Spectra and structure of asymmetric carboxylic acid dimers in solution
β Scribed by N. S. Golubev; G. S. Denisov
- Publisher
- Springer US
- Year
- 1982
- Tongue
- English
- Weight
- 547 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0021-9037
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The crystal and molecular structures of indole-2-carboxylic acid (ICA) have been determined using single crystal X-ray diffraction, infrared spectroscopy and theoretical methods. The crystals are orthorhombic, space group Pna2 1 , with a ΒΌ 30:144Γ°6Γ A Λ, b ΒΌ 6:466Γ°1Γ A Λ, c ΒΌ 3:819Γ°1Γ A Λ, V ΒΌ 744:
The resolved multiplet structure of carboxylic ring bands observed for benzoic acid and d,-deuterated benzoic acid by IR and Raman spectroscopy at low temperatures is not in agreement with previous assignments. The temperature dependence of half-widths of some other vibrational bands reveals that mo
The infrared spectra of benzoic and deuterobenzoic acids isolated in Ar matrices were measured using the matrix-to-sample (M/S) ratios 750 and 250. The spectra were interpreted both by AMI semiempirical and variational methods. The calculation of the potential energy surface of benzoic acid monomer