Abstract
We report preparation and characterization of two mononuclear cobalt(III) and cobalt(II) complexes: HL[CoIII(L)2(NCS)4]·2H2O (1) and [CoII(L)2(NCS)2(H2O)2]·2H2O (2), where L=2-aminopyrimidine. The most essential feature was isolation in one pot syntheses cobalt(III) complex(1), from the system containing zerovalent cobalt, 2-aminopyrimidine and NH4NCS. Crystal structures and infrared (IR, FIR) of both isolated complexes have been analyzed and discussed. The spectra were interpreted on the basis of theoretical (DFT) calculations and Potential Energy Distribution (PED) analysis. Both experimental and theoretical methods provided the results of reasonable compatibility. The thermal behavior of the isolated complexes has been also investigated by TG and DTG techniques.
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