The title compound, [Cr(CsH4NOS)3].(CH3)2CO, contains a Crm(mpo)3 unit (Hmpo = 2-mercaptopyridine-N-oxide) and (CH3)2CO. Each mpo-ligand chelates to the Cr atom via one O and one S atom with an average bite angle of 83.3 (1) °, forming a distorted octahedral O3S3 coordination environment of the Cr atom. The average Cr--S and Cr--O bond distances are 2.363 (1) and 1.986 (2) .A, respectively.
In the title compound, [Cu(C17H15NO3)(C3H4N2)], the CuII atom is four-coordinated by two O atoms and the N atom of the tridentate Schiff base ligand, and one N atom from the imidazole ligand in a distorted square-planar geometry. In the crystal structure, molecules are linked into dimers by intermolecular N—H⋯O hydrogen bonds.
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