Organoplatinum compounds : III. [Me3PtCl04]4, preparative and structural aspects of a new organoplatinum cluster compound |
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Authors: | Boris Neruda Eberhard Glozbach Jörg Lorberth |
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Affiliation: | Fachbereich Chemie der Philipps-Universität, Lahnberge, D-3550 Marburg/Lahn Germany |
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Abstract: | Several methods for the preparation of Me3PtClO4 have been investigated: anhydrous, pure Me3PtCl04 was obtained by treating AgClO4 with Me3PtI in dry benzene. The compound issensitive to moisture and explodes on heat or shock treatment. Molecular weight determination indicates a tetrameric structure [Me3PtClO4]4, and spectroscopic data are consistent with this. Preliminary X-ray investigation of a single crystal indicates a crystal symmetry I4I/amd (Schoenflies: D194h) with four [Me3PtClO4]4 units in a tetragonal cell (a = b = 11.267(5); c = 25.09(1)) and local symmetry D2d of the [Me3PtCl04]4 structure. |
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