BeH4(C3O2)4 crystallizes in the cubic I-43d space group. Be(1) is bonded in a tetrahedral geometry to four equivalent O(1) atoms. All Be(1)-O(1) bond lengths are 1.62 Å. There are three inequivalent C sites. In the first C site, C(1) is bonded in a distorted single-bond geometry to two equivalent C(2) and one H(1) atom. Both C(1)-C(2) bond lengths are 1.39 Å. The C(1)-H(1) bond length is 0.93 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(3) and two equivalent C(1) atoms. The C(2)-C(3) bond length is 1.52 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(1), and one O(2) atom. The C(3)-O(1) bond length is 1.26 Å. The C(3)-O(2) bond length is 1.24 Å. H(1) is bonded in a single-bond geometry to one C(1) atom. There are two inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Be(1) and one C(3) atom. In the second O site, O(2) is bonded in a single-bond geometry to one C(3) atom. Linkers: 8 [O]C(=O)c1cc(C([O])=O)cc(C([O])=O)c1. Metal clusters: 6 O=[C]O[Be]O[C]=O.[O][C]=O.[O][C]=O. RCSR code: ctn. The MOF has largest included sphere 5.43 A, density 0.79 g/cm3, surface area 4779.93 m2/g, accessible volume 0.80 cm3/g