Zn2C3P3NH7O9Cl crystallizes in the monoclinic P2_1/c space group. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one N(1), one O(3), one O(5), one O(8), and one O(9) atom to form ZnNO4 trigonal bipyramids that share  a cornercorner with one C(1)PH2N tetrahedra,  a cornercorner with one C(2)PH2N tetrahedra,  a cornercorner with one C(3)PH2N tetrahedra,  a cornercorner with one P(1)CO3 tetrahedra,  a cornercorner with one P(2)CO3 tetrahedra, and corners with two equivalent P(3)CO3 tetrahedra. The Zn(1)-N(1) bond length is 2.30 Å. The Zn(1)-O(3) bond length is 2.01 Å. The Zn(1)-O(5) bond length is 2.03 Å. The Zn(1)-O(8) bond length is 2.01 Å. The Zn(1)-O(9) bond length is 1.99 Å. In the second Zn site, Zn(2) is bonded to one O(1), one O(4), one O(6), and one Cl(1) atom to form ZnClO3 tetrahedra that share  a cornercorner with one P(1)CO3 tetrahedra and corners with two equivalent P(2)CO3 tetrahedra. The Zn(2)-O(1) bond length is 1.92 Å. The Zn(2)-O(4) bond length is 1.93 Å. The Zn(2)-O(6) bond length is 1.97 Å. The Zn(2)-Cl(1) bond length is 2.30 Å. There are three inequivalent C sites. In the first C site, C(1) is bonded to one P(1); one N(1); and two equivalent H(2,3) atoms to form distorted CPH2N tetrahedra that share  a cornercorner with one C(2)PH2N tetrahedra,  a cornercorner with one C(3)PH2N tetrahedra, and  a cornercorner with one Zn(1)NO4 trigonal bipyramid. The C(1)-P(1) bond length is 1.82 Å. The C(1)-N(1) bond length is 1.48 Å. Both C(1)-H(2,3) bond lengths are 0.97 Å. In the second C site, C(2) is bonded to one P(2); one N(1); and two equivalent H(4,5) atoms to form distorted CPH2N tetrahedra that share  a cornercorner with one C(1)PH2N tetrahedra,  a cornercorner with one C(3)PH2N tetrahedra, and  a cornercorner with one Zn(1)NO4 trigonal bipyramid. The C(2)-P(2) bond length is 1.82 Å. The C(2)-N(1) bond length is 1.48 Å. Both C(2)-H(4,5) bond lengths are 0.97 Å. In the third C site, C(3) is bonded to one P(3); one N(1); and two equivalent H(6,7) atoms to form distorted CPH2N tetrahedra that share  a cornercorner with one C(1)PH2N tetrahedra,  a cornercorner with one C(2)PH2N tetrahedra, and  a cornercorner with one Zn(1)NO4 trigonal bipyramid. The C(3)-P(3) bond length is 1.82 Å. The C(3)-N(1) bond length is 1.49 Å. Both C(3)-H(6,7) bond lengths are 0.97 Å. There are three inequivalent P sites. In the first P site, 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  a cornercorner with one Zn(2)ClO3 tetrahedra,  a cornercorner with one N(1)ZnC3 tetrahedra, and  a cornercorner with one Zn(1)NO4 trigonal bipyramid. The P(1)-O(1) bond length is 1.49 Å. The P(1)-O(2) bond length is 1.53 Å. The P(1)-O(3) bond length is 1.53 Å. In the second P site, P(2) is bonded to one C(2), one O(4), one O(5), and one O(6) atom to form PCO3 tetrahedra that share  a cornercorner with one N(1)ZnC3 tetrahedra, corners with two equivalent Zn(2)ClO3 tetrahedra, and  a cornercorner with one Zn(1)NO4 trigonal bipyramid. The P(2)-O(4) bond length is 1.52 Å. The P(2)-O(5) bond length is 1.53 Å. The P(2)-O(6) bond length is 1.53 Å. In the third P site, P(3) is bonded to one C(3), one O(7), one O(8), and one O(9) atom to form distorted PCO3 tetrahedra that share  a cornercorner with one N(1)ZnC3 tetrahedra and corners with two equivalent Zn(1)NO4 trigonal bipyramids. The P(3)-O(7) bond length is 1.54 Å. The P(3)-O(8) bond length is 1.52 Å. The P(3)-O(9) bond length is 1.49 Å. N(1) is bonded to one Zn(1), one C(1), one C(2), and one C(3) atom to form NZnC3 tetrahedra that share  a cornercorner with one P(1)CO3 tetrahedra,  a cornercorner with one P(2)CO3 tetrahedra, and  a cornercorner with one P(3)CO3 tetrahedra. There are four inequivalent H sites. In the first H site, H(1) is bonded in a distorted single-bond geometry to one O(2) and one O(7) atom. The H(1)-O(2) bond length is 1.66 Å. The H(1)-O(7) bond length is 0.82 Å. In the second H site, H(2,3) is bonded in a single-bond geometry to one C(1) atom. In the third H site, H(4,5) is bonded in a single-bond geometry to one C(2) atom. In the fourth H site, H(6,7) is bonded in a single-bond geometry to one C(3) atom. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Zn(2) and one P(1) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one P(1) and one H(1) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Zn(1) and one P(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Zn(2) and one P(2) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Zn(1) and one P(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Zn(2) and one P(2) atom. In the seventh O site, O(7) is bonded in a water-like geometry to one P(3) and one H(1) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Zn(1) and one P(3) atom. In the ninth O site, O(9) is bonded in a distorted bent 120 degrees geometry to one Zn(1) and one P(3) atom. Cl(1) is bonded in a single-bond geometry to one Zn(2) atom. Linkers: 4 [O]P([O])(=O)CN(CP([O])([O])=O)CP([O])(=O)O. Metal clusters: 8 [Zn]. The MOF has largest included sphere 4.30 A, density 1.73 g/cm3, surface area 3220.85 m2/g, accessible volume 0.30 cm3/g