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  • 1
    Electronic Resource
    Electronic Resource
    Raman and far infrared spectra of the two solid phases of methyl bromide: CH3Br and CD3Br (1985)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 82 (1985), S. 1468-1475 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The phase transition in crystalline methyl bromide: CH3Br and CD3Br, has been studied by Raman spectroscopy. Spectra of the higher temperature α phase are reported here for the first time. The transition in CD3Br is found to occur near 158 K, about 16 K lower than in CH3Br. Raman and far infrared spectra of the low temperature β phase at 20 K are also reported. Additional peaks in the lattice region and new splittings in the υ5 and υ6 regions have been observed. The spectra are assigned by means of a group theoretical analysis based on the known crystal structure of this phase and good agreement is obtained.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.448421
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  • 2
    Electronic Resource
    Electronic Resource
    Structure of solid carbon diselenide (CSe2) at 17.5, 50 and 200K (1983)
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 39 (1983), S. 963-965 
    Details
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108270183007015
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  • 3
    Electronic Resource
    Electronic Resource
    Structure of solid carbon disulphide between 5 and 150 K (1982)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 38 (1982), S. 28-32 
    Details
    ISSN: 1600-5740
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0567740882001976
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  • 4
    Electronic Resource
    Electronic Resource
    Raman and far-infrared study of the lattice vibrations of solid nitromethane (1989)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 20 (1989), S. 345-349 
    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 far-infrared spectra of crystalline nitromethane and its fully deuterated analogue were recorded over the frequency range 20-400 cm-1 and at temperatures between 20 and 150 K. In the spectra of CH3NO2, 15 of the 21 Raman- and 13 of the 15 infrared-active lattice modes predicted by group theory were observed. The corresponding numbers for CD3NO2 were 17 and 14, respectively. Isotopic frequency shifts together with inertia and intensity arguments were used to assign the peaks. Frequency coincidences in the two types of spectra are indicative of a non-centrosymmetric cell. Several features are attributed to the torsional mode or interactions with this mode.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250200602
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  • 5
    Electronic Resource
    Electronic Resource
    Raman and far-infrared study of crystalline 1,1,1-trichloroethane and 1,1,1-trichloroethane-d3 (1989)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 20 (1989), S. 587-593 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The lattice vibrations of the low-temperature phase of CH3CCl3 and CD3CCl3 have been observed by Raman and far-infrared techniques. The results are compared with the predictions of group theory, and the peaks are assigned on the basic of their frequency shifts on deuteration. Low-temperature Raman and far-infrared spectra of the internal modes are also presented.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250200907
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  • 6
    Electronic Resource
    Electronic Resource
    Raman and far-infrared spectra of crystalline methylene iodide (1987)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 18 (1987), S. 215-220 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The lattice vibrations and internal modes of polycrystalline CH2I2 and CD2I2 have been studied as a function of temperature using Raman and far-infrared spectroscopy. CH2I2 has two stable phases, one of which is metastable in the temperature range of the other, and a second metastable phase. CD2I2 has only one solid phase. Possible structures for the various phases are discussed.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250180313
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  • 7
    Electronic Resource
    Electronic Resource
    Raman and far-infrared spectra of solid carbon tetrabromide (1988)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 19 (1988), S. 79-83 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Raman and far-infrared spectra of solid CBr4 at temperatures between 20 K and the melting point, 365 K, have been recorded. Low-temperature results are compared with earlier data and with the predictions of a group theoretical analysis based on the known crystal structure. Isotopic and crystal field effects are distinguished. The number of Raman peaks, especially in the lattice and v3 regions, is compatible with a large unit cell. Certain features are interpreted with the help of recent spectra and calculations on solid SnBr4, Which has a similar unit cell.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250190203
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  • 8
    Electronic Resource
    Electronic Resource
    Raman and far-infrared spectra of cyanamide at 20 and 90 K: Atom-atom potentials and lattice frequencies (1992)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 23 (1992), S. 465-469 
    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 cyanamide have been remeasured at lower temperatures (20 K) and higher laser powers (for the Raman). The recently obtained structure of cyanamide was used as a basis for calculations of the lattice dynamics. Standard models using atom-atom potentials of the exp - 6 form, an exponentially decaying attractive potential for the hydrogen bond and distributed dipoles on the atoms, gave good fits to the structural parameters and, with scaling, gave moderately good values for the lattice frequencies provided that it was assumed that the modes associated with librations about the long axis of the molecule were not observed.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250230807
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  • 9
    Electronic Resource
    Electronic Resource
    Raman and infrared spectra of crystalline hydrogen iodide and deuterium iodide (1979)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 8 (1979), S. 213-217 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Raman and infrared spectra of the three phases of crystalline HI and DI have been recorded, and mode frequencies corresponding to molecular vibrations, librations and translations are identified. A comparison with the spectra of solid HCl and HBr confirms that only the low temperature phase has an ordered structure. A simple force constant model is described which is used to assign the observed frequencies for this phase.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250080409
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  • 10
    Electronic Resource
    Electronic Resource
    Raman and infrared spectra of solid carbon diselenide (1983)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 14 (1983), S. 96-98 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Raman and infrared spectra of polycrystalline samples of CSe2 have been recorded at temperatures from 20-205 K. A comparison with previous results for CS2 shows that the spectra are consistent with the two substances having the same centrosymmetric orthorhombic structure. The observed spectra for CSe2, in both the lattice and molecular regions, are in good agreement with group theoretical predictions based on this structure. There is only one solid phase over the range of temperatures examined.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250140208
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