Cu3P4H14(C7O12)2 crystallizes in the tetragonal P-4 space group. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(2), one O(3), one O(5), one O(6), one O(7), and one O(8) atom. The Cu(1)-O(10) bond length is 1.98 Å. The Cu(1)-O(11) bond length is 2.27 Å. The Cu(1)-O(2) bond length is 2.04 Å. The Cu(1)-O(3) bond length is 1.93 Å. The Cu(1)-O(5) bond length is 2.18 Å. The Cu(1)-O(6) bond length is 2.02 Å. The Cu(1)-O(7) bond length is 1.88 Å. The Cu(1)-O(8) bond length is 1.84 Å. In the second Cu site, Cu(2) is bonded in a hexagonal bipyramidal geometry to two equivalent O(11), two equivalent O(12), two equivalent O(4), and two equivalent O(5) atoms. Both Cu(2)-O(11) bond lengths are 1.98 Å. Both Cu(2)-O(12) bond lengths are 2.00 Å. Both Cu(2)-O(4) bond lengths are 1.86 Å. Both Cu(2)-O(5) bond lengths are 1.93 Å. There are seven inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(2), one C(6), and one P(1) atom. The C(1)-C(2) bond length is 1.39 Å. The C(1)-C(6) bond length is 1.43 Å. The C(1)-P(1) bond length is 1.79 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1), one C(3), and one H(2) atom. The C(2)-C(3) bond length is 1.43 Å. The C(2)-H(2) bond length is 0.93 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one P(2) atom. The C(3)-C(4) bond length is 1.40 Å. The C(3)-P(2) bond length is 1.80 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(3), one C(5), and one H(3) atom. The C(4)-C(5) bond length is 1.41 Å. The C(4)-H(3) bond length is 0.93 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(4), one C(6), and one C(7) atom. The C(5)-C(6) bond length is 1.36 Å. The C(5)-C(7) bond length is 1.50 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(1), one C(5), and one H(4) atom. The C(6)-H(4) bond length is 0.93 Å. In the seventh C site, C(7) is bonded in a trigonal non-coplanar geometry to one C(5), one H(5), one H(6), and one H(7) atom. The C(7)-H(5) bond length is 0.96 Å. The C(7)-H(6) bond length is 0.96 Å. The C(7)-H(7) bond length is 0.96 Å. There are two inequivalent P sites. In the first P site, P(1) is bonded in a 7-coordinate geometry to one C(1), one O(1), one O(2), one O(3), one O(7), one O(8), and one O(9) atom. The P(1)-O(1) bond length is 1.59 Å. The P(1)-O(2) bond length is 1.41 Å. The P(1)-O(3) bond length is 1.52 Å. The P(1)-O(7) bond length is 1.57 Å. The P(1)-O(8) bond length is 1.63 Å. The P(1)-O(9) bond length is 1.50 Å. In the second P site, P(2) is bonded in a 7-coordinate geometry to one C(3), one O(10), one O(11), one O(12), one O(4), one O(5), and one O(6) atom. The P(2)-O(10) bond length is 1.59 Å. The P(2)-O(11) bond length is 1.42 Å. The P(2)-O(12) bond length is 1.57 Å. The P(2)-O(4) bond length is 1.62 Å. The P(2)-O(5) bond length is 1.52 Å. The P(2)-O(6) bond length is 1.52 Å. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(1) and one O(8) atom. The H(1)-O(1) bond length is 0.82 Å. The H(1)-O(8) bond length is 1.67 Å. In the second H site, H(2) is bonded in a single-bond geometry to one C(2) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(4) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(6) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(7) 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(7) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one P(1) and one H(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Cu(1) and one P(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Cu(1), one P(1), and one O(8) atom. The O(3)-O(8) bond length is 1.44 Å. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Cu(2), one P(2), and one O(11) atom. The O(4)-O(11) bond length is 1.29 Å. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Cu(1), one Cu(2), one P(2), one O(10), and one O(12) atom. The O(5)-O(10) bond length is 1.66 Å. The O(5)-O(12) bond length is 1.40 Å. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Cu(1) and one P(2) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one Cu(1) and one P(1) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Cu(1), one P(1), one H(1), and one O(3) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one P(1) atom. In the tenth O site, O(10) is bonded in a 1-coordinate geometry to one Cu(1), one P(2), and one O(5) atom. In the eleventh O site, O(11) is bonded in a distorted single-bond geometry to one Cu(1), one Cu(2), one P(2), and one O(4) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Cu(2), one P(2), and one O(5) atom. Linkers: 4 Cc1cc([P]2(OO)OO2)cc(P23(OO2)OO3)c1.[O][O].[O][O]. Metal clusters: 6 [Cu]. The MOF has largest included sphere 7.02 A, density 2.47 g/cm3, surface area 1871.27 m2/g, accessible volume 0.11 cm3/g