Pseudohalide complexes of trialkylgallium(III)
- 1 January 1973
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 14,p. 1428-1432
- https://doi.org/10.1039/dt9730001428
Abstract
Trimethyl- and triethyl-gallium(III) react with NMe4X (X = CN, NCO, NCS, and N3) to form well defined complexes of general formula NMe4[R3GaX](R = Me or Et) and, with the exception of X = NCO and NCS, NMe4[(R3Ga)2X]. From i.r. and Raman spectra, it can be deduced that in the 1 : 1 [gallium(III) : pseudohalide] cyano-, cyanato-, and thiocyanato-complexes metal–pseudohalide bonding occurs between the gallium and carbon, the gallium and nitrogen, and the gallium and sulphur atoms respectively. The bonding between gallium and the cyanide ligand in the 2 : 1 complexes occurs through both the carbon and nitrogen atoms, whereas in the analogous azido-complexes, pseudohalide bonding to the metal occurs only through the α-nitrogen atoms.Keywords
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