Carbonyl and Benzene Complexes of Lithium: Transition-Metal-Like Behaviour of Lithium in Organolithium Compounds
✍ Scribed by Matthias Tacke
- Publisher
- John Wiley and Sons
- Year
- 1998
- Tongue
- English
- Weight
- 379 KB
- Volume
- 1998
- Category
- Article
- ISSN
- 1434-1948
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✦ Synopsis
Complexes of CO and aromatic compounds were believed to thium starting compound suitable models were chosen in be an exclusive domain of transition metals caused by their combination with high-level ab initio calculations. For the ability of backbonding to these ligands. But recently, (benze-carbonyl derivative a reaction enthalpy of Ϫ8 kcal/mol was ne)lithium and (carbonyl)lithium complexes were character-found while the interaction with benzene reached unexpecized by X-ray structure analysis and IR spectoscopy. In order tedly Ϫ21 kcal/mol. This underlines the ability of lithium to to determine geometries of the complexes and the bonding act like a transition metal in subcoordinated organyl comenergies of the benzene and CO molecule to the organoli-pounds without having d orbitals available for bonding.