Thiodipropionate ZnII complexes: Synthesis, DFT studies, and X-ray structure of [{Zn(phen)(H2O)}2(μ-tdp) 2]·3H2O

The zinc thiodipropionate complex [Zn(tdp)] (1) [tdp = S(CH 2CH2COO)22-] was obtained by reaction of aqueous zinc dichloride with a 1:1 mixture of Na2CO 3 and thiodipropionic acid. The bonding preferences of the tdp anion were studied by DFT methods. The reaction of 1 with o-phenanthroline (phen) gave the dinuclear compound [{Zn(phen)(H2O)}2(μ-tdp) 2]·3H2O (2), which was characterized by X-ray analysis.