Effect of the carboxylate shift on the reactivity of zinc complexes in the gas phase
Language English Country United States Media print-electronic
Document type Journal Article, Research Support, Non-U.S. Gov't
PubMed
21381680
DOI
10.1021/ic2002767
Knihovny.cz E-resources
- MeSH
- Crystallography, X-Ray MeSH
- Quantum Theory MeSH
- Carboxylic Acids chemistry MeSH
- Models, Molecular MeSH
- Organometallic Compounds chemical synthesis chemistry MeSH
- Gases chemistry MeSH
- Zinc chemistry MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Names of Substances
- Carboxylic Acids MeSH
- Organometallic Compounds MeSH
- Gases MeSH
- Zinc MeSH
The effect of different modes of the carboxylato ligands on the reactivity of gaseous zinc-acetate complexes is reported. Using infrared multiphoton dissociation spectroscopy, it is demonstrated that the coordination of acetate in [(Imi)(n)Zn(CH(3)COO)](+) complexes (Imi = imidazole, n = 1-3) changes from bi- to monodentate upon coordination of the third imidazole ligand. This so-called carboxylate shift substantially influences the reactivity of the zinc-acetate complexes in comparison to complexes with monodentate counterions. The differences in reactivities are demonstrated on the ligand exchange reactions of [L(n)ZnX](+) (n = 2 or 3,; L = imidazole or pyridine; X = OH, Cl, CH(3)COO, and CH(3)CONHO).
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