Structural Features of [{MoO2(Lbi)}2(μ-O)] Based Oxomolybdenum(VI) Complexes with Five-Coordinate Molybdenum(VI)

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Structural features of eight binuclear complexes with the general formula [{MoO2(L bi n )}2(μ-O)] (I–VIII) (Lbi is a bidentate chelate ligand, n = 1–8), in which the coordination number of Mo atoms is five, are considered. The parameter τ = (A–B)/60, where A and B are the greatest bond angles among the ten bond angles at the Mo atoms in coordination pentahedra, can be used as a criterion characterizing the coordination polyhedron of the molybdenum atom in complexes I–VIII. The parameter τ is zero for an ideal square pyramid and unity for an ideal trigonal bipyramid.