Unusual magnetic metal-cyanide cubes of ReII with alternating octahedral and tetrahedral corners.
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abstract
Two cyanide-bridged molecular cubes of general formula [{MCl} 4{ReII (triphos)(CN)3}4], M = Fe, Co (depicted), triphos=1,1,1.tris (diphenylphosphanylmethyl)ethane, and their magnetic properties are reported. The cubes are prepared in good yields from the reaction of the ReII complex [Et4N][ReII (triphos)(CN)3] with the appropriate divalent metal halide and consist of octahedral ReII and tetrahedral M corners bridged by cyanide ligands.