Oxy-and thio-phosphorus acid derivatives of tin (IV). The crystal and molecular structure of O-methylmethylphosphatotriphenyltin (IV)

…, AP Hagen, D van der Helm, JJ Zuckerman

Index: Masters, J. G.; Nasser, F. A. K.; Hossain, M. B.; Hagen, A. P.; Helm, D. van der; Zuckerman, J. J. Journal of Organometallic Chemistry, 1990 , vol. 385, # 1 p. 39 - 48

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Abstract

Abstract O-Methylmethylphosphatotriphenyltin (IV)(II) is synthesized by treating stoichiometric amounts of O, O′-dimethylmonothiophosphatotriphenyltin (IV)(I) with mercury. The negative 119 Sn chemical shift in solution relative to tetramethyltin for I corresponds to higher than four coordination (at tin) in solution. The values of the 119 Sn Mössbauer isomer shift for I and II confirm the presence of tin as tin (IV). The magnitudes ...