SrH8(C3O4)2 crystallizes in the monoclinic P2_1/c space group. Sr(1) is bonded in a 9-coordinate geometry to one O(1), one O(2), one O(5), one O(6), one O(7), two equivalent O(3), and two equivalent O(4) atoms. The Sr(1)-O(1) bond length is 2.80 Å. The Sr(1)-O(2) bond length is 2.58 Å. The Sr(1)-O(5) bond length is 2.65 Å. The Sr(1)-O(6) bond length is 2.68 Å. The Sr(1)-O(7) bond length is 2.59 Å. There is one shorter (2.52 Å) and one longer (2.61 Å) Sr(1)-O(3) bond length. There is one shorter (2.69 Å) and one longer (2.89 Å) Sr(1)-O(4) bond length. There are six inequivalent C sites. In the first C site, C(1) is bonded in a distorted water-like geometry to one H(1) and one O(1) atom. The C(1)-H(1) bond length is 1.10 Å. The C(1)-O(1) bond length is 1.45 Å. In the second C site, C(2) is bonded in a distorted water-like geometry to one H(2) and one O(2) atom. The C(2)-H(2) bond length is 1.10 Å. The C(2)-O(2) bond length is 1.42 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(4) atom. The C(3)-O(3) bond length is 1.28 Å. The C(3)-O(4) bond length is 1.27 Å. In the fourth C site, C(4) is bonded in a distorted water-like geometry to one H(3) and one O(5) atom. The C(4)-H(3) bond length is 1.10 Å. The C(4)-O(5) bond length is 1.43 Å. In the fifth C site, C(5) is bonded in a distorted water-like geometry to one H(4) and one O(6) atom. The C(5)-H(4) bond length is 1.10 Å. The C(5)-O(6) bond length is 1.43 Å. In the sixth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one O(7) and one O(8) atom. The C(6)-O(7) bond length is 1.27 Å. The C(6)-O(8) bond length is 1.27 Å. There are eight 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(2) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(4) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(5) atom. In the fifth H site, H(5) is bonded in a distorted linear geometry to one O(5) and one O(7) atom. The H(5)-O(5) bond length is 1.01 Å. The H(5)-O(7) bond length is 1.62 Å. In the sixth H site, H(6) is bonded in a distorted linear geometry to one O(6) and one O(8) atom. The H(6)-O(6) bond length is 1.00 Å. The H(6)-O(8) bond length is 1.67 Å. In the seventh H site, H(7) is bonded in a linear geometry to one O(2) and one O(8) atom. The H(7)-O(2) bond length is 1.00 Å. The H(7)-O(8) bond length is 1.61 Å. In the eighth H site, H(8) is bonded in a single-bond geometry to one O(1) atom. The H(8)-O(1) bond length is 0.97 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted water-like geometry to one Sr(1), one C(1), and one H(8) atom. In the second O site, O(2) is bonded in a distorted water-like geometry to one Sr(1), one C(2), and one H(7) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to two equivalent Sr(1) and one C(3) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to two equivalent Sr(1) and one C(3) atom. In the fifth O site, O(5) is bonded in a distorted water-like geometry to one Sr(1), one C(4), and one H(5) atom. In the sixth O site, O(6) is bonded in a distorted water-like geometry to one Sr(1), one C(5), and one H(6) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Sr(1), one C(6), and one H(5) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one C(6), one H(6), and one H(7) atom. Linkers: 3 [O]C(=O)[C@@H](O)[C@H](O)[C@H](O)[C@@H](O)C([O])=O. Metal clusters: 4 [Sr]. The MOF has largest included sphere 2.83 A, density 2.06 g/cm3, surface area 2782.62 m2/g, accessible volume 0.12 cm3/g