A reinvestigation of small-angle electron scattering by CS2 and CCl4 molecules.

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概要

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• A small-angle electron-diffraction unit (<I>Jpn. J. Appl. Phys.</I>, <B>11</B>, 1199 (1972)) has been improved by enlarging the scattering chamber and installing a new nozzle system and a better counting unit. The intensities of 50 keV electrons scattered by CS<SUB>2</SUB> and CCl<SUB>4</SUB> molecules have been measured with a ≈1% precision in the <I>s</I>-range from 1 to 11.5 Å<SUP>−1</SUP>. Theoretical intensities have been calculated for the independent-atom model by taking into account the intramolecular double-scattering effect, and those intensities have been compared with the experimental intensities. The oscillatory feature appearing in the difference function, Δσ(<I>s</I>)=<I>s</I><SUP>4</SUP>(<I>I</I><SUB>exptl</SUB>–<I>I</I><SUB>IAM</SUB>), of CCl<SUB>4</SUB> has been ascribed mainly to the deformation of the one-electron density in chlorine atoms by chemical binding.

• 公益社団法人 日本化学会の論文

著者

• Nagashima Makoto

  Department Of Applied Chemistry And Biochemistry Faculty Of Engineering Kumamoto University

• Konaka Shigehiro

  Department Of Chemistry Faculty Of Science Hokkaido University

• Kimura Masao

  Department of Chemistry Nagoya University

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