Cu2C50H37(NO)8 crystallizes in the monoclinic P2 space group. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a rectangular see-saw-like geometry to one N(4); one N(6); and two equivalent N(1,7) atoms. The Cu(1)-N(4) bond length is 2.03 Å. The Cu(1)-N(6) bond length is 2.03 Å. Both Cu(1)-N(1,7) bond lengths are 2.01 Å. In the second Cu site, Cu(2) is bonded in a rectangular see-saw-like geometry to one N(2), one N(3), one N(5), and one N(8) atom. The Cu(2)-N(2) bond length is 2.03 Å. The Cu(2)-N(3) bond length is 2.01 Å. The Cu(2)-N(5) bond length is 2.01 Å. The Cu(2)-N(8) bond length is 2.03 Å. There are thirty-six inequivalent C sites. In the first C site, C(27) is bonded in a bent 120 degrees geometry to one C(26) and one C(28) atom. The C(27)-C(26) bond length is 1.41 Å. The C(27)-C(28) bond length is 1.44 Å. In the second C site, C(28) is bonded in a distorted single-bond geometry to one C(27) and one O(5) atom. The C(28)-O(5) bond length is 1.33 Å. In the third C site, C(32,44) is bonded in a distorted trigonal planar geometry to one C(31); one C(33,45); and one H(24,34) atom. The C(32,44)-C(31) bond length is 1.37 Å. The C(32,44)-C(33,45) bond length is 1.41 Å. The C(32,44)-H(24,34) bond length is 1.14 Å. In the fourth C site, C(29) is bonded in a distorted bent 120 degrees geometry to one N(5) and one H(21) atom. The C(29)-N(5) bond length is 1.34 Å. The C(29)-H(21) bond length is 1.14 Å. In the fifth C site, C(34,46) is bonded in a distorted single-bond geometry to one C(33,45); one C(35); and one O(6,8) atom. The C(34,46)-C(33,45) bond length is 1.31 Å. The C(34,46)-C(35) bond length is 1.44 Å. The C(34,46)-O(6,8) bond length is 1.37 Å. In the sixth C site, C(35) is bonded in a distorted bent 120 degrees geometry to one C(34,46); one N(6); and one H(26,36) atom. The C(35)-N(6) bond length is 1.28 Å. The C(35)-H(26,36) bond length is 1.14 Å. In the seventh C site, C(31) is bonded in a distorted bent 120 degrees geometry to one C(32,44); one N(6); and one H(23,33) atom. The C(31)-N(6) bond length is 1.37 Å. The C(31)-H(23,33) bond length is 1.14 Å. In the eighth C site, C(43) is bonded in a distorted bent 120 degrees geometry to one C(32,44); one N(8); and one H(23,33) atom. The C(43)-C(32,44) bond length is 1.37 Å. The C(43)-N(8) bond length is 1.37 Å. The C(43)-H(23,33) bond length is 1.14 Å. In the ninth C site, C(47) is bonded in a distorted bent 120 degrees geometry to one C(34,46); one N(8); and one H(26,36) atom. The C(47)-C(34,46) bond length is 1.44 Å. The C(47)-N(8) bond length is 1.28 Å. The C(47)-H(26,36) bond length is 1.14 Å. In the tenth C site, C(33,45) is bonded in a distorted trigonal planar geometry to one C(32,44); one C(34,46); and one H(25,35) atom. The C(33,45)-H(25,35) bond length is 1.14 Å. In the eleventh C site, C(49,50) is bonded in a tetrahedral geometry to one C(12); one C(24,36,48); and two equivalent C(6,18,30,42) atoms. The C(49,50)-C(12) bond length is 1.50 Å. The C(49,50)-C(24,36,48) bond length is 1.50 Å. Both C(49,50)-C(6,18,30,42) bond lengths are 1.55 Å. In the twelfth C site, C(1,37) is bonded in a distorted bent 120 degrees geometry to one C(2,38); one N(1,7); and one H(1,28) atom. The C(1,37)-C(2,38) bond length is 1.38 Å. The C(1,37)-N(1,7) bond length is 1.32 Å. The C(1,37)-H(1,28) bond length is 1.14 Å. In the thirteenth C site, C(2,38) is bonded in a distorted trigonal planar geometry to one C(1,37); one C(3,39); and one H(2,29) atom. The C(2,38)-C(3,39) bond length is 1.41 Å. The C(2,38)-H(2,29) bond length is 1.14 Å. In the fourteenth C site, C(3,39) is bonded in a distorted trigonal planar geometry to one C(2,38); one C(4,40); and one H(3,30) atom. The C(3,39)-C(4,40) bond length is 1.44 Å. The C(3,39)-H(3,30) bond length is 1.14 Å. In the fifteenth C site, C(4,40) is bonded in a distorted single-bond geometry to one C(3,39) and one O(1,7) atom. The C(4,40)-O(1,7) bond length is 1.33 Å. In the sixteenth C site, C(5,41) is bonded in a distorted bent 120 degrees geometry to one N(1,7) and one H(4,14,31) atom. The C(5,41)-N(1,7) bond length is 1.34 Å. The C(5,41)-H(4,14,31) bond length is 1.14 Å. In the seventeenth C site, C(6,18,30,42) is bonded in a 3-coordinate geometry to one C(49,50); one H(5,15,22,32); and one O(1,7) atom. The C(6,18,30,42)-H(5,15,22,32) bond length is 1.14 Å. The C(6,18,30,42)-O(1,7) bond length is 1.37 Å. In the eighteenth C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(8), one N(2), and one H(6) atom. The C(7)-C(8) bond length is 1.37 Å. The C(7)-N(2) bond length is 1.37 Å. The C(7)-H(6) bond length is 1.14 Å. In the nineteenth C site, C(8) is bonded in a distorted trigonal planar geometry to one C(7), one C(9), and one H(7) atom. The C(8)-C(9) bond length is 1.41 Å. The C(8)-H(7) bond length is 1.14 Å. In the twentieth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(10), one C(8), and one H(8) atom. The C(9)-C(10) bond length is 1.31 Å. The C(9)-H(8) bond length is 1.14 Å. In the twenty-first C site, C(10) is bonded in a distorted single-bond geometry to one C(9) and one O(2) atom. The C(10)-O(2) bond length is 1.37 Å. In the twenty-second C site, C(11) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(9) atom. The C(11)-N(2) bond length is 1.28 Å. The C(11)-H(9) bond length is 1.14 Å. In the twenty-third C site, C(12) is bonded in a distorted trigonal planar geometry to one C(49,50); one H(10,20,27,37); and one O(2) atom. The C(12)-H(10,20,27,37) bond length is 1.14 Å. The C(12)-O(2) bond length is 1.48 Å. In the twenty-fourth C site, C(13) is bonded in a distorted bent 120 degrees geometry to one C(14), one N(3), and one H(11) atom. The C(13)-C(14) bond length is 1.38 Å. The C(13)-N(3) bond length is 1.32 Å. The C(13)-H(11) bond length is 1.14 Å. In the twenty-fifth C site, C(14) is bonded in a distorted trigonal planar geometry to one C(13), one C(15), and one H(12) atom. The C(14)-C(15) bond length is 1.41 Å. The C(14)-H(12) bond length is 1.14 Å. In the twenty-sixth C site, C(15) is bonded in a distorted trigonal planar geometry to one C(14), one C(16), and one H(13) atom. The C(15)-C(16) bond length is 1.44 Å. The C(15)-H(13) bond length is 1.14 Å. In the twenty-seventh C site, C(16) is bonded in a distorted single-bond geometry to one C(15) and one O(3) atom. The C(16)-O(3) bond length is 1.33 Å. In the twenty-eighth C site, C(17) is bonded in a distorted bent 120 degrees geometry to one N(3) and one H(4,14,31) atom. The C(17)-N(3) bond length is 1.34 Å. The C(17)-H(4,14,31) bond length is 1.14 Å. In the twenty-ninth C site, C(19) is bonded in a distorted bent 120 degrees geometry to one C(20), one N(4), and one H(16) atom. The C(19)-C(20) bond length is 1.37 Å. The C(19)-N(4) bond length is 1.37 Å. The C(19)-H(16) bond length is 1.14 Å. In the thirtieth C site, C(20) is bonded in a distorted trigonal planar geometry to one C(19), one C(21), and one H(17) atom. The C(20)-C(21) bond length is 1.41 Å. The C(20)-H(17) bond length is 1.14 Å. In the thirty-first C site, C(21) is bonded in a distorted trigonal planar geometry to one C(20), one C(22), and one H(18) atom. The C(21)-C(22) bond length is 1.31 Å. The C(21)-H(18) bond length is 1.14 Å. In the thirty-second C site, C(22) is bonded in a distorted single-bond geometry to one C(21) and one O(4) atom. The C(22)-O(4) bond length is 1.37 Å. In the thirty-third C site, C(23) is bonded in a distorted bent 120 degrees geometry to one N(4) and one H(19) atom. The C(23)-N(4) bond length is 1.28 Å. The C(23)-H(19) bond length is 1.14 Å. In the thirty-fourth C site, C(24,36,48) is bonded in a distorted trigonal planar geometry to one C(49,50); one H(10,20,27,37); and one O(4) atom. The C(24,36,48)-H(10,20,27,37) bond length is 1.14 Å. The C(24,36,48)-O(4) bond length is 1.48 Å. In the thirty-fifth C site, C(25) is bonded in a distorted single-bond geometry to one C(26) and one N(5) atom. The C(25)-C(26) bond length is 1.38 Å. The C(25)-N(5) bond length is 1.32 Å. In the thirty-sixth C site, C(26) is bonded in a bent 120 degrees geometry to one C(25) and one C(27) atom. There are seven inequivalent N sites. In the first N site, N(1,7) is bonded in a trigonal planar geometry to one Cu(1); one C(1,37); and one C(5,41) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Cu(2), one C(11), and one C(7) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one Cu(2), one C(13), and one C(17) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one Cu(1), one C(19), and one C(23) atom. In the fifth N site, N(5) is bonded in a trigonal planar geometry to one Cu(2), one C(25), and one C(29) atom. In the sixth N site, N(6) is bonded in a trigonal planar geometry to one Cu(1), one C(31), and one C(35) atom. In the seventh N site, N(8) is bonded in a trigonal planar geometry to one Cu(2), one C(43), and one C(47) atom. There are twenty-two inequivalent H sites. In the first H site, H(1,28) is bonded in a single-bond geometry to one C(1,37) atom. In the second H site, H(2,29) is bonded in a single-bond geometry to one C(2,38) atom. In the third H site, H(3,30) is bonded in a single-bond geometry to one C(3,39) atom. In the fourth H site, H(4,14,31) is bonded in a single-bond geometry to one C(5,41) atom. In the fifth H site, H(5,15,22,32) is bonded in a single-bond geometry to one C(6,18,30,42) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(7) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(8) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(9) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(11) atom. In the tenth H site, H(10,20,27,37) is bonded in a single-bond geometry to one C(12) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(13) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(14) atom. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one C(15) atom. In the fourteenth H site, H(16) is bonded in a single-bond geometry to one C(19) atom. In the fifteenth H site, H(17) is bonded in a single-bond geometry to one C(20) atom. In the sixteenth H site, H(18) is bonded in a single-bond geometry to one C(21) atom. In the seventeenth H site, H(19) is bonded in a single-bond geometry to one C(23) atom. In the eighteenth H site, H(21) is bonded in a single-bond geometry to one C(29) atom. In the nineteenth H site, H(23,33) is bonded in a single-bond geometry to one C(31) atom. In the twentieth H site, H(24,34) is bonded in a single-bond geometry to one C(32,44) atom. In the twenty-first H site, H(25,35) is bonded in a single-bond geometry to one C(33,45) atom. In the twenty-second H site, H(26,36) is bonded in a single-bond geometry to one C(35) atom. There are six inequivalent O sites. In the first O site, O(1,7) is bonded in a bent 120 degrees geometry to one C(4,40) and one C(6,18,30,42) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one C(10) and one C(12) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one C(16) and one C(6,18,30,42) atom. The O(3)-C(6,18,30,42) bond length is 1.37 Å. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one C(22) and one C(24,36,48) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one C(28) and one C(6,18,30,42) atom. The O(5)-C(6,18,30,42) bond length is 1.37 Å. In the sixth O site, O(6,8) is bonded in a bent 120 degrees geometry to one C(24,36,48) and one C(34,46) atom. The O(6,8)-C(24,36,48) bond length is 1.48 Å. Linkers: 2 [c]1[c]ncc(O[CH]C([CH]Oc2cccnc2)([CH]Oc2cccnc2)[CH]Oc2cccnc2)[c]1 ,2 [CH](Oc1cccnc1)C([CH]Oc1cccnc1)([CH]Oc1cccnc1)[CH]Oc1cccnc1. Metal clusters: 4 [Cu]. The MOF has largest included sphere 7.10 A, density 0.67 g/cm3, surface area 5048.87 m2/g, accessible volume 0.98 cm3/g