Isocyanide-phosphine Complexes of Cobalt(I)

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概要

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• Diamagnetic penta-coordinate Co(I) complexes of formula, [Co(<I>p</I>-CH<SUB>3</SUB>C<SUB>6</SUB>H<SUB>4</SUB>NC)<SUB>4</SUB>(PPh<SUB>3</SUB>)]X (<B>1</B>) and [Co-(<I>p</I>-CH<SUB>3</SUB>C<SUB>6</SUB>H<SUB>4</SUB>NC)<SUB>3</SUB>(PPh<SUB>3</SUB>)<SUB>2</SUB>]X (<B>2</B>) (X=Cl<SUP>−</SUP>, Br<SUP>−</SUP>, I<SUP>−</SUP>, ClO<SUB>4</SUB><SUP>−</SUP>, BPh<SUB>4</SUB><SUP>−</SUP>) were obtained from CoX(PPh<SUB>3</SUB>)<SUB>3</SUB> or CoX<SUB>2</SUB>(PPh<SUB>3</SUB>)<SUB>2</SUB>. Their <SUP>1</SUP>H NMR spectra served to deduce the trigonal bipyramidal structure. The aromatic ring proton NMR spectra and the IR CN stretching absorptions of radial modes were discussed in terms of the dπ-pπ back bonding.

• 公益社団法人 日本化学会の論文

著者

• Otsuka Sei

  Department of Chemistry, Faculty of Engineering Science, and Department of Polymer Science, Faculty of Science, Osaka University

• Rossi Michele

  Department of Chemistry, Faculty of Engineering Science, Osaka University

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