Zn5P4H14(C8O7)4 crystallizes in the monoclinic C2/c space group. There are three inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 5-coordinate geometry to one O(10), one O(13), one O(14), one O(2), and one O(8) atom. The Zn(1)-O(10) bond length is 2.03 Å. The Zn(1)-O(13) bond length is 2.04 Å. The Zn(1)-O(14) bond length is 2.29 Å. The Zn(1)-O(2) bond length is 1.95 Å. The Zn(1)-O(8) bond length is 1.97 Å. In the second Zn site, Zn(2) is bonded to one O(10), one O(11), one O(3), and one O(9) atom to form distorted ZnO4 tetrahedra that share  a cornercorner with one P(1)CO3 tetrahedra and corners with two equivalent P(2)CO3 tetrahedra. The Zn(2)-O(10) bond length is 2.07 Å. The Zn(2)-O(11) bond length is 1.95 Å. The Zn(2)-O(3) bond length is 1.93 Å. The Zn(2)-O(9) bond length is 1.95 Å. In the third Zn site, Zn(3) is bonded to two equivalent O(1) and two equivalent O(5) atoms to form distorted ZnO4 tetrahedra that share corners with two equivalent P(1)CO3 tetrahedra. Both Zn(3)-O(1) bond lengths are 1.91 Å. Both Zn(3)-O(5) bond lengths are 1.94 Å. There are sixteen 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 1.38 Å. The C(1)-P(1) bond length is 1.80 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(1) atom. The C(2)-C(3) bond length is 1.38 Å. The C(2)-H(1) 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 C(7) atom. The C(3)-C(4) bond length is 1.37 Å. The C(3)-C(7) bond length is 1.51 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(2) atom. The C(4)-C(5) bond length is 1.38 Å. The C(4)-H(2) 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(8) atom. The C(5)-C(6) bond length is 1.39 Å. The C(5)-C(8) bond length is 1.48 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(3) atom. The C(6)-H(3) bond length is 0.93 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(4), and one O(5) atom. The C(7)-O(4) bond length is 1.23 Å. The C(7)-O(5) bond length is 1.25 Å. In the eighth C site, C(8) is bonded in a bent 120 degrees geometry to one C(5), one O(6), and one O(7) atom. The C(8)-O(6) bond length is 1.30 Å. The C(8)-O(7) bond length is 1.19 Å. In the ninth C site, C(9) is bonded in a trigonal planar geometry to one C(10), one C(14), and one P(2) atom. The C(9)-C(10) bond length is 1.38 Å. The C(9)-C(14) bond length is 1.39 Å. The C(9)-P(2) bond length is 1.80 Å. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one C(11), one C(9), and one H(4) atom. The C(10)-C(11) bond length is 1.39 Å. The C(10)-H(4) bond length is 0.93 Å. In the eleventh C site, C(11) is bonded in a trigonal planar geometry to one C(10), one C(12), and one C(15) atom. The C(11)-C(12) bond length is 1.38 Å. The C(11)-C(15) bond length is 1.50 Å. In the twelfth C site, C(12) is bonded in a distorted single-bond geometry to one C(11), one C(13), and one H(5) atom. The C(12)-C(13) bond length is 1.38 Å. The C(12)-H(5) bond length is 0.93 Å. In the thirteenth C site, C(13) is bonded in a trigonal planar geometry to one C(12), one C(14), and one C(16) atom. The C(13)-C(14) bond length is 1.38 Å. The C(13)-C(16) bond length is 1.50 Å. In the fourteenth C site, C(14) is bonded in a distorted single-bond geometry to one C(13), one C(9), and one H(6) atom. The C(14)-H(6) bond length is 0.93 Å. In the fifteenth C site, C(15) is bonded in a distorted bent 120 degrees geometry to one C(11), one O(11), and one O(12) atom. The C(15)-O(11) bond length is 1.26 Å. The C(15)-O(12) bond length is 1.24 Å. In the sixteenth C site, C(16) is bonded in a bent 120 degrees geometry to one C(13), one O(13), and one O(14) atom. The C(16)-O(13) bond length is 1.27 Å. The C(16)-O(14) bond length is 1.24 Å. There are two 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)O4 tetrahedra and  a cornercorner with one Zn(3)O4 tetrahedra. The P(1)-O(1) bond length is 1.51 Å. The P(1)-O(2) bond length is 1.54 Å. The P(1)-O(3) bond length is 1.52 Å. In the second P site, P(2) is bonded to one C(9), one O(10), one O(8), and one O(9) atom to form PCO3 tetrahedra that share corners with two equivalent Zn(2)O4 tetrahedra. The P(2)-O(10) bond length is 1.55 Å. The P(2)-O(8) bond length is 1.50 Å. The P(2)-O(9) bond length is 1.51 Å. There are seven 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(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(6) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(10) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(12) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(14) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one O(6) atom. The H(7)-O(6) bond length is 0.87 Å. There are fourteen inequivalent O sites. In the first O site, O(10) is bonded in a trigonal non-coplanar geometry to one Zn(1), one Zn(2), and one P(2) atom. In the second O site, O(14) is bonded in a distorted L-shaped geometry to one Zn(1) and one C(16) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Zn(2) and one P(1) atom. In the fourth O site, O(1) is bonded in a bent 150 degrees geometry to one Zn(3) and one P(1) atom. In the fifth O site, O(2) is bonded in a bent 120 degrees geometry to one Zn(1) and one P(1) atom. In the sixth O site, O(4) is bonded in a single-bond geometry to one C(7) atom. In the seventh O site, O(5) is bonded in a bent 120 degrees geometry to one Zn(3) and one C(7) atom. In the eighth O site, O(6) is bonded in a bent 120 degrees geometry to one C(8) and one H(7) atom. In the ninth O site, O(11) is bonded in a water-like geometry to one Zn(2) and one C(15) atom. In the tenth O site, O(12) is bonded in a single-bond geometry to one C(15) atom. In the eleventh O site, O(13) is bonded in an L-shaped geometry to one Zn(1) and one C(16) atom. In the twelfth O site, O(7) is bonded in a single-bond geometry to one C(8) atom. In the thirteenth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Zn(1) and one P(2) atom. In the fourteenth O site, O(9) is bonded in a bent 120 degrees geometry to one Zn(2) and one P(2) atom. Linkers: 8 [O]C(=O)c1cc(C(=O)O)cc(P([O])([O])=O)c1 ,8 [O]C(=O)c1cc(C([O])=O)cc(P([O])([O])=O)c1. Metal clusters: 20 [Zn]. The MOF has largest included sphere 4.66 A, density 1.53 g/cm3, surface area 3641.52 m2/g, accessible volume 0.29 cm3/g