Zn3P2H25(C14O5)3 crystallizes in the cubic Pa-3 space group. Zn(1) is bonded to one O(1), one O(3), one O(4), and one O(7) atom to form corner-sharing ZnO4 tetrahedra. The Zn(1)-O(1) bond length is 1.93 Å. The Zn(1)-O(3) bond length is 1.94 Å. The Zn(1)-O(4) bond length is 1.94 Å. The Zn(1)-O(7) bond length is 1.98 Å. There are fourteen 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 1.37 Å. The C(1)-C(6) bond length is 1.36 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 1.42 Å. The C(2)-H(1) bond length is 0.95 Å. In the third C site, C(3) is bonded in a distorted trigonal planar geometry to one C(2), one C(4), and one H(2) atom. The C(3)-C(4) bond length is 1.35 Å. The C(3)-H(2) bond length is 0.95 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(7) atom. The C(4)-C(5) bond length is 1.38 Å. The C(4)-C(7) bond length is 1.51 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(4) and one H(3) atom. The C(5)-H(3) bond length is 0.95 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(1) and one H(4) atom. The C(6)-H(4) bond length is 0.95 Å. In the seventh C site, C(7) is bonded in a bent 120 degrees geometry to one C(4), one O(1), and one O(2) atom. The C(7)-O(1) bond length is 1.28 Å. The C(7)-O(2) bond length is 1.20 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one C(13), one C(9), and one P(2) atom. The C(8)-C(13) bond length is 1.34 Å. The C(8)-C(9) bond length is 1.39 Å. The C(8)-P(2) bond length is 1.80 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(10), one C(8), and one H(5) atom. The C(9)-C(10) bond length is 1.39 Å. The C(9)-H(5) bond length is 0.95 Å. In the tenth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(11), one C(9), and one H(6) atom. The C(10)-C(11) bond length is 1.35 Å. The C(10)-H(6) bond length is 0.95 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(14) atom. The C(11)-C(12) bond length is 1.37 Å. The C(11)-C(14) 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) and one H(7) atom. The C(12)-H(7) bond length is 0.95 Å. In the thirteenth C site, C(13) is bonded in a distorted single-bond geometry to one C(8) and one H(8) atom. The C(13)-H(8) bond length is 0.95 Å. In the fourteenth C site, C(14) is bonded in a distorted bent 120 degrees geometry to one C(11), one O(3), and one O(4) atom. The C(14)-O(3) bond length is 1.28 Å. The C(14)-O(4) bond length is 1.28 Å. There are two inequivalent P sites. In the first P site, P(1) is bonded in a tetrahedral geometry to three equivalent C(1) and one O(5) atom. The P(1)-O(5) bond length is 1.49 Å. In the second P site, P(2) is bonded in a tetrahedral geometry to three equivalent C(8) and one O(6) atom. The P(2)-O(6) bond length is 1.52 Å. There are nine inequivalent H sites. In the first H site, H(9) is bonded in a linear geometry to one O(6) and one O(7) atom. The H(9)-O(6) bond length is 1.57 Å. The H(9)-O(7) bond length is 1.00 Å. In the second H site, H(1) is bonded in a single-bond geometry to one C(2) atom. In the third H site, H(2) is bonded in a single-bond geometry to one C(3) atom. In the fourth H site, H(3) is bonded in a single-bond geometry to one C(5) atom. In the fifth H site, H(4) is bonded in a single-bond geometry to one C(6) atom. In the sixth H site, H(5) is bonded in a single-bond geometry to one C(9) atom. In the seventh H site, H(6) is bonded in a single-bond geometry to one C(10) atom. In the eighth H site, H(7) is bonded in a single-bond geometry to one C(12) atom. In the ninth H site, H(8) is bonded in a single-bond geometry to one C(13) atom. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(7) atom. In the second O site, O(2) is bonded in a single-bond geometry to one C(7) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(14) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(14) atom. In the fifth O site, O(5) is bonded in a single-bond geometry to one P(1) atom. In the sixth O site, O(6) is bonded in a linear geometry to one P(2) and one H(9) atom. In the seventh O site, O(7) is bonded in a distorted tetrahedral geometry to three equivalent Zn(1) and one H(9) atom. Linkers: 16 [O]C(=O)c1ccc(P(=O)(c2ccc(C([O])=O)cc2)c2ccc(C([O])=O)cc2)cc1. Metal clusters: 8 O=[C]O[Zn]1O[C]O[Zn](O[C]=O)O[C]O[Zn](O)(O[C]=O)O[C]O1. RCSR code: pyr. The MOF has largest included sphere 5.99 A, density 1.14 g/cm3, surface area 4057.11 m2/g, accessible volume 0.41 cm3/g