VC8H4O5C6H5NH2 crystallizes in the monoclinic P2_1 space group. The structure consists of four aniline molecules inside a VC8H4O5 framework. In the VC8H4O5 framework, there are two inequivalent V sites. In the first V site, V(1) is bonded to one O(10), one O(3), one O(6), one O(7), and two equivalent O(1) atoms to form distorted corner-sharing VO6 octahedra. The corner-sharing octahedral tilt angles are 48°. The V(1)-O(10) bond length is 1.98 Å. The V(1)-O(3) bond length is 1.98 Å. The V(1)-O(6) bond length is 1.98 Å. The V(1)-O(7) bond length is 1.96 Å. There is one shorter (1.65 Å) and one longer (2.07 Å) V(1)-O(1) bond length. In the second V site, V(2) is bonded to one O(4), one O(5), one O(8), one O(9), and two equivalent O(2) atoms to form distorted corner-sharing VO6 octahedra. The corner-sharing octahedral tilt angles are 47°. The V(2)-O(4) bond length is 2.00 Å. The V(2)-O(5) bond length is 1.99 Å. The V(2)-O(8) bond length is 1.97 Å. The V(2)-O(9) bond length is 2.00 Å. There is one shorter (1.65 Å) and one longer (2.06 Å) V(2)-O(2) bond length. There are sixteen 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(3), and one O(7) atom. The C(1)-C(3) bond length is 1.48 Å. The C(1)-O(3) bond length is 1.28 Å. The C(1)-O(7) 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(4), and one O(8) atom. The C(2)-C(4) bond length is 1.48 Å. The C(2)-O(4) bond length is 1.28 Å. The C(2)-O(8) 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 1.40 Å. The C(3)-C(5) bond length is 1.40 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 1.40 Å. The C(4)-C(6) bond length is 1.40 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(3) and one H(1,2) atom. The C(5)-H(1,2) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(4) and one H(1,2) atom. The C(6)-H(1,2) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(15) and one H(3) atom. The C(7)-C(15) bond length is 1.41 Å. The C(7)-H(3) bond length is 1.09 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(16) and one H(4) atom. The C(8)-C(16) bond length is 1.41 Å. The C(8)-H(4) bond length is 1.09 Å. In the ninth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(11), one C(15), and one H(5) atom. The C(9)-C(11) bond length is 1.39 Å. The C(9)-C(15) bond length is 1.40 Å. The C(9)-H(5) bond length is 1.09 Å. In the tenth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(12), one C(16), and one H(6) atom. The C(10)-C(12) bond length is 1.39 Å. The C(10)-C(16) bond length is 1.40 Å. The C(10)-H(6) bond length is 1.09 Å. In the eleventh C site, C(11) is bonded in a distorted single-bond geometry to one C(3), one C(9), and one H(7) atom. The C(11)-H(7) bond length is 1.09 Å. In the twelfth C site, C(12) is bonded in a distorted single-bond geometry to one C(10), one C(4), and one H(8) atom. The C(12)-H(8) bond length is 1.09 Å. In the thirteenth C site, C(13) is bonded in a distorted bent 120 degrees geometry to one C(15), one O(5), and one O(9) atom. The C(13)-C(15) bond length is 1.48 Å. The C(13)-O(5) bond length is 1.28 Å. The C(13)-O(9) bond length is 1.28 Å. In the fourteenth C site, C(14) is bonded in a distorted bent 120 degrees geometry to one C(16), one O(10), and one O(6) atom. The C(14)-C(16) bond length is 1.48 Å. The C(14)-O(10) bond length is 1.28 Å. The C(14)-O(6) bond length is 1.28 Å. In the fifteenth C site, C(15) is bonded in a trigonal planar geometry to one C(13), one C(7), and one C(9) atom. In the sixteenth C site, C(16) is bonded in a trigonal planar geometry to one C(10), one C(14), and one C(8) atom. There are seven inequivalent H sites. In the first H site, H(1,2) is bonded in a single-bond geometry to one C(5) atom. In the second H site, H(3) is bonded in a single-bond geometry to one C(7) atom. In the third H site, H(4) is bonded in a single-bond geometry to one C(8) atom. In the fourth H site, H(5) is bonded in a single-bond geometry to one C(9) atom. In the fifth H site, H(6) is bonded in a single-bond geometry to one C(10) atom. In the sixth H site, H(7) is bonded in a single-bond geometry to one C(11) atom. In the seventh H site, H(8) is bonded in a single-bond geometry to one C(12) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to two equivalent V(1) atoms. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to two equivalent V(2) atoms. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one V(1) and one C(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one V(2) and one C(2) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one V(2) and one C(13) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one V(1) and one C(14) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one V(1) and one C(1) atom. In the eighth O site, O(8) is bonded in a distorted bent 150 degrees geometry to one V(2) and one C(2) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one V(2) and one C(13) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one V(1) and one C(14) atom. Linkers: 4 [O]C(=O)c1ccc(C([O])=O)cc1. Metal clusters: 4 [V]. RCSR code: lvt. The MOF has largest included sphere 2.57 A, density 1.50 g/cm3, surface area 4536.49 m2/g, accessible volume 0.17 cm3/g