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Crystal and molecular structures of tin(IV) dithiocarbamates: II. Tris (N,N-diethyldithiocarbamato) methyltin(IV), a seven-coordinated pentagonal bipyramidal complex

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Abstract

The crystal structure of the title compound has been determined from 2919 independent reflections measured by scintillation methods. The crystals are monoclinic, space groupP21/n , with cell parametersa = 10.041(3),b = 10.712(4),c = 24.295(7) Å, β = 93.17(5), andZ = 4. The structure was solved by Patterson and Fourier techniques, and refined by full-matrix least-squares methods toR = 0.058. The crystal structure consists of discrete, neutral, mononuclear, seven coordinated tin complexes. The geometry around the tin is a distorted pentagonal bipyramid with the methyl group axial, two dithiocarbamate ligands equatorial, and one dithiocarbamate bridging axial-equitorial. For the equatorial dithiocarbamates, each ligand has a short Sn-S distance [2.618(2) Å] and a longer Sn-S distance [2.761(12) Å]. For the other dithiocarbamate ligand there is a short axial Sn-S distance [2.481(2) Å] and a long equatorial Sn-S distance[2.817(2) Å]. The Sn-C distance has a rather normal value of 2.148(8) Å.

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  1. Department of Chemistry, University of Missouri-Columbia, 65211, Columbia, Missouri

    J. Steven Morris (Research scientist) & E. O. Schlemper

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  1. J. Steven Morris
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  2. E. O. Schlemper
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Steven Morris, J., Schlemper, E.O. Crystal and molecular structures of tin(IV) dithiocarbamates: II. Tris (N,N-diethyldithiocarbamato) methyltin(IV), a seven-coordinated pentagonal bipyramidal complex. Journal of Crystal and Molecular Structure 8, 295–307 (1978). https://doi.org/10.1007/BF01200483

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  • DOI: https://doi.org/10.1007/BF01200483

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