The mononuclear complex salt, [Cu(C3H5NS2)(C6H8N2S3)]NO3, contains a [C9H13CuN3S5]+cation and an NO3−anion. All of the non-H atoms of the cation lie on a mirror plane, as do the N and one O atom of the nitrate anion, such that the planes of the cation and anion are mutually orthogonal. The cationic complex adopts a slightly distorted trigonal–planar geometry about the CuIcation. In the crystal, layers parallel to (010) are generated by N—H...O hydrogen bonds, supported by short S...O [3.196 (4) and 3.038 (3) Å] and S...S contacts [3.4392 (13) Å]. Adjacent layers are linked by C—H...O hydrogen bonds and weak π–π stacking interactions [centroid–centroid distance = 4.0045 (10) Å] between the thiazoline rings, forming a three-dimensional network. This stacking also imposes a close contact, of approximately 3.678 Å, between the CuIcations and the centroids of the six-membered chelate rings of molecules in adjacent layers.
In the mononuclear title complex, [CuI(CH3CN)(C18H15P)2], the CuI ion is in a distorted tetrahedral geometry, coordinated by two P atoms of two triphenylphosphane ligands, one N atom of an acetonitrile ligand and one iodide anion. The acetonitrile ligand is disordered over two sets of sites in a 0.629 (15): 0.371 (15) ratio. In the crystal, weak C—H⋯I hydrogen bonds link the molecules, forming a chain along [100].
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