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The pure rotational Raman spectrum of SeO3 (1978)

Brassington, N. J. ; Edwards, H. G. M. ; Long, D. A. ; [et al.]

Chichester [u.a.] : Wiley-Blackwell

Journal of Raman Spectroscopy 7 (1978), S. 158-160

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ISSN: 0377-0486

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology , Physics

Notes: The pure rotational Raman spectrum of selenium trioxide monomer in the vapour phase at 410 K has been obtained and analysed for the first time. The following rotational constants and bond lengths were obtained: \documentclass{article}\pagestyle{empty}\begin{document}$$ \begin{array}{l} B_{\rm 0} {\rm = 0}{\rm .246\,60} \pm {\rm 0}{\rm .000\,05 cm}^{ - 1} \\ 10^{\rm 8} D_J {\rm = 3}{\rm .9} \pm {\rm 0}{\rm .04 cm}^{ - 1} \\ r_{\rm 0} {\rm = 168}{\rm .78} \pm {\rm 0}{\rm .02 pm} \\ \end{array} $$\end{document} This is the first spectroscopic determination of r0 in SeO3. The precision of r0 is significantly greater than the value of ra = 169±1 pm obtained from an earlier electron diffraction study.

Additional Material: 1 Tab.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jrs.1250070310

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The pure rotational Raman spectrum of sulphur trioxide (1978)

Brassington, N. J. ; Edwards, H. G. M. ; Farwell, D. W. ; [et al.]

Chichester [u.a.] : Wiley-Blackwell

Journal of Raman Spectroscopy 7 (1978), S. 154-157

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ISSN: 0377-0486

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology , Physics

Notes: The pure rotational Raman spectrum of sulphur trioxide in the vapour phase at 333K has been obtained and analysed for the first time. The following rotational constants and bond length were determined: \documentclass{article}\pagestyle{empty}\begin{document}$$ \begin{array}{l} B_{\rm 0} {\rm = 0}.348\,57 \pm {\rm 0}{\rm .000\,03 cm}^{ - 1} \\ 10^{\rm 7} D_J {\rm = 2}{\rm .68} \pm {\rm 0}{\rm .07 cm}^{ - 1} \\ r_{\rm 0} {\rm = 141}{\rm .98} \pm {\rm 0}{\rm .02 pm} \\ \end{array} $$\end{document} This r0 value agrees to within the sum of one standard deviation of the experimental errors with the value obtained from an analysis of the vibration-rotational infrared spectrum of the 2ν3 band.

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jrs.1250070309

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The pure rotational and vibration-rotational Raman spectra of 1H3H and 2H3H (1979)

Edwards, H. G. M. ; Long, D. A. ; Mansour, H. R. ; [et al.]

Chichester [u.a.] : Wiley-Blackwell

Journal of Raman Spectroscopy 8 (1979), S. 251-254

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ISSN: 0377-0486

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology , Physics

Notes: The pure rotational and vibration-rotational Raman spectra of the hydrogen species 1H3H and 2H3H have been recorded and analysed. The following rotational constants, vibration-rotational constants and bond lengths were obtained: The re values are compared with those of 1H2, 1H2H, 2H2 and 3H2 and a weighted mean re value for the hydrogen molecule was calculated.

Additional Material: 4 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jrs.1250080507

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