Superbase route to supertetrahedral chalcogenide clusters

Journal of the American Chemical Society
Tao WuPingyun Feng

Abstract

Supertetrahedral Tn clusters are exact fragments of a cubic ZnS type lattice. Thus far, Tn clusters up to T4 with 20 metal sites can be synthesized in a discrete molecular form. Yet, synthesis of larger discrete supertetrahedral clusters still remains a great challenge, likely due to the rapidly increasing negative charge on the cluster as the size goes up. By using organic superbases (DBN and DBU) to help stabilize the negative charge, a family of discrete supertetrahedral chalcogenide clusters with sizes spanning from T3 (10 metal sites) to T5 (35 metal sites) have been made. The T5 cluster represents the largest molecular supertetrahedral Tn cluster known to date.

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Citations

Mar 28, 2017·Coordination Chemistry Reviews·Sung Jun LimAndrew M Smith
Jun 3, 2017·Dalton Transactions : an International Journal of Inorganic Chemistry·Dandan HuTao Wu
Dec 15, 2015·Angewandte Chemie·Silke SantnerStefanie Dehnen
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