ISSN:
1573-9171
Keywords:
2-aminoazoles
;
Pearson acids
;
complexes
;
regioselective coordination
;
quantum-chemical calculation
;
thermodynamic stability
Source:
Springer Online Journal Archives 1860-2000
Topics:
Chemistry and Pharmacology
Notes:
Abstract Relative thermodynamic stabilities and competitive bonding (regioselective coordination) of Pearson acids MCl2 (hard BeCl2, intermediate ZnCl2, and soft HgCl2) with aminohetero-cycles L (2-aminooxazole, 2-aminothiazole, and 2-aminoimidazole) have been calculated by the quantum-chemical MNDO method. It follows from the results of the calculation that in tetrahedral MCl2·2L complexes the coordination bond is formed by the endocyclic pyridine-type nitrogen atom independent of the type of ligands.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00713592
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