Y3(C3O8)2(CH)6 crystallizes in the cubic Pn-3 space group. The structure is zero-dimensional and consists of forty-eight 02329_fluka molecules and four Y3(C3O8)2 clusters. In each Y3(C3O8)2 cluster, Y(1) is bonded in a 8-coordinate geometry to one O(2), one O(3), one O(4), one O(5), one O(6), and three equivalent O(1) atoms. The Y(1)-O(2) bond length is 2.32 Å. The Y(1)-O(3) bond length is 2.32 Å. The Y(1)-O(4) bond length is 2.32 Å. The Y(1)-O(5) bond length is 2.33 Å. The Y(1)-O(6) bond length is 2.31 Å. There are two shorter (2.31 Å) and one longer (2.32 Å) Y(1)-O(1) bond length. There are two inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(2) and one O(5) atom. The C(1)-O(2) bond length is 1.30 Å. The C(1)-O(5) bond length is 1.24 Å. In the second C site, C(4) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(4) atom. The C(4)-O(3) bond length is 1.27 Å. The C(4)-O(4) bond length is 1.28 Å. There are six inequivalent O sites. In the first O site, O(6) is bonded in a trigonal non-coplanar geometry to three equivalent Y(1) atoms. In the second O site, O(1) is bonded in a trigonal non-coplanar geometry to three equivalent Y(1) atoms. In the third O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Y(1) and one C(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Y(1) and one C(4) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Y(1) and one C(1) atom. In the sixth O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Y(1) and one C(4) atom. Linkers: 24 [O]C(=O)/C=C/C([O])=O. Metal clusters: 2 O=[C]O[Y]1(O[C]=O)O[Y](O[C]=O)(O[C]=O)O[Y]2(O[C]=O)(O[C]=O)O[Y]3(O[C]=O)(O[C]=O)O[Y](O[C]=O)(O[C]=O)(O1)O[Y](O[C]=O)(O[C]=O)(O2)O3 ,1 O=[C]O[Y]1(O[C]=O)O[Y]23(O[C]=O)O[C]O[Y]4(O[C]=O)(O[C]O[Y]5(O[C]=O)(O[C]=O)O[Y](O[C]=O)(O[C]=O)(O2)O[Y](O[C]=O)(O[C]=O)(O5)O4)(O1)O3 ,1 O=[C]O[Y]1(O[C]=O)O[Y]2(O[C]=O)(O[C]=O)O[Y]34(O[C]=O)O[C]O[Y](O[C]=O)(O[C]=O)(O[Y](O[C]=O)(O[C]=O)O3)(O4)O[Y](O[C]=O)(O[C]=O)(O1)O2. RCSR code: fcu. The MOF has largest included sphere 8.17 A, density 1.40 g/cm3, surface area 2538.93 m2/g, accessible volume 0.43 cm3/g