C7BiNH3O5 crystallizes in the triclinic P-1 space group. There are seven inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(2), one C(5), and one C(6) atom. The C(1)-C(2) bond length is 1.40 Å. The C(1)-C(5) bond length is 1.40 Å. The C(1)-C(6) bond length is 1.51 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1) and one H(1) atom. The C(2)-H(1) bond length is 1.09 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(2) atom. The C(3)-N(1) bond length is 1.34 Å. The C(3)-H(2) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one C(5), one N(1), and one H(3) atom. The C(4)-C(5) bond length is 1.39 Å. The C(4)-N(1) bond length is 1.34 Å. The C(4)-H(3) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(1), one C(4), and one C(7) atom. The C(5)-C(7) bond length is 1.50 Å. In the sixth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(2), and one O(4) atom. The C(6)-O(2) bond length is 1.27 Å. The C(6)-O(4) bond length is 1.26 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(3), and one O(5) atom. The C(7)-O(3) bond length is 1.29 Å. The C(7)-O(5) bond length is 1.25 Å. Bi(1) is bonded to one N(1), one O(2), one O(3), one O(4), and two equivalent O(1) atoms to form distorted edge-sharing BiNO5 octahedra. The Bi(1)-N(1) bond length is 2.53 Å. The Bi(1)-O(2) bond length is 2.35 Å. The Bi(1)-O(3) bond length is 2.40 Å. The Bi(1)-O(4) bond length is 2.51 Å. There is one shorter (2.11 Å) and one longer (2.14 Å) Bi(1)-O(1) bond length. N(1) is bonded in a distorted bent 120 degrees geometry to one C(3), one C(4), and one Bi(1) atom. There are three 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(3) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(4) atom. There are five inequivalent O sites. In the first O site, O(5) is bonded in a single-bond geometry to one C(7) atom. In the second O site, O(1) is bonded in a water-like geometry to two equivalent Bi(1) atoms. In the third O site, O(2) is bonded in a distorted bent 120 degrees geometry to one C(6) and one Bi(1) atom. In the fourth O site, O(3) is bonded in a distorted water-like geometry to one C(7) and one Bi(1) atom. In the fifth O site, O(4) is bonded in a distorted single-bond geometry to one C(6) and one Bi(1) atom. Linkers: 2 [O]C(=O)c1ccncc1C([O])=O. Metal clusters: 2 [Bi]. The MOF has largest included sphere 1.80 A, density 3.33 g/cm3, surface area 1817.48 m2/g, accessible volume 0.03 cm3/g