H. Hildebrandt et B. Engels, On the mechanism of the disproportionation of chlorinated silanes under the influence of Lewis bases, Z ANORG A C, 626(2), 2000, pp. 400-407
Citations number
39
Categorie Soggetti
Inorganic & Nuclear Chemistry
Journal title
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE
In the present work the influence of Lewis bases on the reaction mechanism
of the disproportionation of halodisilanes into silylenes and monosilanes i
s studied. The reaction profile of the disproportionation reaction is compu
ted in the absence as well as in the presence of Lewis bases such as NH3, P
H3, and OPH3. Differences between the reaction mechanisms are discussed in
terms of the barrier heights and the geometrical and electronic structures
of the transition states and products. The relevance of possible pre-comple
xes between the Lewis base and the disilane is discussed and competitive re
actions are addressed.