MnH10(C7O3)2 crystallizes in the monoclinic P2/c space group. Mn(1) is bonded in a trigonal bipyramidal geometry to one O(2), two equivalent O(1), and two equivalent O(3) atoms. The Mn(1)-O(2) bond length is 2.06 Å. Both Mn(1)-O(1) bond lengths are 2.07 Å. Both Mn(1)-O(3) bond lengths are 2.14 Å. There are seven inequivalent C sites. In the first C site, C(4) is bonded in a distorted trigonal planar geometry to one C(3), one C(5), and one O(4) atom. The C(4)-C(3) bond length is 1.40 Å. The C(4)-C(5) bond length is 1.40 Å. The C(4)-O(4) bond length is 1.38 Å. In the second C site, C(5) is bonded in a distorted single-bond geometry to one C(4) and one H(3) atom. The C(5)-H(3) bond length is 1.09 Å. In the third C site, C(6) is bonded in a distorted single-bond geometry to one C(1) and one H(4) atom. The C(6)-C(1) bond length is 1.40 Å. The C(6)-H(4) bond length is 1.09 Å. In the fourth C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(1), and one O(3) atom. The C(7)-C(1) bond length is 1.48 Å. The C(7)-O(1) bond length is 1.27 Å. The C(7)-O(3) bond length is 1.29 Å. In the fifth C site, C(1) is bonded in a trigonal planar geometry to one C(2), one C(6), and one C(7) atom. The C(1)-C(2) bond length is 1.41 Å. In the sixth C site, C(2) is bonded in a distorted trigonal planar geometry to one C(1), one C(3), and one H(1) atom. The C(2)-C(3) bond length is 1.39 Å. The C(2)-H(1) bond length is 1.09 Å. In the seventh C site, C(3) is bonded in a distorted trigonal planar geometry to one C(2), one C(4), and one H(2) atom. The C(3)-H(2) bond length is 1.09 Å. There are five 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(5) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(6) atom. In the fifth H site, H(5) is bonded in a distorted linear geometry to one O(2) and one O(3) atom. The H(5)-O(2) bond length is 1.00 Å. The H(5)-O(3) bond length is 1.60 Å. There are four inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Mn(1) and one C(7) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Mn(1) and two equivalent H(5) atoms. In the third O site, O(3) is bonded in a trigonal planar geometry to one Mn(1), one C(7), and one H(5) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to two equivalent C(4) atoms. Linkers: 2 [O]C(=O)c1ccc(Oc2ccc(C([O])=O)cc2)cc1. Metal clusters: 2 [Mn]. RCSR code: sql. The MOF has largest included sphere 1.83 A, density 1.69 g/cm3, surface area 4056.97 m2/g, accessible volume 0.11 cm3/g