Tin(IV) halide complexes of AsPh3: The structures of trans-SnCl4(AsPh3)(2) and SnBr4(AsPh3)center dot AsPh3

M F Mahon, N L Moldovan, K C Molloy, A Muresan, I Silaghi-Dumitrescu, L Silaghi-Dumitrescu

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Abstract

The structures of two 1 : 2 adducts between tin(IV) halides and AsPh3 have been determined. SnCl4(AsPh3)(2) adopts a six-coordinate geometry at tin in which the two organoarsine donors are mutually trans. In contrast, SnBr4(AsPh3)(2) is five-coordinate at tin and only one arsine is directly bonded to the metal, in an axial site of the trigonal bipyramid. The second AsPh3 group has a close contact with the axially bound bromine [As...Br: 3.567(3) Angstrom], which is a unique structural variation that depicts an intermediate in a halogen-transfer reaction between Group 14 and Group 15 elements. AACVD using SnCl4(AsPh3)(2) generates a film containing SnO2 and a second crystalline material which is possibly SnCl2, but which contains no arsenic.
Original languageEnglish
Pages (from-to)4017-4021
Number of pages5
JournalDalton Transactions
Issue number23
DOIs
Publication statusPublished - 2004

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    Mahon, M. F., Moldovan, N. L., Molloy, K. C., Muresan, A., Silaghi-Dumitrescu, I., & Silaghi-Dumitrescu, L. (2004). Tin(IV) halide complexes of AsPh3: The structures of trans-SnCl4(AsPh3)(2) and SnBr4(AsPh3)center dot AsPh3. Dalton Transactions, (23), 4017-4021. https://doi.org/10.1039/b411342j