Abstract
The following palladium(II) and platinum(ll) complexes of rhodanine (HRd) and 3-methylrhodanine (MRd) have been prepared: Pd(HRd)1.5Cl2, Pd(HRd)2Br2, Pd(HRd)2Br2 · 0.25 EtOH, M(MRd)2X2 [M = Pd, X = Cl (0.25 EtOH) or Br; M = Pt, X = Cl or Br], Pd(MRd)3Br2, and M(MRd)4(ClO4)2 (M = Pd or Pt). The ligands are coordinated to the metal through the thiocarbonylic sulphur atom. Pd(HRd)1.5Cl2 has presumably a structure such as (X = Cl or Br) complexes have a trans-planar coordination. Pd(MRd)2X2 (X = Cl or Br) complexes arecis-planar coordinated. Pd(MRd)3Br2 has presumably a square coordination with two MRd molecules and two CI ionscis-coordinated in the equatorial plane, and a MRd molecule and a Cl ion weakly bonded in apical position. The M(MRd)4(ClO4)2 complexes have square planar coordination.
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