LiZnH3(C3O2)3 crystallizes in the tetragonal P4_32_12 space group. Li(1) is bonded to one O(1), one O(4), one O(5), and one O(6) atom to form LiO4 tetrahedra that share  an edgeedge with one Zn(1)O4 trigonal pyramid. The Li(1)-O(1) bond length is 2.01 Å. The Li(1)-O(4) bond length is 1.88 Å. The Li(1)-O(5) bond length is 2.04 Å. The Li(1)-O(6) bond length is 1.90 Å. Zn(1) is bonded to one O(1), one O(2), one O(3), and one O(5) atom to form distorted ZnO4 trigonal pyramids that share  an edgeedge with one Li(1)O4 tetrahedra. The Zn(1)-O(1) bond length is 2.07 Å. The Zn(1)-O(2) bond length is 1.97 Å. The Zn(1)-O(3) bond length is 1.93 Å. The Zn(1)-O(5) bond length is 2.01 Å. There are nine inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(1), and one O(2) atom. The C(1)-C(4) bond length is 1.49 Å. The C(1)-O(1) bond length is 1.28 Å. The C(1)-O(2) bond length is 1.27 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(6), one O(3), and one O(4) atom. The C(2)-C(6) bond length is 1.50 Å. The C(2)-O(3) bond length is 1.30 Å. The C(2)-O(4) bond length is 1.25 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one C(8), one O(5), and one O(6) atom. The C(3)-C(8) bond length is 1.49 Å. The C(3)-O(5) bond length is 1.30 Å. The C(3)-O(6) bond length is 1.25 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(1), one C(5), and one C(9) atom. The C(4)-C(5) bond length is 1.40 Å. The C(4)-C(9) bond length is 1.40 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(4), one C(6), and one H(1) atom. The C(5)-C(6) bond length is 1.40 Å. The C(5)-H(1) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(2), one C(5), and one C(7) atom. The C(6)-C(7) bond length is 1.40 Å. In the seventh C site, C(7) is bonded in a distorted trigonal planar geometry to one C(6), one C(8), and one H(2) atom. The C(7)-C(8) bond length is 1.40 Å. The C(7)-H(2) bond length is 1.09 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one C(3), one C(7), and one C(9) atom. The C(8)-C(9) bond length is 1.39 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(4), one C(8), and one H(3) atom. The C(9)-H(3) bond length is 1.09 Å. There are three inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(5) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(7) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(9) atom. There are six inequivalent O sites. In the first O site, O(3) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(2) atom. In the second O site, O(4) is bonded in a bent 150 degrees geometry to one Li(1) and one C(2) atom. In the third O site, O(5) is bonded in a distorted trigonal non-coplanar geometry to one Li(1), one Zn(1), and one C(3) atom. In the fourth O site, O(6) is bonded in a bent 150 degrees geometry to one Li(1) and one C(3) atom. In the fifth O site, O(1) is bonded in a distorted trigonal planar geometry to one Li(1), one Zn(1), and one C(1) atom. In the sixth O site, O(2) is bonded in a bent 150 degrees geometry to one Zn(1) and one C(1) atom. Linkers: 8 [O]C(=O)c1cc(C([O])=O)cc(C([O])=O)c1. Metal clusters: 8 [Li] ,8 [Zn]. The MOF has largest included sphere 7.48 A, density 1.21 g/cm3, surface area 3489.14 m2/g, accessible volume 0.44 cm3/g