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  • 1
    Electronic Resource
    Electronic Resource
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 23 (1992), S. 365-372 
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: High-resolution Stokes and anti-Stokes Raman spectra of isotopically pure 127I79Br were recorded with excitation by argon ion laser radiation using CCD camera detection and a scanning multi-channel technique. The observed spectra show a complex rotational-vibrational structure, which can be explained in terms of Q branches, S band heads, unresolved O branches and corresponding hot band transitions. The spectral band shapes of the fundamental vibrational transitions and of several overtones were studied as a function of laser power and excitation wavelength. A symmetry principle between Stokes and anti-Stokes spectra is also demonstrated. In addition, hyperfine structure in the electronic Raman spectra of atomic 127I and 79Br was observed under high resolution.
    Additional Material: 14 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 26 (1995), S. 861-866 
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: High-resolution Raman spectra of isotopically pure 35Cl2 were recorded using UV argon ion laser radiation of 275.4, 300.3, 302.4 and 305.5 nm. Overtone progressions could be observed for excitation with 300.3, 302.4 and 305.5 nm radiation. All overtone transitions could be simulated satisfactorily using both the traditional Kramers-Heisenberg-Dirac equation and time-dependent quantum theory. The results obtained for 35Cl2 are compared to those derived earlier for I2 and Br2. The spectral features of the fundamental band for excitation in the UV region can be explained by assuming a destructive interference effect between resonant and non-resonant Raman scattering resulting from adjacent high-energy electronic states.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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