Cu3C12P2H10(NO6)2 crystallizes in the triclinic P-1 space group. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a distorted square co-planar geometry to two equivalent O(1) and two equivalent O(5) atoms. Both Cu(1)-O(1) bond lengths are 2.01 Å. Both Cu(1)-O(5) bond lengths are 1.94 Å. In the second Cu site, Cu(2) is bonded to one N(1), one O(3), one O(6), and two equivalent O(2) atoms to form distorted CuNO4 square pyramids that share corners with three equivalent P(1)CO3 tetrahedra and  an edgeedge with one Cu(2)NO4 square pyramid. The Cu(2)-N(1) bond length is 1.98 Å. The Cu(2)-O(3) bond length is 1.95 Å. The Cu(2)-O(6) bond length is 2.30 Å. There is one shorter (2.01 Å) and one longer (2.02 Å) Cu(2)-O(2) bond length. There are six inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal planar geometry to one C(2), one P(1), and one N(1) atom. The C(1)-C(2) bond length is 1.39 Å. The C(1)-P(1) bond length is 1.82 Å. The C(1)-N(1) bond length is 1.35 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1) and one H(1) atom. The C(2)-H(1) bond length is 1.09 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(4) and one H(2) atom. The C(3)-C(4) bond length is 1.40 Å. The C(3)-H(2) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(3), one C(5), and one C(6) atom. The C(4)-C(5) bond length is 1.39 Å. The C(4)-C(6) bond length is 1.51 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(4), one N(1), and one H(3) atom. The C(5)-N(1) bond length is 1.34 Å. The C(5)-H(3) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(4), and one O(5) atom. The C(6)-O(4) bond length is 1.26 Å. The C(6)-O(5) bond length is 1.28 Å. P(1) is bonded to one C(1), one O(1), one O(2), and one O(3) atom to form PCO3 tetrahedra that share corners with three equivalent Cu(2)NO4 square pyramids. The P(1)-O(1) bond length is 1.53 Å. The P(1)-O(2) bond length is 1.55 Å. The P(1)-O(3) bond length is 1.53 Å. N(1) is bonded in a trigonal planar geometry to one Cu(2), one C(1), and one C(5) atom. There are five inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(2) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(3) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(5) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(6) atom. The H(4)-O(6) bond length is 1.00 Å. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(6) atom. The H(5)-O(6) bond length is 0.99 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Cu(1) and one P(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to two equivalent Cu(2) and one P(1) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Cu(2) and one P(1) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one C(6) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(6) atom. In the sixth O site, O(6) is bonded in a distorted water-like geometry to one Cu(2), one H(4), and one H(5) atom. Linkers: 2 [O]C(=O)c1ccc(P([O])([O])=O)nc1. Metal clusters: 3 [Cu]. The MOF has largest included sphere 1.65 A, density 2.46 g/cm3, surface area 2790.82 m2/g, accessible volume 0.07 cm3/g