Title: The Puzzle of Cp(CO)<sub>2</sub>Mn(HSiCl<sub>3</sub>): Classical or Nonclassical?
Abstract:29Si NMR, photoelectron spectroscopy (PES), and DFT calculations provided apparently contradictory descriptions of the bonding situation in Cp(CO)2Mn(HSiCl3), because measurement of a large J(Si-H) co...29Si NMR, photoelectron spectroscopy (PES), and DFT calculations provided apparently contradictory descriptions of the bonding situation in Cp(CO)2Mn(HSiCl3), because measurement of a large J(Si-H) coupling constant and calculation of short Si−H distances appeared not to fit well the observation of a Mn(III) center by PES. Analysis of the Si−H bonding in Cp(CO)2Mn(HSiCl3) in terms of the Dewar−Chatt−Duncanson model, however, shows that these three independent methods give consistent data if one takes into account that direct donation from the Si−H bonding orbital to metal should be much less than in the related silane complexes Cp(CO)2Mn(HSiR3) (R = alkyl, aryl), resulting in residual Si−H bonding with significant 3s Si character.Read More
Publication Year: 2003
Publication Date: 2003-03-21
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 33
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