Unusual Capping Chalcogenide Dependence of the Luminescence Quantum Yield of the Hexarhenium(III) Cyano Complexes [Re6(μ3-E)8(CN)6]4−, E2− = Se2− > S2− > Te2−

Hexarhenium(III) clusters [Re6(μ3-E)8(CN)6]4− (E2− = S2−, Se2−, Te2−) are luminescent at room temperature with the emission quantum yield and lifetime in the order E2− = Se2− > S2− >> Te2− both in acetonitrile and water.

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