Abstract
The following silver(I) complexes of 4,6-dimethylpyrimidine-2(1H)-thione (HL) have been prepared and investigated by conductometric, infrared, and Raman methods: Ag(HL)X (X = Cl, Br, I, SCN), Ag(HL)2X (X = Cl, Br, I, NO3 (MeOH), ClO4 (0.25CHCl3), BF4 (0.25CHCl3)), AgmXn(H2L)n–m (X = Cl: m = 6, n = 11; Br: m = 2, n = 3; I: m = 5, n = 7), AgL, AgL•Ag(HL)NO3, AgL•[Ag(HL)X]2 (X = ClO4, BF4). The HL acts as N,S-chelating ligand in the Ag(HL)X and Ag(HL)2X (X = NO3,ClO4, BF4) complexes and partially in the Ag(HL)2X (X = Cl, Br, I) complexes in which the halide ion is still coordinated. In the AgmXn(H2L)n–m complexes the H2L+ ion is at least partially S-coordinated to some silver ions. In AgL, L− acts as tridentate ligand N,N,S-bridging the silver ions. In the AgL•Ag(HL)NO3 complex the nitrate ion is coordinated.
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