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vol.50 número3ESTIMATING DENSITY AND PULPING YIELD OF E. globulus WOOD: COMPARISON OF NEAR-INFRARED (NIR) AND MID-INFRARED (MIR)CYCLIC VOLTAMMETRY OF 1-(n-HEXYL)-3-METHYL-5-PYRAZOLONE-BASED ENAMINES AND THEIR CHLOROMANGANESE(III) AND NITRIDOMANGANESE(V) COMPLEXES índice de autoresíndice de materiabúsqueda de artículos
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Journal of the Chilean Chemical Society

versión On-line ISSN 0717-9707

Resumen

CORNWELL, EDWARD; LARRAZABAL, GUILLERMO  y  DECINTI, ANTONIO. ELECTROTOPOLOGICAL STATE MODELING OF STABILITY CONSTANTS OF BINARY AND TERNARY COPPER(II) COMPLEXES WITH A-AMINO ACIDS. J. Chil. Chem. Soc. [online]. 2005, vol.50, n.3, pp.569-574. ISSN 0717-9707.  http://dx.doi.org/10.4067/S0717-97072005000300008.

The second stepwise formation constants of binary and ternary copper(II) complexes with a-amino acidate ligands are modeled by using four-descriptor sets consisting of three indexes defined as linear combinations of the E-states of some skeletal groups of the different species involved in the formation equilibria, and the logarithm of the statistical factor. Hydrophobicity and basicity properties of the ligands are also described. Results indicate that both hydrophobic interactions and ligand basicities, as differential factors over the sequence of copper(II) complexes, would operate mainly through changes in the stability of the copper(II)-carboxylate bonds

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