Organosilicon compounds. Part L. Kinetics of the thermal decomposition of bis(trimethylsilyl)mercury in solution
- 1 January 1973
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 2
- No. 4,p. 366-369
- https://doi.org/10.1039/p29730000366
Abstract
The thermal decomposition of solutions of bis(trimethylsilyl)mercury in benzene or cyclohexane shows second-order kinetics, except that a small first-order contribution appears at very low concentrations in cyclohexane. In toluene mixed second- and (pseudo)-first-order kinetics are observed, and in anisole, (pseudo)-first-order kinetics only. Bis(trimethylsilyl)mercury appears to decompose mainly by bimolecular reactions, either with itself or with the solvent, with unimolecular homolysis seemingly unimportant. From the small first-order contribution to the reaction in cyclohexane, a rough lower limit of 200 kJ mol–1 for D(Me3Si–HgSiMe3) can be derived.Keywords
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