Dual descriptor and molecular electrostatic potential: complementary tools for the study of the coordination chemistry of ambiphilic ligands.

Abstract : In this paper, we show that the ambiphilic properties of some organic ligands in organometallic complexes may be retrieved readily from simple calculations in the framework of conceptual density functional theory (C-DFT): namely, the dual descriptor (DD) and the molecular electrostatic potential (MEP) of the ligands afford a rather straightforward interpretation of experimental trends such as the bonding geometry and the electronic properties of complexes in terms of σ-, π- and back-bonding. The studied ligands were chosen to be representative of the wide variety organometallic chemistry offers, ranging from neutral to charged systems and from diatomic to polyatomic molecules. The present approach is general since all relevant parameters are retrieved from the electron density, obtained either from a DFT or post-Hartree-Fock calculation. It is believed to be helpful for organometallic chemists, since it allows a deep understanding and may be used as a predictive tool of the coordinating properties of ligands.
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Article dans une revue
Physical Chemistry Chemical Physics, Royal Society of Chemistry, 2014, 16 (29), pp.15558-69. 〈10.1039/c4cp01613k〉
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Soumis le : lundi 6 octobre 2014 - 17:15:44
Dernière modification le : lundi 10 décembre 2018 - 15:16:09

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Frédéric Guégan, Pierre Mignon, Vincent Tognetti, Laurent Joubert, Christophe Morell. Dual descriptor and molecular electrostatic potential: complementary tools for the study of the coordination chemistry of ambiphilic ligands.. Physical Chemistry Chemical Physics, Royal Society of Chemistry, 2014, 16 (29), pp.15558-69. 〈10.1039/c4cp01613k〉. 〈hal-01071829〉

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