A new structural form of tin in a cubic cluster

Kumara Swamy, K. C. ; Day, Roberta O. ; Holmesa, Robert R. (1995) A new structural form of tin in a cubic cluster Phosphorus, Sulfur, and Silicon and the Related Elements, 99 (1-4). pp. 65-68. ISSN 1042-6507

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Related URL: http://dx.doi.org/10.1080/10426509508031337


We have reported new forms of tin comprised of oligomeric oxotin carboxylates that are based on the compositions [R'Sn(O)O2CR]61-5 and [(R'Sn(O)O2CR)2-R'Sn(O2CR)3]2.2-5 These have "drum" and "ladder" structures, respectively. We also reported the oxygen-capped cluster, [(n-BuSn(OH)O2PPh2)3O]-[Ph2PO2],6 which has tin in a partial cubic array surrounded by chelating phosphinate groups. In all of these forms, tin generally is octahedrally coordinated. One useful synthetic route for their formation employs the interaction of an alkyl or aryl stannoic acid with either a carboxylic acid or a phosphorus-containing acid.

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