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  • 1
    Electronic Resource
    Electronic Resource
    Raman and infrared spectra of NiI2 · 6H2O (1991)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 22 (1991), S. 397-401 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The polarized Raman spectra and infrared absorption spectra of NiI2 · 6H2O were measured in the 50-4000 cm-1 region at low temperatures. Deuterated samples were also studied and gave results which were useful for interpretation purposes. Satisfactory assignments of water internal and external modes and lattice vibrations were made. The vibrational analysis, on the basis of which the assignments were made, was related to the D34 factor group; however, the symmetry of the Raman-active bands, as deduced from polarized spectra, suggests that for water librations the C2h factor group provides a better basis for interpretation.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250220707
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  • 2
    Electronic Resource
    Electronic Resource
    Raman and infrared spectra of transition metal halide hexahydrates (1987)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 18 (1987), S. 485-491 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The Raman and infrared spectra of NiCl2·6H2O, NiCl2·6D2O, CoCl2·6H2O, CoCl2·6D2O and CoBr2·6H2O single crystals have been measured in the range 3600-30 cm-1 (Raman) and 3800-400 cm-1 (IR). The water internal modes have been best assigned for NiCl2·6H2O, including Fermi resonance effects. The corresponding Raman intensities have been interpreted in terms of the free molecule Raman tensors. Among the lattice vibrations, the metal halide and metal-water stretchings, and also the librations of the MX2·4H2O octahedra, have been identified and assigned.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250180707
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  • 3
    Electronic Resource
    Electronic Resource
    Raman studies of NiX2 · 6H2O and FeCl2 · 4H2O (1989)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 20 (1989), S. 773-777 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The Raman spectra of NiCl2 · 6H2O, NiBr2 · 6H2O and FeCl2 · 4H2O single crystals were measured in the range 50-3600 cm-1 at liquid nitrogen temperature. A new assignment of the lattice water translations in the two hexahydrates was made and the metal-halogen stretching mode was identified. A comparison with recent IR data provided a good characterization of the water libration region. Some proposals for discriminating between the lattice water modes and the coordinated water modes are given for the water internal modes (bending and stretching).
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250201204
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