Аннотация:A new dinitrosyl iron complex of the composition [Fe(SC(NHCH3)2)2(NO)2]Cl (I) is obtained by direct nitrosylation of iron sulphate and a chloride solution of 1,3-dimethylthiourea. The characteristic features of the molecular and crystal structure of complex I is determined by sin-gle crystal X-ray diffraction analysis.