V7C8P8H18(O7F)4 crystallizes in the triclinic P-1 space group. There are four inequivalent V sites. In the first V site, V(1) is bonded to one O(1), one O(2), one O(3), and two equivalent F(1) atoms to form VO3F2 square pyramids that share  a cornercorner with one P(2)CO3 tetrahedra, corners with two equivalent P(1)CO3 tetrahedra, and  an edgeedge with one V(1)O3F2 square pyramid. The V(1)-O(1) bond length is 2.01 Å. The V(1)-O(2) bond length is 1.97 Å. The V(1)-O(3) bond length is 2.02 Å. There is one shorter (1.96 Å) and one longer (2.19 Å) V(1)-F(1) bond length. In the second V site, V(2) is bonded to one O(10), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form VO6 octahedra that share  a cornercorner with one V(4)O6 octahedra,  a cornercorner with one P(1)CO3 tetrahedra,  a cornercorner with one P(2)CO3 tetrahedra,  a cornercorner with one P(3)CO3 tetrahedra, and  a cornercorner with one P(4)CO3 tetrahedra. The corner-sharing octahedral tilt angles are 43°. The V(2)-O(10) bond length is 2.05 Å. The V(2)-O(4) bond length is 1.96 Å. The V(2)-O(5) bond length is 1.96 Å. The V(2)-O(6) bond length is 1.86 Å. The V(2)-O(7) bond length is 1.96 Å. The V(2)-O(8) bond length is 1.98 Å. In the third V site, V(3) is bonded to one O(12), one O(13), one O(14), and two equivalent F(2) atoms to form VO3F2 square pyramids that share  a cornercorner with one P(4)CO3 tetrahedra, corners with two equivalent P(3)CO3 tetrahedra, and  an edgeedge with one V(3)O3F2 square pyramid. The V(3)-O(12) bond length is 2.01 Å. The V(3)-O(13) bond length is 2.01 Å. The V(3)-O(14) bond length is 2.00 Å. There is one shorter (1.96 Å) and one longer (2.16 Å) V(3)-F(2) bond length. In the fourth V site, V(4) is bonded to two equivalent O(10), two equivalent O(11), and two equivalent O(9) atoms to form VO6 octahedra that share corners with two equivalent V(2)O6 octahedra, corners with two equivalent P(2)CO3 tetrahedra, and corners with two equivalent P(4)CO3 tetrahedra. The corner-sharing octahedral tilt angles are 43°. Both V(4)-O(10) bond lengths are 1.89 Å. Both V(4)-O(11) bond lengths are 1.99 Å. Both V(4)-O(9) bond lengths are 2.00 Å. There are four inequivalent C sites. In the first C site, C(1) is bonded in a distorted water-like geometry to one P(1), one H(2), and one H(3) atom. The C(1)-P(1) bond length is 1.81 Å. The C(1)-H(2) bond length is 0.99 Å. The C(1)-H(3) bond length is 0.99 Å. In the second C site, C(2) is bonded in a distorted water-like geometry to one P(2) and two equivalent H(4,5) atoms. The C(2)-P(2) bond length is 1.80 Å. Both C(2)-H(4,5) bond lengths are 0.99 Å. In the third C site, C(3) is bonded in a distorted water-like geometry to one P(3) and two equivalent H(6,7) atoms. The C(3)-P(3) bond length is 1.80 Å. Both C(3)-H(6,7) bond lengths are 0.99 Å. In the fourth C site, C(4) is bonded in a distorted water-like geometry to one P(4) and two equivalent H(8,9) atoms. The C(4)-P(4) bond length is 1.79 Å. Both C(4)-H(8,9) bond lengths are 0.99 Å. There are four inequivalent P sites. In the first P site, P(1) is bonded to one C(1), one O(1), one O(3), and one O(4) atom to form PCO3 tetrahedra that share  a cornercorner with one V(2)O6 octahedra and corners with two equivalent V(1)O3F2 square pyramids. The corner-sharing octahedral tilt angles are 42°. The P(1)-O(1) bond length is 1.54 Å. The P(1)-O(3) bond length is 1.55 Å. The P(1)-O(4) bond length is 1.53 Å. In the second P site, P(2) is bonded to one C(2), one O(2), one O(5), and one O(9) atom to form PCO3 tetrahedra that share  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one V(4)O6 octahedra, and  a cornercorner with one V(1)O3F2 square pyramid. The corner-sharing octahedral tilt angles range from 44-45°. The P(2)-O(2) bond length is 1.52 Å. The P(2)-O(5) bond length is 1.53 Å. The P(2)-O(9) bond length is 1.53 Å. In the third P site, P(3) is bonded to one C(3), one O(13), one O(14), and one O(7) atom to form PCO3 tetrahedra that share  a cornercorner with one V(2)O6 octahedra and corners with two equivalent V(3)O3F2 square pyramids. The corner-sharing octahedral tilt angles are 39°. The P(3)-O(13) bond length is 1.53 Å. The P(3)-O(14) bond length is 1.54 Å. The P(3)-O(7) bond length is 1.53 Å. In the fourth P site, P(4) is bonded to one C(4), one O(11), one O(12), and one O(8) atom to form PCO3 tetrahedra that share  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one V(4)O6 octahedra, and  a cornercorner with one V(3)O3F2 square pyramid. The corner-sharing octahedral tilt angles range from 44-46°. The P(4)-O(11) bond length is 1.53 Å. The P(4)-O(12) bond length is 1.54 Å. The P(4)-O(8) bond length is 1.53 Å. There are six inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(6) atom. The H(1)-O(6) bond length is 0.84 Å. In the second H site, H(2) is bonded in a single-bond geometry to one C(1) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(1) atom. In the fourth H site, H(4,5) is bonded in a single-bond geometry to one C(2) atom. In the fifth H site, H(6,7) is bonded in a single-bond geometry to one C(3) atom. In the sixth H site, H(8,9) is bonded in a single-bond geometry to one C(4) atom. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one V(1) and one P(1) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one V(1) and one P(2) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one V(1) and one P(1) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one V(2) and one P(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one V(2) and one P(2) atom. In the sixth O site, O(6) is bonded in a water-like geometry to one V(2) and one H(1) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one V(2) and one P(3) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one V(2) and one P(4) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one V(4) and one P(2) atom. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one V(2) and one V(4) atom. In the eleventh O site, O(11) is bonded in a distorted bent 150 degrees geometry to one V(4) and one P(4) atom. In the twelfth O site, O(12) is bonded in a distorted bent 150 degrees geometry to one V(3) and one P(4) atom. In the thirteenth O site, O(13) is bonded in a distorted bent 120 degrees geometry to one V(3) and one P(3) atom. In the fourteenth O site, O(14) is bonded in a distorted bent 120 degrees geometry to one V(3) and one P(3) atom. There are two inequivalent F sites. In the first F site, F(1) is bonded in a water-like geometry to two equivalent V(1) atoms. In the second F site, F(2) is bonded in a water-like geometry to two equivalent V(3) atoms. Linkers: 4 [O]P([O])(=O)CCP([O])([O])=O. Metal clusters: 7 [V]. The MOF has largest included sphere 5.70 A, density 1.64 g/cm3, surface area 2729.81 m2/g, accessible volume 0.26 cm3/g