The Reflection Spectra of Würster's Salts

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概要

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• The reflections of <I>N</I>,<I>N</I>-dimethyl-<I>p</I>-phenylenediamine (WR) perchlorate, bromide, and iodide, and also of <I>p</I>-phenylenediamine (PD) perchlorate and bromide were measured over the range from 5000 to 42000 cm<SUP>−1</SUP> by Avery's method. The absolute absorption intensity and the refractive index of these solids were obtained by computer analysis. The absorption intensity of the solid was found to be, as a whole, larger than that of the dimer in solution; in particular, the CT band becomes broader and splits in a solid. Further, the anion was found to have a large effect on the electronic structure in the crystal. By taking account of these features of the spectrum and other experimental results, the WR salts were classified into two types according to their way of packing: Type I takes the dimer-unit structure (WRP) and Type II, the equidistantly-overlapped form (WRB and WRI).

• 公益社団法人 日本化学会の論文

著者

• Sakata Tadayoshi

  The Institute for Solid State Physics, The University of Tokyo

• Oohashi Yukako

  The Institute for Solid State Physics, The University of Tokyo

関連論文

• The Reflection Spectra of Simple Salts of the Tetracyanoquinodimethane Anion Radical
• The Reflection Spectra of Complex Salts of the Tetracyanoquinodimethane Anion Radical
• Charge-Transfer Interaction in Linear Chain Molecular Crystals
• Electronic Absorption Spectra and Electronic Structures of Some Würster's Blue Salts
• The Reflection Spectra of Würster's Salts

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