Valence structure of one-dimensional halogen bridged -PtPtXPtPtX- type complexes studied by 31P solid NMR

Noriyoshi Kimura, Hiroshi Ohki, Ryuichi Ikeda, Masahiro Yamashita

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49 Citations (Scopus)

Abstract

31P MAS NMR spectra in the solid state were measured on halogen-bridged one-dimensional complexes (NH4)4[Pt2X(pop)4] (pop: P2O5H2-2; X: Cl, Br, I) together with the corresponding binuclear PtII and PtIII monomer complexes containing [Pt2(pop)4]4- and [Pt2X2(pop)4]4- (X: Cl, Br, I) ions, respectively. The polymer complexes afforded two kinds of 31P resonance lines with chemical shifts of 20-40 and 50-70 ppm, values which are close to those in the monomer PtII and PtIII complexes, respectively. From the analysis of spectra and spin-lattice relaxation data, a mixed-valence -PtIIPtIIX PtIIIPtIIIX- type chain structure was concluded for the polymer complexes.

Original languageEnglish
Pages (from-to)40-45
Number of pages6
JournalChemical Physics Letters
Volume220
Issue number1-2
DOIs
Publication statusPublished - 1994 Mar 25
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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