University of Tehran Journal of Sciences, Islamic Republic of Iran 1016-1104 23 3 2012 09 01 Sn(IV) Compounds Interaction with Metal-Schiff Base Complexes Sn(IV) Compounds Interaction with Metal-Schiff Base Complexes 225 230 30531 EN M. Mohammadikish Chemistry Department, Faculty of Sciences, Kermanshah Branch, Islamic Azad University, Journal Article 1970 01 01 The formation constants and Gibbs free energy for the interaction of RnSnClm (n = m = 2, R = Me, Ph, n-Bu or n = 4, m = 0, R = Ph) compounds as acceptors, with ML complexes (H2L = N,N'-bis(salicylidene)-2-aminobenzylamine (salabza-H2) and its derivatives, M = Mn2+ or Zn2+), as donors in N,N'-dimethylformamide (DMF) as solvent were studied. These parameters were measured by using UV-vis spectrophotomety titration for 1:1 adduct formation of the selected complexes at 25 (±0.1) °C in the 200-500 nm regions. The trend of adduct formation constants between metal Schiff base complexes as donors and tin(IV) as acceptor decreases as follow: Me2SnCl2> Ph2SnCl2 > n-Bu2SnCl2> Ph4Sn [M(5-OMe-salabza)]>[M(salabza)]>[M(5-Br-salabza)]>[M(5-NO2-salabza)] Zn > Mn https://jsciences.ut.ac.ir/article_30531_6f106280bc89b4a9a82c905e82d052f1.pdf