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Molecular Inorganic Silicon Chemistry: Steric Effect on the Formation, Structure, and Reactions of Pentacoordinate Siliconium Ion Salts
Kalikhman I., Gostevskii B., , Kost D., Kocher N., Stalk D.
Published in Wiley-VCH Verlag GmbH
Pages: 297 - 302
Bulky monodentate ligands affect the structure and reactivity of siliconium ion complexes in several ways: they enhance ionization, they promote a methyl halide elimination reaction, and they severely distort complex geometries. The latter effect enabled the assembly of a reaction coordinate model for the Berry pseudorotation, composed of crystal structures with varying NSiN and OSiO bond angles. In a competition between opposing effects of electron withdrawal by CF3 and steric bulk of a cyclohexyl ligand in the same molecule, a nonionic dissociation of the dative N→Si bond was observed. © 2005 WILEY-VCH Verlag GmbH & Co. KGaA.
About the journal
JournalData powered by TypesetOrganosilicon Chemistry VI: From Molecules to Materials
PublisherData powered by TypesetWiley-VCH Verlag GmbH
Open AccessNo