Tris[tri­phenyl­anti­mony(V)]hexa(μ-oxido)­tellurium(VI): a mol­ecular complex with six Te—O—Sb bridges

In the structure of the title compound [systematic name hexa-μ-oxido-1:2κ(4) O:O;1:3κ(4) O:O;1:4κ(4) O:O-nona­phenyl-2κ(3) C,3κ(3) C,4κ(3) C-tri­anti­mony(V)tel­lur­ium(VI)], [Sb(3)Te(C(6)H(5))(9)O(6)], the hexa­oxidotellurate(VI) ion is coordinated to three Sb(V) ions via pairs of cis-positioned O atoms to form a discrete mol­ecular unit. The Te(VI) and Sb(V) central ions exhibit distorted octa­hedral [TeO(6)] and distorted trigonal–bipyramidal [SbC(3)O(2)] coordination geometries, respectively. The linking of these polyhedra, by sharing the dioxide edges, results in the Te-based octa­hedron having a mer-configuration. The packing of the mol­ecules is dominated by C—H⋯O hydrogen bonding and weak dispersion forces, with a minor contribution from C—H⋯π bonds and π–π stacking inter­actions. According to the Hirshfeld surface analysis, the contributions of the H⋯H, H⋯C/C⋯H and H⋯O/O⋯H contacts are 58.0, 32.6 and 7.8%, respectively. The title structure provides a model for the bonding of triorgano­anti­mony dications to octa­hedral oxoanions, and the observed doubly bridged motifs, Te(μ-O)(2)Sb, may find application in the functionalization of polyoxometalate species.