Vibrational spectra and normal coordinate calculations for trimethylaluminium-ammonia.

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概要

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• Studies were carried out on the infrared spectra (33–4000 cm<SUP>−1</SUP>) of four isotopic trimethylaluminium–ammonia complexes, (CH<SUB>3</SUB>)<SUB>3</SUB>AlNH<SUB>3</SUB>, (CD<SUB>3</SUB>)<SUB>3</SUB>AlNH<SUB>3</SUB> (CH<SUB>3</SUB>)<SUB>3</SUB>AlND<SUB>3</SUB>, and (CD<SUB>3</SUB>)<SUB>3</SUB>AlND<SUB>3</SUB> in the solid state at low temperature, and on the Raman spectra (0–4000 cm<SUP>−1</SUP>) in the solid state and in solution of dichloromethane and of benzene at ambient temperature. Assignments for all fundamentals except internal torsion were made on the basis of C<SUB>3v</SUB> molecular symmetry. For the sake of confirmation normal coordinate calculations were carried out utilizing a symmetry force field. The Al–N stretching force constant was found to be 1.544 mdyn/Å.

• 公益社団法人 日本化学会の論文

著者

• Shimizu Shigenori

  Department of Applied Science, Faculty of Engineering, Tohoku University

関連論文

• Vibrational spectra and normal coordinate calculations for trimethylaluminium-ammonia.

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