Crystal and molecular structure of diorganoammonium oxalatotrimethylstannate, [R 2NH 2][Me 3Sn(C 2O 4)] (Ri-Bu, cyclohexyl)

Reference:

Sow, Y., Diop, L., Molloy, K. C. and Kociok-Kohn, G., 2011. Crystal and molecular structure of diorganoammonium oxalatotrimethylstannate, [R 2NH 2][Me 3Sn(C 2O 4)] (Ri-Bu, cyclohexyl). Main Group Metal Chemistry, 34 (5-6), pp. 127-130.

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Official URL:

http://dx.doi.org/10.1515/mgmc-2011-0018

Abstract

The title compounds [R 2NH 2][C 2O 4SnMe 3](Ri-Bu, Cy), in which tin atoms adopt a distorted trigonal bipyramidal configuration, have been prepared and submitted to an X-ray diffraction study. These compounds have been obtained from the reaction of (Cy 2NH 2) 2C 2O 4· H 2O or (i-Bu 2NH 2) 2C 2O 4 with SnMe 3Cl. In both [R 2NH 2][C 2O 4SnMe 3] compounds, the trans complex has an almost regular trigonal bipyramidal geometry around the tin atom. The SnMe 3 residues are connected as a chain with bridging oxalate anions in a trans-SnC 3O 2 framework, the oxygen atoms being in axial positions. The cations connect linear adjacent chains through NH..O hydrogen bonds giving layered structures.

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