Abstract
AbstractIn this review, 260 monomeric Pt(II) complexes are summarized and analyzed in which the inner coordination sphere is built up by a pair of organomonophosphines and two chlorine atoms (PtP2Cl2). These complexes are crystallized in four crystal systems: tetragonal (x17)<orthorhombic (x31)<triclinic (x90)<monoclinic (x122). The square-planar environments have cis- and trans-configurations. The former by far prevails. The mean Pt-L bond distances (cis- vs. trans-configurations) are 2.347 Å (Cl, trans to P) and 2.230 Å (P, trans to Cl) vs. 2.307 Å (Cl, trans to Cl) and 2.320 Å (P, trans to P). There are two types of isomerisms: cis-, trans- and distortion. In general, the derivatives with a cis-configuration are somewhat more distorted than that with a trans-configuration.
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