Single-crystal X-ray study T = 293 K Mean '(CΒ±C) = 0.006 A Γ R factor = 0.039 wR factor = 0.098 Data-to-parameter ratio = 9.7 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
Vibrational spectra of bis(L-ornithinium) chloride nitrate sulfate
β Scribed by S. Ramaswamy; R. K. Rajaram; V. Ramakrishnan
- Publisher
- John Wiley and Sons
- Year
- 2005
- Tongue
- English
- Weight
- 129 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0377-0486
- DOI
- 10.1002/jrs.1257
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β¦ Synopsis
The Raman and infrared absorption spectra of 2(C 5 H 14 N 2 O 2 2+ )β’Cl -β’NO 3 -β’SO 4 2-crystal containing three anions were recorded at room temperature and were interpreted in the light of crystal structure data. The presence of a carbonyl group was identified. The carboxylic group was found to exist as COOH. The formation of O -Hβ’ β’ β’O, N -Hβ’ β’ β’O and N -Hβ’ β’ β’Cl asymmetric hydrogen bonds contributes considerably to the crystal cohesion and is responsible for the changes in the position and intensity of several bands. The vibrational spectra show that the anions were found to coordinate through hydrogen bonding interactions to other ligands in the crystal. The lattice wavenumbers of the halide radical (chlorine anion) were also assigned in terms of hydrogen bond vibrations.
π SIMILAR VOLUMES
Crystals L-arginineAE'HNO 3 AE0.5H 2 O and L-arginineAE2HNO 3 have been studied by attenuated total reflection Fourier transform infrared (FTIR ATR) and Fourier transform Raman spectroscopy with taking into account their crystal structures.
Polarized Raman and infrared spectra of bis(thiourea)cadmium chloride, a novel semiorganic nonlinear optical crystal, were recorded to determine the symmetries of molecular vibrations. The observed Raman and infrared bands are assigned to molecular vibrations of thiourea, cadmium-sulphur and cadmium