Prediction of stability constants of zinc(II) complexes with 2-aminobenzamide and amino acids

Abstract

We developed a model for the stability (log β_ZnLB) of Zn²⁺ mixed complexes (N = 16) with 2-aminobenzamide (L) and four amino acids (B) glycine, alanine, valine, and phenylalanine at 300, 310, 320, and 330 K. The model was based on the quadratic regression function of the molecular valence connectivity index of the third order, ³χ^v, yielded S.E. = 0.02. We also developed an overall model for K₁, K₂ and β_ZnLB of the same system at all of the four temperatures (N= 48). This model yielded S.E. = 0.05.