The new complexes (OC)5MSC(X)Y (8-5) are obtained by reaction of (OC)5MTHF (1) [M = Cr (a), Mo (b), W (c)] with different thiocarbonate, thiourea and thiourethane ligands S = C(X)Y (2a-h). Structure and bonding conditions are discussed on the basis of their IR and 13C NMR spectra. From the spectroscopic data the ligands 2a-h can be arranged in a row with increasing π-acceptor properties.
Received: 1977-6-27
Published Online: 2014-6-2
Published in Print: 1977-10-1
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