BaC12H10(NO4)2 crystallizes in the orthorhombic Ima2 space group. Ba(1) is bonded in a 8-coordinate geometry to one O(4), one O(5), two equivalent O(3), and four equivalent O(2) atoms. The Ba(1)-O(4) bond length is 2.92 Å. The Ba(1)-O(5) bond length is 2.76 Å. Both Ba(1)-O(3) bond lengths are 2.75 Å. There are two shorter (2.73 Å) and two longer (2.87 Å) Ba(1)-O(2) bond lengths. There are six inequivalent C sites. In the first C site, C(6) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(1), and one O(2) atom. The C(6)-C(2) bond length is 1.51 Å. The C(6)-O(1) bond length is 1.27 Å. The C(6)-O(2) bond length is 1.27 Å. In the second C site, C(1) is bonded in a distorted trigonal planar geometry to one C(1), one C(2), and one N(1) atom. The C(1)-C(1) bond length is 1.47 Å. The C(1)-C(2) bond length is 1.40 Å. The C(1)-N(1) bond length is 1.38 Å. In the third C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(6) atom. The C(2)-C(3) bond length is 1.40 Å. In the fourth C site, C(3) is bonded in a distorted single-bond geometry to one C(2) and one H(1) atom. The C(3)-H(1) bond length is 1.09 Å. In the fifth C site, C(4) is bonded in a distorted single-bond geometry to one C(5) and one H(2) atom. The C(4)-C(5) bond length is 1.38 Å. The C(4)-H(2) bond length is 1.09 Å. In the sixth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(4), one N(1), and one H(3) atom. The C(5)-N(1) bond length is 1.36 Å. The C(5)-H(3) bond length is 1.09 Å. N(1) is bonded in a trigonal planar geometry to one C(1), one C(5), and one O(3) atom. The N(1)-O(3) bond length is 1.31 Å. There are five inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(3) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(5) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(4) atom. The H(4)-O(4) bond length is 0.99 Å. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(5) atom. The H(5)-O(5) bond length is 0.99 Å. There are five inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one C(6) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to two equivalent Ba(1) and one C(6) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Ba(1) and one N(1) atom. In the fourth O site, O(4) is bonded in a water-like geometry to one Ba(1) and two equivalent H(4) atoms. In the fifth O site, O(5) is bonded in a water-like geometry to one Ba(1) and two equivalent H(5) atoms. Linkers: 2 [O]C(=O)c1ccc[n+]([O-])c1-c1c(C([O])=O)ccc[n+]1[O-]. Metal clusters: 2 [Ba]. The MOF has largest included sphere 2.51 A, density 2.15 g/cm3, surface area 3049.53 m2/g, accessible volume 0.07 cm3/g