CuC5NH7O5CH2 crystallizes in the triclinic P1 space group. The structure consists of four 02329_fluka molecules inside a CuC5NH7O5 framework. In the CuC5NH7O5 framework, there are four inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a square pyramidal geometry to one O(1), one O(15), one O(20), one O(5), and one O(9) atom. The Cu(1)-O(1) bond length is 1.94 Å. The Cu(1)-O(15) bond length is 2.30 Å. The Cu(1)-O(20) bond length is 2.00 Å. The Cu(1)-O(5) bond length is 1.97 Å. The Cu(1)-O(9) bond length is 1.99 Å. In the second Cu site, Cu(2) is bonded in a square pyramidal geometry to one O(10), one O(16), one O(19), one O(2), and one O(6) atom. The Cu(2)-O(10) bond length is 1.99 Å. The Cu(2)-O(16) bond length is 2.30 Å. The Cu(2)-O(19) bond length is 2.00 Å. The Cu(2)-O(2) bond length is 1.94 Å. The Cu(2)-O(6) bond length is 1.97 Å. In the third Cu site, Cu(3) is bonded in a square pyramidal geometry to one O(11), one O(14), one O(17), one O(3), and one O(7) atom. The Cu(3)-O(11) bond length is 1.99 Å. The Cu(3)-O(14) bond length is 2.30 Å. The Cu(3)-O(17) bond length is 2.00 Å. The Cu(3)-O(3) bond length is 1.94 Å. The Cu(3)-O(7) bond length is 1.98 Å. In the fourth Cu site, Cu(4) is bonded in a square pyramidal geometry to one O(12), one O(13), one O(18), one O(4), and one O(8) atom. The Cu(4)-O(12) bond length is 1.99 Å. The Cu(4)-O(13) bond length is 2.31 Å. The Cu(4)-O(18) bond length is 2.00 Å. The Cu(4)-O(4) bond length is 1.94 Å. The Cu(4)-O(8) bond length is 1.97 Å. There are fourteen inequivalent C sites. In the first C site, C(1) is bonded in a bent 120 degrees geometry to one O(1) and one O(13) atom. The C(1)-O(1) bond length is 1.29 Å. The C(1)-O(13) bond length is 1.25 Å. In the second C site, C(2) is bonded in a bent 120 degrees geometry to one O(14) and one O(2) atom. The C(2)-O(14) bond length is 1.25 Å. The C(2)-O(2) bond length is 1.29 Å. In the third C site, C(3) is bonded in a bent 120 degrees geometry to one O(15) and one O(3) atom. The C(3)-O(15) bond length is 1.25 Å. The C(3)-O(3) bond length is 1.29 Å. In the fourth C site, C(4) is bonded in a bent 120 degrees geometry to one O(16) and one O(4) atom. The C(4)-O(16) bond length is 1.25 Å. The C(4)-O(4) bond length is 1.29 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one N(1,2,4); one H(1,2,4); and one O(9) atom. The C(5)-N(1,2,4) bond length is 1.32 Å. The C(5)-H(1,2,4) bond length is 1.10 Å. The C(5)-O(9) bond length is 1.27 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one N(1,2,4); one H(1,2,4); and one O(10) atom. The C(6)-N(1,2,4) bond length is 1.32 Å. The C(6)-H(1,2,4) bond length is 1.10 Å. The C(6)-O(10) bond length is 1.27 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one N(3), one H(3), and one O(11) atom. The C(7)-N(3) bond length is 1.32 Å. The C(7)-H(3) bond length is 1.10 Å. The C(7)-O(11) bond length is 1.27 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one N(1,2,4); one H(1,2,4); and one O(12) atom. The C(8)-N(1,2,4) bond length is 1.32 Å. The C(8)-H(1,2,4) bond length is 1.10 Å. The C(8)-O(12) bond length is 1.27 Å. In the ninth C site, C(13,14,15,16) is bonded to one N(1,2,4); one H(13,14,16); one H(17,18,20); and one H(21,22,24) atom to form corner-sharing CH3N tetrahedra. The C(13,14,15,16)-N(1,2,4) bond length is 1.46 Å. The C(13,14,15,16)-H(13,14,16) bond length is 1.09 Å. The C(13,14,15,16)-H(17,18,20) bond length is 1.10 Å. The C(13,14,15,16)-H(21,22,24) bond length is 1.10 Å. In the tenth C site, C(17,18,19,20) is bonded to one N(1,2,4); one H(25,26,28); one H(29,30,32); and one H(33,34,36) atom to form corner-sharing CH3N tetrahedra. The C(17,18,19,20)-N(1,2,4) bond length is 1.46 Å. The C(17,18,19,20)-H(25,26,28) bond length is 1.10 Å. The C(17,18,19,20)-H(29,30,32) bond length is 1.10 Å. The C(17,18,19,20)-H(33,34,36) bond length is 1.10 Å. In the eleventh C site, C(21) is bonded in a distorted bent 120 degrees geometry to one O(17) and one O(5) atom. The C(21)-O(17) bond length is 1.27 Å. The C(21)-O(5) bond length is 1.28 Å. In the twelfth C site, C(22) is bonded in a distorted bent 120 degrees geometry to one O(18) and one O(6) atom. The C(22)-O(18) bond length is 1.27 Å. The C(22)-O(6) bond length is 1.28 Å. In the thirteenth C site, C(23) is bonded in a distorted bent 120 degrees geometry to one O(19) and one O(7) atom. The C(23)-O(19) bond length is 1.27 Å. The C(23)-O(7) bond length is 1.28 Å. In the fourteenth C site, C(24) is bonded in a distorted bent 120 degrees geometry to one O(20) and one O(8) atom. The C(24)-O(20) bond length is 1.27 Å. The C(24)-O(8) bond length is 1.28 Å. There are two inequivalent N sites. In the first N site, N(1,2,4) is bonded in a trigonal planar geometry to one C(13,14,15,16); one C(17,18,19,20); and one C(5) atom. In the second N site, N(3) is bonded in a trigonal planar geometry to one C(13,14,15,16); one C(17,18,19,20); and one C(7) atom. The N(3)-C(13,14,15,16) bond length is 1.46 Å. The N(3)-C(17,18,19,20) bond length is 1.46 Å. There are fourteen inequivalent H sites. In the first H site, H(1,2,4) is bonded in a single-bond geometry to one C(5) atom. In the second H site, H(3) is bonded in a single-bond geometry to one C(7) atom. In the third H site, H(13,14,16) is bonded in a single-bond geometry to one C(13,14,15,16) atom. In the fourth H site, H(15) is bonded in a single-bond geometry to one C(13,14,15,16) atom. The H(15)-C(13,14,15,16) bond length is 1.09 Å. In the fifth H site, H(17,18,20) is bonded in a single-bond geometry to one C(13,14,15,16) atom. In the sixth H site, H(19) is bonded in a single-bond geometry to one C(13,14,15,16) atom. The H(19)-C(13,14,15,16) bond length is 1.10 Å. In the seventh H site, H(21,22,24) is bonded in a single-bond geometry to one C(13,14,15,16) atom. In the eighth H site, H(23) is bonded in a single-bond geometry to one C(13,14,15,16) atom. The H(23)-C(13,14,15,16) bond length is 1.10 Å. In the ninth H site, H(25,26,28) is bonded in a single-bond geometry to one C(17,18,19,20) atom. In the tenth H site, H(27) is bonded in a single-bond geometry to one C(17,18,19,20) atom. The H(27)-C(17,18,19,20) bond length is 1.09 Å. In the eleventh H site, H(29,30,32) is bonded in a single-bond geometry to one C(17,18,19,20) atom. In the twelfth H site, H(31) is bonded in a single-bond geometry to one C(17,18,19,20) atom. The H(31)-C(17,18,19,20) bond length is 1.10 Å. In the thirteenth H site, H(33,34,36) is bonded in a single-bond geometry to one C(17,18,19,20) atom. In the fourteenth H site, H(35) is bonded in a single-bond geometry to one C(17,18,19,20) atom. The H(35)-C(17,18,19,20) bond length is 1.10 Å. There are twenty inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Cu(2) and one C(2) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Cu(3) and one C(3) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Cu(4) and one C(4) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(21) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Cu(2) and one C(22) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Cu(3) and one C(23) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Cu(4) and one C(24) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(5) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Cu(2) and one C(6) atom. In the eleventh O site, O(11) is bonded in a bent 120 degrees geometry to one Cu(3) and one C(7) atom. In the twelfth O site, O(12) is bonded in a bent 120 degrees geometry to one Cu(4) and one C(8) atom. In the thirteenth O site, O(13) is bonded in a distorted single-bond geometry to one Cu(4) and one C(1) atom. In the fourteenth O site, O(14) is bonded in a distorted single-bond geometry to one Cu(3) and one C(2) atom. In the fifteenth O site, O(15) is bonded in a distorted single-bond geometry to one Cu(1) and one C(3) atom. In the sixteenth O site, O(16) is bonded in a distorted single-bond geometry to one Cu(2) and one C(4) atom. In the seventeenth O site, O(17) is bonded in a bent 120 degrees geometry to one Cu(3) and one C(21) atom. In the eighteenth O site, O(18) is bonded in a bent 120 degrees geometry to one Cu(4) and one C(22) atom. In the nineteenth O site, O(19) is bonded in a bent 120 degrees geometry to one Cu(2) and one C(23) atom. In the twentieth O site, O(20) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(24) atom. Linkers: 4 [O]C(=O)CC([O])=O. Metal clusters: 4 [Cu]. RCSR code: ths. The MOF has largest included sphere 1.66 A, density 1.89 g/cm3, surface area 4294.51 m2/g, accessible volume 0.11 cm3/g