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Shielded bismuth chains: The reaction of Bi(SPh)3 with CuSPh in the presence of PPh4Cl and PhSSiMe3 produced the title cluster (see picture of the cluster core; Bi red, Cu blue, S yellow). A surprising structural feature is the branched Bi10 chain, which exhibits a structure expected for a neutral and yet unknown klado-Bi10 cluster.
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Ahlrichs et al. (2007) studied this question.
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