Cr3C24H12O13 is alpha Po structured and crystallizes in the cubic Pm-3m space group. The structure is zero-dimensional and consists of one Cr3C24H12O13 cluster. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(4) and four equivalent O(2) atoms to form corner-sharing CrO5 square pyramids. The Cr(1)-O(4) bond length is 1.90 Å. All Cr(1)-O(2) bond lengths are 1.85 Å. In the second Cr site, Cr(2) is bonded to one O(4), two equivalent O(1), and two equivalent O(3) atoms to form corner-sharing CrO5 square pyramids. The Cr(2)-O(4) bond length is 1.96 Å. Both Cr(2)-O(1) bond lengths are 1.77 Å. Both Cr(2)-O(3) bond lengths are 1.86 Å. There are seven inequivalent C sites. In the first C site, C(6) is bonded in a bent 120 degrees geometry to one C(7) and two equivalent O(3) atoms. The C(6)-C(7) bond length is 1.46 Å. Both C(6)-O(3) bond lengths are 1.33 Å. In the second C site, C(7) is bonded in a trigonal planar geometry to one C(6) and two equivalent C(5) atoms. Both C(7)-C(5) bond lengths are 1.39 Å. In the third C site, C(1) is bonded in a distorted single-bond geometry to one C(3) and one H(1) atom. The C(1)-C(3) bond length is 1.40 Å. The C(1)-H(1) bond length is 1.13 Å. In the fourth C site, C(2) is bonded in a bent 120 degrees geometry to one C(3), one O(1), and one O(2) atom. The C(2)-C(3) bond length is 1.47 Å. The C(2)-O(1) bond length is 1.26 Å. The C(2)-O(2) bond length is 1.26 Å. In the fifth C site, C(3) is bonded in a trigonal planar geometry to one C(1), one C(2), and one C(4) atom. The C(3)-C(4) bond length is 1.39 Å. In the sixth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(3), one C(4), and one H(2) atom. The C(4)-C(4) bond length is 1.38 Å. The C(4)-H(2) bond length is 1.13 Å. In the seventh C site, C(5) is bonded in a distorted single-bond geometry to one C(7) and one H(3) atom. The C(5)-H(3) bond length is 1.13 Å. There are three inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) 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. There are four inequivalent O sites. In the first O site, O(4) is bonded in a trigonal planar geometry to one Cr(1) and two equivalent Cr(2) atoms. In the second O site, O(1) is bonded in a bent 150 degrees geometry to one Cr(2) and one C(2) atom. In the third O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Cr(1) and one C(2) atom. In the fourth O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Cr(2) and one C(6) atom. Linkers: 36 [O]C(=O)c1ccc(C([O])=O)cc1. Metal clusters: 12 [C]1O[Cr]23O[C]O[Cr]45(O1)O[C]O[Cr](O[C]O2)(O[C]O3)(O[C]O4)O5. RCSR code: reo-e. The MOF has largest included sphere 24.10 A, density 0.57 g/cm3, surface area 3685.96 m2/g, accessible volume 1.42 cm3/g