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  • 1985-1989  (2)
  • 1975-1979
  • 1985  (2)
  • Analytical Chemistry and Spectroscopy  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Phase transition in manganese and zinc fluorotitanate hexahydrate and hexadeuterate systems observed by Raman spectroscopy (1985)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 16 (1985), S. 149-155 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Raman spectra of MnTiF6·6H2O, MnTiF6·6D2O, ZnTiF6·6H2O and ZnTiF6·6D2O single crystals were studied in different polarizations between 300 and 77 K and the observed bands were assigned to the various modes of vibrations of these systems. Phase transition in these systems was observed by studying the intensity of νs(TiF6) mode and νs(H2O/D2O) mode with temperature. The mechanism of the phase transition is discussed.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250160304
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Raman studies of phase transitions in Mg(ClO4)2·6H2O crystal (1985)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 16 (1985), S. 303-307 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Raman spectra of Mg(ClO4)2·6H2O single crystal in different polarizations in the temperature range 350-110 K are presented. Three phase transitions were found at 325, 272 and 225 K. The transition at 272 K is associated with the rotation of crystallographic a and b axes with respect to the space-fixed coordinate axes X and Y in the ab plane. The transition at 325 K occurs as a result of reorientation of the ClO4- ion and that at 225 K as a result of the tumbling motion of the aquo complex.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250160503
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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