Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Comparison of the Ligating Ability of Anonic Transition Metal Complex $(Mn(CO)_{5}{^-})$, Transition Metal Hydrides $(HCr(CO)_{5}{^-},\;HW(CO)_{5}{^-},\;cis-HW(CO)_{4}P(OMe)_{3}{^-},\;HFe(CO)_{4}{^-},\;trans-\;HFe(CO)_{3}P(OMe)_{3}{^-})$, and Traditional Ligands $(Br^-,\;P(C_{6}H_{5})_{3})\;to\;M(CO)_{5}{^0}$ (M = Cr, W)

  • Park, Yong K (Department of Chemistry, Kangwon National University) ;
  • Han, In S (Department of Chemistry, Kangwon National University) ;
  • Marcetta Y. Darensbourg (Department of Chemistry, Texas A&M University, College Station)
  • Published : 1994.06.20
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Abstract

Heterobimetallic complexes have a donor-accepter metal-metal bond in which two electrons from the electron-rich metal moiety are donated to the other electron-deficient one. Based on the competition reactions, Cotton-Kraihanzel force constants, ν(CO)IR band resolution and the relative nucleophilicity comparison of the donor ligands, the following relative ligating ability of the donor ligands toward $M(CO)_5$ (M=Cr, W) is assessed: cis-HW$(CO)_4P(OMe)_3^-$, $HW(CO)_5^-$ > $HCr(CO)_5^-$-$Br^-$ > trans-HFe$(CO)_3P(OMe)_3^-$ > $Mn(CO)_5^-$ > $HFe(CO)_4^-$ > PP$h_3$

Keywords

References

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