Issue 17, 1976
From the journal:

Journal of the Chemical Society, Dalton Transactions

Bonding studies of transition–metal complexes. Part III. He(I) photoelectron spectra of three-co-ordinate homoleptic bis(trimethylsilyl)amides of scandium, titanium, chromium, iron, gallium, and indium

Michael F. Lappert,   J. Brian Pedley,   Graham J. Sharp  and  Donald C. Bradley  

Abstract

The He(I) photoelectron (p.e.) spectra of a number of three-co-ordinate metal amides M[N(SiMe3)2]3(M = Sc, Ti, Cr, Fe, Ga, or In) are presented. The spectrum of the d0 scandium compound shows two bands at ionisation potential (i.p.) <9 eV, which are assigned to lone-pair orbitals. The spectra of the open-shell compounds are very similar, and it is concluded that bands corresponding to ionisation from the metal 3d orbitals lie at i.p. >9 eV, or are masked by bands due to ionisation from nitrogen lone-pair orbitals (>8.1 eV). This is attributed to a strong –I effect of the ligand which, in contrast to the situation in corresponding dialkylamides such as V(NMe2)4, is not counterbalanced by a [graphic omitted] πinteraction because of strong competing [graphic omitted](p→d)π bonding.

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Article information

DOI
https://doi.org/10.1039/DT9760001737
Article type
Paper

J. Chem. Soc., Dalton Trans., 1976, 1737-1740

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Bonding studies of transition–metal complexes. Part III. He(I) photoelectron spectra of three-co-ordinate homoleptic bis(trimethylsilyl)amides of scandium, titanium, chromium, iron, gallium, and indium

M. F. Lappert, J. B. Pedley, G. J. Sharp and D. C. Bradley, J. Chem. Soc., Dalton Trans., 1976, 1737 DOI: 10.1039/DT9760001737

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