VC12H7O5 crystallizes in the triclinic P-1 space group. There are two inequivalent V sites. In the first V site, V(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(5) atoms to form corner-sharing VO6 octahedra. The corner-sharing octahedral tilt angles are 57°. Both V(1)-O(1) bond lengths are 1.97 Å. Both V(1)-O(2) bond lengths are 1.99 Å. Both V(1)-O(5) bond lengths are 2.01 Å. In the second V site, V(2) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form corner-sharing VO6 octahedra. The corner-sharing octahedral tilt angles are 57°. Both V(2)-O(1) bond lengths are 1.95 Å. Both V(2)-O(3) bond lengths are 2.00 Å. Both V(2)-O(4) bond lengths are 2.02 Å. There are twelve inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(2), and one O(4) atom. The C(1)-C(3) bond length is 1.48 Å. The C(1)-O(2) bond length is 1.29 Å. The C(1)-O(4) bond length is 1.28 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(3), and one O(5) atom. The C(2)-C(4) bond length is 1.48 Å. The C(2)-O(3) bond length is 1.28 Å. The C(2)-O(5) bond length is 1.28 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(1), one C(11), and one C(5) atom. The C(3)-C(11) bond length is 1.39 Å. The C(3)-C(5) bond length is 1.42 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(12), one C(2), and one C(6) atom. The C(4)-C(12) bond length is 1.39 Å. The C(4)-C(6) bond length is 1.42 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(3), one C(7), and one H(2) atom. The C(5)-C(7) bond length is 1.37 Å. The C(5)-H(2) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(4), one C(8), and one H(3) atom. The C(6)-C(8) bond length is 1.37 Å. The C(6)-H(3) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a distorted trigonal planar geometry to one C(5), one C(9), and one H(4) atom. The C(7)-C(9) bond length is 1.42 Å. The C(7)-H(4) bond length is 1.09 Å. In the eighth C site, C(8) is bonded in a distorted trigonal planar geometry to one C(10), one C(6), and one H(5) atom. The C(8)-C(10) bond length is 1.42 Å. The C(8)-H(5) bond length is 1.09 Å. In the ninth C site, C(9) is bonded in a trigonal planar geometry to one C(11), one C(7), and one C(9) atom. The C(9)-C(11) bond length is 1.41 Å. The C(9)-C(9) bond length is 1.44 Å. In the tenth C site, C(10) is bonded in a trigonal planar geometry to one C(10), one C(12), and one C(8) atom. The C(10)-C(10) bond length is 1.44 Å. The C(10)-C(12) bond length is 1.41 Å. In the eleventh C site, C(11) is bonded in a distorted trigonal planar geometry to one C(3), one C(9), and one H(6) atom. The C(11)-H(6) bond length is 1.09 Å. In the twelfth C site, C(12) is bonded in a distorted trigonal planar geometry to one C(10), one C(4), and one H(7) atom. The C(12)-H(7) bond length is 1.09 Å. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(1) atom. The H(1)-O(1) bond length is 0.97 Å. In the second H site, H(2) is bonded in a single-bond geometry to one C(5) 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(7) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(8) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(11) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(12) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one V(1), one V(2), and one H(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one V(1) and one C(1) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one V(2) and one C(2) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one V(2) and one C(1) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one V(1) and one C(2) atom. Linkers: 2 [O]C(=O)c1ccc2cc(C([O])=O)ccc2c1. Metal clusters: 2 [V]. RCSR code: lvt. The MOF has largest included sphere 2.02 A, density 1.69 g/cm3, surface area 3937.97 m2/g, accessible volume 0.13 cm3/g