CoC13P2H12O7 crystallizes in the orthorhombic Pmc2_1 space group. Co(1) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms to form CoO6 octahedra that share corners with two equivalent Co(1)O6 octahedra and corners with four equivalent P(1)CO3 tetrahedra. The corner-sharing octahedral tilt angles are 54°. Both Co(1)-O(2) bond lengths are 2.03 Å. Both Co(1)-O(3) bond lengths are 2.13 Å. There is one shorter (2.13 Å) and one longer (2.19 Å) Co(1)-O(4) bond length. 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 1.41 Å. The C(1)-C(6) bond length is 1.41 Å. The C(1)-P(1) bond length is 1.80 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(1), one C(3), and one H(3) atom. The C(2)-C(3) bond length is 1.39 Å. The C(2)-H(3) bond length is 1.09 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one C(7) atom. The C(3)-C(4) bond length is 1.42 Å. The C(3)-C(7) bond length is 1.50 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(3), one C(4), and one C(5) atom. The C(4)-C(4) bond length is 1.47 Å. The C(4)-C(5) bond length is 1.40 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(4) and one H(4) atom. The C(5)-H(4) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(1) and one H(5) atom. The C(6)-H(5) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a distorted water-like geometry to two equivalent C(3), one H(6), and one H(7) atom. The C(7)-H(6) bond length is 1.10 Å. The C(7)-H(7) bond length is 1.10 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 two equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 36-46°. The P(1)-O(1) bond length is 1.59 Å. The P(1)-O(2) bond length is 1.51 Å. The P(1)-O(3) bond length is 1.54 Å. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to one O(1) and one O(3) atom. The H(1)-O(1) bond length is 1.05 Å. The H(1)-O(3) bond length is 1.46 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(1) and one O(4) atom. The H(2)-O(1) bond length is 1.66 Å. The H(2)-O(4) bond length is 1.00 Å. In the third H site, H(3) is bonded in a single-bond geometry to one C(2) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(5) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(6) 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 four inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one P(1), one H(1), and one H(2) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Co(1) and one P(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Co(1), one P(1), and one H(1) atom. In the fourth O site, O(4) is bonded in a distorted water-like geometry to two equivalent Co(1) and two equivalent H(2) atoms. Linkers: 2 [O]P(=O)(O)c1ccc2c(c1)Cc1cc(P([O])(=O)O)ccc1-2. Metal clusters: 2 [Co]. RCSR code: sql. The MOF has largest included sphere 1.76 A, density 2.00 g/cm3, surface area 3356.65 m2/g, accessible volume 0.08 cm3/g