Abstract

The reactions of N-benzyliminodiacetic acid (BnidaH2) and its para-substituted derivatives, namely N-(p-chlorobenzyl)iminodiacetic acid (p-ClBnidaH2), N-(p-nitrobenzyl)iminodiacetic acid (p-NO2BnidaH2), and N-(p-methoxybenzyl)iminodiacetic acid (p-MeOBnidaH2) with sodium tetrachloropalladate(II) were performed in aqueous solutions. Three new complexes [Pd(p-ClBnidaH)2]·2H2O (2), [Pd(p-NO2BnidaH)2]·2H2O (3), and [Pd(p-MeOBnidaH)2] (4) were prepared and characterized by infrared spectroscopy and thermogravimetric and differential thermal analyses. The molecular geometry and infrared spectra of these three complexes, together with the previously synthesized [Pd(BnidaH)2]·2H2O (1a) and [Pd(BnidaH)2] (1b) were also modelled using density functional theory calculations at the BP86/6–311+G(d,p) level of theory with SDD pseudopotentials.

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