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  • Chemistry  (3)
  • 1
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On the Vibrational Spectra of Phosphorus Acid. III. Dihydrogenphosphate Solutions Reinvestigated by means of Laser-Raman Spectroscopy and Mathematical Separation of the Infrared BandsAqueous solutions of NaH2PO4 are reinvestigated by mathematical separation of the infrared bands between 700 and 1500 cm-1 and by laser Raman spectroscopy. A single ion will not produce the spectra observed. It is possible to account for them assuming association of the anions into chains, which have a line group symmetry isomorphous with C2h.
    Notes: Wäßrige Lösungen von NaH2PO4 werden erneut untersucht mittels mathematischer Separierung der Infrarotbanden im Bereich von 700 bis 1 500 cm-1 und mittels Laser-Ramanspektroskopie. Ein einzelnes Ion kann nicht Träger der beobachteten Spektren sein. Diese lassen sich deuten durch die Annahme einer Assoziation der Anionen zu Ketten mit der Symmetrie einer Liniengruppe isomorph C2h.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 8 (1979), S. 169-171 
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Relative fluxes of transmitted and backscattered Raman (inelastic) and also Rayleigh plus macroscopically (elastic) scattered radiation from powdered samples pressed to discs have been measured as a function of the thickness of the discs. Specular reflection is the biggest source of error and must be avoided in such measurements. The resulting curves are in qualitative accordance with calculations by other authors.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 14 (1983), S. 194-198 
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: A single crystal of p-chloroaniline was prepared, and aligned optically. The intensities observed from the different tensor elements of the unit cell were compared with the expected intensity distributions from the molecular vibrations, transformed into the unit cell. For the 13 vibrations of species a1 (and an additional Fermi resonance band) intensity distributions were found which are in accord with these symmetry considerations and with the atomic displacements in all the different vibrations. Some assignments of other symmetry species are also considered.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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