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The Structure and Properties of (η-Cyclopentadienyl)(O-methyl dithiocarbonato)(triphenylphosphine)nickel(II)
Shimoi, Mamoru,Ouchi, Akira,Sato, Shoichi,Saito, Yoshihiko
, p. 2083 - 2088 (1982)
The title complex was synthesized, and the structure was determined by means of the X-ray diffraction technique.The crystal is triclinic; space group P, a=9.944(1), b=14.336(2), c=9.759(1) Angstroem, α=107.00(1), β=117.35(1), γ=76.55(1) deg, Z=2, Dx=1.40, Dm=1.36(3) g cm-3, μ(MoKα)=1.08 mm-1.The O-methyl dithiocarbonato ion acts as a unidentate ligand, and it is coordinated with the metal through one sulfur atom.The coordination number of the metal is 3 if the cyclopentadienyl is regarded as a unidentate ligand.A series of , , where R=CH3, C2H5, CH3(CH2)2, (CH3)2CH, or CH3(CH2)3; R'=C6H5, C6H5CH2, or CH3(CH2)3, were also obtained.The dissociation of the phosphine ligand of the complexes in solution was studied spectrophotometrically, and it was found that the more electron-donative the alkyl group of the O-alkyl dithiocarbonato ligand is, the weaker the phosphorus-nickel bond is.
