The Preparation of Strictly Halide Complexes of Copper(II) and Their EPR Spectra

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概要

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• Some copper complexes which have only chloride ions in the coordination spheres have been prepared and their EPR spectra examined at the microwave frequency of the X-band. Most of these compounds gave single EPR lines with half-widths ranging from 110 to 220 oe; this seems to indicate the existence of superexchange interaction. Only the yellow plates of dimelammonium hexachlorocuprate-(II) showed the fine structure of an anisotropic <I>g</I>-tensor, from which fact the <I>g</I>-components were evaluated as <I>g</I><SUB>||</SUB>=2.32 and <I>g</I><SUB>⊥</SUB>=2.08 for this compound. The dark green color of diethylenetriammonium chlorocuprate(I, II) is probably due to the interaction of Cu<SUP>+</SUP> and Cu<SUP>2+</SUP> in the crystal lattices. Brown chlorocuprates with a chlorine to copper ratio of 3 : 1 are probably coordination polymers ; the EPR lines of these compounds are so broad as to cover thousands of oersteds.

• 社団法人 日本化学会の論文

著者

• Mori Masayasu

  Faculty of Science Osaka City University

• Mori M.

  Faculty of Science Osaka City University

• Fujiwara Shizuo

  Faculty of Science The University of Tokyo

関連論文

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