Thermo-and Photoinduced Properties of the Fe(III) Complexes with the Pentadentate Ligand According to the EPR Data

摘要

Compounds [Fe(Salten)L]BPh4 (Salten = N,N-bis[(2-oxyphenyl)methylene]-4-azaheptane1,7-diamine; L = Him (I) and Pic (II)) were studied by the EPR method in the temperature range from 5 to 300 K. The thermoinduced spin transition is observed in compound II. Its thermodynamic parameters and parameters of the ground electronic low-spin state were determined. The effect of decreasing the intensity of the stationary EPR signal upon laser pulse irradiation at X = 532 nm was observed in the studied samples.