54), one C(6), and one C(8) atom. The C(7)-C(54) bond length is 1.50 Å. The C(7)-C(8) bond length is 1.42 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(7), one C(9), and one H(4) atom. The C(8)-C(9) bond length is 1.38 Å. The C(8)-H(4) bond length is 1.09 Å. In the ninth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(10), one C(8), and one H(5) atom. The C(9)-C(10) bond length is 1.42 Å. The C(9)-H(5) bond length is 1.09 Å. In the tenth C site, C(10) is bonded in a trigonal planar geometry to one C(11), one C(5), and one C(9) atom. The C(10)-C(11) bond length is 1.42 Å. In the eleventh C site, C(11) is bonded in a distorted single-bond geometry to one C(10), one C(2), and one H(6) atom. The C(11)-H(6) bond length is 1.09 Å. In the twelfth C site, C(12) is bonded in a bent 120 degrees geometry to one C(13), one O(3), and one O(4) atom. The C(12)-C(13) bond length is 1.50 Å. The C(12)-O(3) bond length is 1.27 Å. The C(12)-O(4) bond length is 1.28 Å. In the thirteenth C site, C(13) is bonded in a trigonal planar geometry to one C(12), one C(14), and one C(17) atom. The C(13)-C(14) bond length is 1.39 Å. The C(13)-C(17) bond length is 1.42 Å. In the fourteenth C site, C(14) is bonded in a distorted single-bond geometry to one C(13), one C(15), and one H(7) atom. The C(14)-C(15) bond length is 1.41 Å. The C(14)-H(7) bond length is 1.09 Å. In the fifteenth C site, C(15) is bonded in a trigonal planar geometry to one C(14), one C(15), and one C(16) atom. The C(15)-C(15) bond length is 1.44 Å. The C(15)-C(16) bond length is 1.42 Å. In the sixteenth C site, C(16) is bonded in a distorted single-bond geometry to one C(15) and one H(8) atom. The C(16)-H(8) bond length is 1.09 Å. In the seventeenth C site, C(17) is bonded in a distorted single-bond geometry to one C(13) and one H(9) atom. The C(17)-H(9) bond length is 1.09 Å. In the eighteenth C site, C(18) is bonded in a distorted bent 120 degrees geometry to one C(19), one O(15), and one O(5) atom. The C(18)-C(19) bond length is 1.50 Å. The C(18)-O(15) bond length is 1.28 Å. The C(18)-O(5) bond length is 1.27 Å. In the nineteenth C site, C(19) is bonded in a trigonal planar geometry to one C(18), one C(20), and one C(28) atom. The C(19)-C(20) bond length is 1.38 Å. The C(19)-C(28) bond length is 1.42 Å. In the twentieth C site, C(20) is bonded in a distorted single-bond geometry to one C(19), one C(21), and one H(10) atom. The C(20)-C(21) bond length is 1.41 Å. The C(20)-H(10) bond length is 1.09 Å. In the twenty-first C site, C(21) is bonded in a trigonal planar geometry to one C(20), one C(22), and one C(26) atom. The C(21)-C(22) bond length is 1.42 Å. The C(21)-C(26) bond length is 1.44 Å. In the twenty-second C site, C(22) is bonded in a distorted single-bond geometry to one C(21) and one H(11) atom. The C(22)-H(11) bond length is 1.09 Å. In the twenty-third C site, C(23) is bonded in a distorted single-bond geometry to one C(24) and one H(14) atom. The C(23)-C(24) bond length is 1.42 Å. The C(23)-H(14) bond length is 1.09 Å. In the twenty-fourth C site, C(24) is bonded in a trigonal planar geometry to one C(23), one C(25), and one C(35) atom. The C(24)-C(25) bond length is 1.38 Å. The C(24)-C(35) bond length is 1.50 Å. In the twenty-fifth C site, C(25) is bonded in a single-bond geometry to one C(24), one C(26), and one H(15) atom. The C(25)-C(26) bond length is 1.41 Å. The C(25)-H(15) bond length is 1.09 Å. In the twenty-sixth C site, C(26) is bonded in a trigonal planar geometry to one C(21), one C(25), and one C(27) atom. The C(26)-C(27) bond length is 1.42 Å. In the twenty-seventh C site, C(27) is bonded in a distorted single-bond geometry to one C(26) and one H(16) atom. The C(27)-H(16) bond length is 1.09 Å. In the twenty-eighth C site, C(28) is bonded in a distorted single-bond geometry to one C(19) and one H(17) atom. The C(28)-H(17) bond length is 1.09 Å. In the twenty-ninth C site, C(29) is bonded in a distorted bent 120 degrees geometry to one C(30), one O(11), and one O(6) atom. The C(29)-C(30) bond length is 1.49 Å. The C(29)-O(11) bond length is 1.27 Å. The C(29)-O(6) bond length is 1.29 Å. In the thirtieth C site, C(30) is bonded in a trigonal planar geometry to one C(29), one C(31), and one C(34) atom. The C(30)-C(31) bond length is 1.42 Å. The C(30)-C(34) bond length is 1.38 Å. In the thirty-first C site, C(31) is bonded in a distorted single-bond geometry to one C(30) and one H(18) atom. The C(31)-H(18) bond length is 1.09 Å. In the thirty-second C site, C(32) is bonded in a distorted single-bond geometry to one C(33) and one H(19) atom. The C(32)-C(33) bond length is 1.42 Å. The C(32)-H(19) bond length is 1.09 Å. In the thirty-third C site, C(33) is bonded in a trigonal planar geometry to one C(32), one C(33), and one C(34) atom. The C(33)-C(33) bond length is 1.44 Å. The C(33)-C(34) bond length is 1.41 Å. In the thirty-fourth C site, C(34) is bonded in a distorted single-bond geometry to one C(30), one C(33), and one H(20) atom. The C(34)-H(20) bond length is 1.09 Å. In the thirty-fifth C site, C(35) is bonded in a distorted bent 120 degrees geometry to one C(24), one O(7), and one O(8) atom. The C(35)-O(7) bond length is 1.27 Å. The C(35)-O(8) bond length is 1.28 Å. In the thirty-sixth C site, C(36) is bonded in a bent 120 degrees geometry to one C(37), one O(10), and one O(9) atom. The C(36)-C(37) bond length is 1.49 Å. The C(36)-O(10) bond length is 1.27 Å. The C(36)-O(9) bond length is 1.27 Å. In the thirty-seventh C site, C(37) is bonded in a trigonal planar geometry to one C(36), one C(38), and one C(41) atom. The C(37)-C(38) bond length is 1.38 Å. The C(37)-C(41) bond length is 1.42 Å. In the thirty-eighth C site, C(38) is bonded in a distorted single-bond geometry to one C(37), one C(39), and one H(21) atom. The C(38)-C(39) bond length is 1.41 Å. The C(38)-H(21) bond length is 1.09 Å. In the thirty-ninth C site, C(39) is bonded in a trigonal planar geometry to one C(38), one C(39), and one C(40) atom. The C(39)-C(39) bond length is 1.44 Å. The C(39)-C(40) bond length is 1.42 Å. In the fortieth C site, C(40) is bonded in a distorted single-bond geometry to one C(39) and one H(22) atom. The C(40)-H(22) bond length is 1.09 Å. In the forty-first C site, C(41) is bonded in a distorted single-bond geometry to one C(37) and one H(23) atom. The C(41)-H(23) bond length is 1.09 Å. In the forty-second C site, C(42) is bonded in a distorted bent 120 degrees geometry to one C(43), one O(12), and one O(13) atom. The C(42)-C(43) bond length is 1.50 Å. The C(42)-O(12) bond length is 1.28 Å. The C(42)-O(13) bond length is 1.28 Å. In the forty-third C site, C(43) is bonded in a trigonal planar geometry to one C(42), one C(44), and one C(47) atom. The C(43)-C(44) bond length is 1.39 Å. The C(43)-C(47) bond length is 1.42 Å. In the forty-fourth C site, C(44) is bonded in a distorted single-bond geometry to one C(43), one C(45), and one H(24) atom. The C(44)-C(45) bond length is 1.42 Å. The C(44)-H(24) bond length is 1.09 Å. In the forty-fifth C site, C(45) is bonded in a trigonal planar geometry to one C(44), one C(45), and one C(46) atom. The C(45)-C(45) bond length is 1.44 Å. The C(45)-C(46) bond length is 1.42 Å. In the forty-sixth C site, C(46) is bonded in a distorted single-bond geometry to one C(45) and one H(25) atom. The C(46)-H(25) bond length is 1.09 Å. In the forty-seventh C site, C(47) is bonded in a distorted single-bond geometry to one C(43) and one H(26) atom. The C(47)-H(26) bond length is 1.09 Å. In the forty-eighth C site, C(48) is bonded in a distorted bent 120 degrees geometry to one C(49), one O(14), and one O(16) atom. The C(48)-C(49) bond length is 1.50 Å. The C(48)-O(14) bond length is 1.27 Å. The C(48)-O(16) bond length is 1.27 Å. In the forty-ninth C site, C(49) is bonded in a trigonal planar geometry to one C(48), one C(50), and one C(53) atom. The C(49)-C(50) bond length is 1.42 Å. The C(49)-C(53) bond length is 1.38 Å. In the fiftieth C site, C(50) is bonded in a distorted single-bond geometry to one C(49) and one H(27) atom. The C(50)-H(27) bond length is 1.09 Å. In the fifty-first C site, C(51) is bonded in a distorted single-bond geometry to one C(52) and one H(28) atom. The C(51)-C(52) bond length is 1.42 Å. The C(51)-H(28) bond length is 1.09 Å. In the fifty-second C site, C(52) is bonded in a trigonal planar geometry to one C(51), one C(52), and one C(53) atom. The C(52)-C(52) bond length is 1.44 Å. The C(52)-C(53) bond length is 1.42 Å. In the fifty-third C site, C(53) is bonded in a distorted single-bond geometry to one C(49), one C(52), and one H(29) atom. The C(53)-H(29) bond length is 1.09 Å. In the fifty-fourth C site, C(54) is bonded in a distorted bent 120 degrees geometry to one C(7), one O(17), and one O(18) atom. The C(54)-O(17) bond length is 1.27 Å. The C(54)-O(18) bond length is 1.27 Å. In the fifty-fifth C site, C(55) is bonded in a trigonal planar geometry to one N(1), one H(30), and one O(19) atom. The C(55)-N(1) bond length is 1.34 Å. The C(55)-H(30) bond length is 1.10 Å. The C(55)-O(19) bond length is 1.26 Å. In the fifty-sixth C site, C(56,57) is bonded to one N(1), one H(31), one H(32), and one H(33) atom to form corner-sharing CH3N tetrahedra. The C(56,57)-N(1) bond length is 1.46 Å. The C(56,57)-H(31) bond length is 1.10 Å. The C(56,57)-H(32) bond length is 1.10 Å. The C(56,57)-H(33) bond length is 1.10 Å. In the fifty-seventh C site, C(58) is bonded in a trigonal planar geometry to one N(2), one H(37), and one O(20) atom. The C(58)-N(2) bond length is 1.34 Å. The C(58)-H(37) bond length is 1.10 Å. The C(58)-O(20) bond length is 1.25 Å. In the fifty-eighth C site, C(59,60) is bonded to one N(2), one H(38), one H(39), and one H(40) atom to form corner-sharing CH3N tetrahedra. The C(59,60)-N(2) bond length is 1.45 Å. The C(59,60)-H(38) bond length is 1.10 Å. The C(59,60)-H(39) bond length is 1.10 Å. The C(59,60)-H(40) bond length is 1.10 Å. In the fifty-ninth C site, C(61) is bonded in a trigonal planar geometry to one N(3), one H(44), and one O(21) atom. The C(61)-N(3) bond length is 1.33 Å. The C(61)-H(44) bond length is 1.10 Å. The C(61)-O(21) bond length is 1.26 Å. In the sixtieth C site, C(62) is bonded to one N(3), one H(45), one H(46), and one H(47) atom to form corner-sharing CH3N tetrahedra. The C(62)-N(3) bond length is 1.45 Å. The C(62)-H(45) bond length is 1.09 Å. The C(62)-H(46) bond length is 1.10 Å. The C(62)-H(47) bond length is 1.10 Å. In the sixty-first C site, C(63) is bonded to one N(3), one H(48), one H(49), and one H(50) atom to form corner-sharing CH3N tetrahedra. The C(63)-N(3) bond length is 1.45 Å. The C(63)-H(48) bond length is 1.10 Å. The C(63)-H(49) bond length is 1.10 Å. The C(63)-H(50) bond length is 1.10 Å. There are three inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one C(55) and two equivalent C(56,57) atoms. In the second N site, N(2) is bonded in a trigonal planar geometry to one C(58) and two equivalent C(59,60) atoms. In the third N site, N(3) is bonded in a trigonal planar geometry to one C(61), one C(62), and one C(63) atom. There are fifty inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(3) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(6) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(8) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(9) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(11) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(14) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(16) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(17) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(20) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(22) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one O(22) atom. The H(12)-O(22) bond length is 0.98 Å. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one O(22) atom. The H(13)-O(22) bond length is 0.98 Å. In the fourteenth H site, H(14) is bonded in a single-bond geometry to one C(23) atom. In the fifteenth H site, H(15) is bonded in a single-bond geometry to one C(25) atom. In the sixteenth H site, H(16) is bonded in a single-bond geometry to one C(27) atom. In the seventeenth H site, H(17) is bonded in a single-bond geometry to one C(28) atom. In the eighteenth H site, H(18) is bonded in a single-bond geometry to one C(31) atom. In the nineteenth H site, H(19) is bonded in a single-bond geometry to one C(32) atom. In the twentieth H site, H(20) is bonded in a single-bond geometry to one C(34) atom. In the twenty-first H site, H(21) is bonded in a single-bond geometry to one C(38) atom. In the twenty-second H site, H(22) is bonded in a single-bond geometry to one C(40) atom. In the twenty-third H site, H(23) is bonded in a single-bond geometry to one C(41) atom. In the twenty-fourth H site, H(24) is bonded in a single-bond geometry to one C(44) atom. In the twenty-fifth H site, H(25) is bonded in a single-bond geometry to one C(46) atom. In the twenty-sixth H site, H(26) is bonded in a single-bond geometry to one C(47) atom. In the twenty-seventh H site, H(27) is bonded in a single-bond geometry to one C(50) atom. In the twenty-eighth H site, H(28) is bonded in a single-bond geometry to one C(51) atom. In the twenty-ninth H site, H(29) is bonded in a single-bond geometry to one C(53) atom. In the thirtieth H site, H(30) is bonded in a single-bond geometry to one C(55) atom. In the thirty-first H site, H(31) is bonded in a single-bond geometry to one C(56,57) atom. In the thirty-second H site, H(32) is bonded in a single-bond geometry to one C(56,57) atom. In the thirty-third H site, H(33) is bonded in a single-bond geometry to one C(56,57) atom. In the thirty-fourth H site, H(34) is bonded in a single-bond geometry to one C(56,57) atom. The H(34)-C(56,57) bond length is 1.10 Å. In the thirty-fifth H site, H(35) is bonded in a single-bond geometry to one C(56,57) atom. The H(35)-C(56,57) bond length is 1.10 Å. In the thirty-sixth H site, H(36) is bonded in a single-bond geometry to one C(56,57) atom. The H(36)-C(56,57) bond length is 1.09 Å. In the thirty-seventh H site, H(37) is bonded in a single-bond geometry to one C(58) atom. In the thirty-eighth H site, H(38) is bonded in a single-bond geometry to one C(59,60) atom. In the thirty-ninth H site, H(39) is bonded in a single-bond geometry to one C(59,60) atom. In the fortieth H site, H(40) is bonded in a single-bond geometry to one C(59,60) atom. In the forty-first H site, H(41) is bonded in a single-bond geometry to one C(59,60) atom. The H(41)-C(59,60) bond length is 1.09 Å. In the forty-second H site, H(42) is bonded in a single-bond geometry to one C(59,60) atom. The H(42)-C(59,60) bond length is 1.10 Å. In the forty-third H site, H(43) is bonded in a single-bond geometry to one C(59,60) atom. The H(43)-C(59,60) bond length is 1.10 Å. In the forty-fourth H site, H(44) is bonded in a single-bond geometry to one C(61) atom. In the forty-fifth H site, H(45) is bonded in a single-bond geometry to one C(62) atom. In the forty-sixth H site, H(46) is bonded in a single-bond geometry to one C(62) atom. In the forty-seventh H site, H(47) is bonded in a single-bond geometry to one C(62) atom. In the forty-eighth H site, H(48) is bonded in a single-bond geometry to one C(63) atom. In the forty-ninth H site, H(49) is bonded in a single-bond geometry to one C(63) atom. In the fiftieth H site, H(50) is bonded in a single-bond geometry to one C(63) atom. There are twenty-two inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Pr(1) and one C(1) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Pr(2) and one C(1) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Pr(1) and one C(12) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Pr(2) and one C(12) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Pr(1) and one C(18) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Pr(1), one Pr(2), and one C(29) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Pr(1) and one C(35) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Pr(3) and one C(35) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Pr(1) and one C(36) atom. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one Pr(3) and one C(36) atom. In the eleventh O site, O(11) is bonded in a distorted single-bond geometry to one Pr(2) and one C(29) atom. In the twelfth O site, O(12) is bonded in a distorted single-bond geometry to one Pr(1) and one C(42) atom. In the thirteenth O site, O(13) is bonded in a distorted water-like geometry to one Pr(3) and one C(42) atom. In the fourteenth O site, O(14) is bonded in a distorted single-bond geometry to one Pr(2) and one C(48) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 150 degrees geometry to one Pr(3) and one C(18) atom. In the sixteenth O site, O(16) is bonded in a distorted bent 150 degrees geometry to one Pr(3) and one C(48) atom. In the seventeenth O site, O(17) is bonded in a distorted bent 150 degrees geometry to one Pr(2) and one C(54) atom. In the eighteenth O site, O(18) is bonded in a distorted bent 150 degrees geometry to one Pr(3) and one C(54) atom. In the nineteenth O site, O(19) is bonded in a distorted single-bond geometry to one Pr(2) and one C(55) atom. In the twentieth O site, O(20) is bonded in a distorted bent 120 degrees geometry to one Pr(2) and one C(58) atom. In the twenty-first O site, O(21) is bonded in a distorted single-bond geometry to one Pr(3) and one C(61) atom. In the twenty-second O site, O(22) is bonded in a distorted water-like geometry to one Pr(1), one H(12), and one H(13) atom. Linkers: 9 [O]C(=O)c1ccc2cc(C([O])=O)ccc2c1. Metal clusters: 6 [Pr]. The MOF has largest included sphere 6.99 A, density 1.38 g/cm3, surface area 4108.62 m2/g, accessible volume 0.27 cm3/g