Absolute Raman pair cross-section for the πu mode in supercritical carbon dioxide

Absolute Raman pair cross-section for the πu mode in supercritical carbon dioxide

The absolute Raman cross‐section was measured for the πu mode of supercritical carbon dioxide at 50 and 75°C over five densities. These measurements clearly show that a dimeric species is responsible for the quadrupole induced dipole (QPID) Raman spectral activity of the πu(ν2) transition in carbon...

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Veröffentlicht in:Journal of Raman spectroscopy 1991-11, Vol.22 (11), p.725-726
Hauptverfasser: Baglin, F. G., Hacura, A., Yoon, J. H.
Format: Artikel
Sprache:eng
Schlagworte:
Atomic and molecular physics
Exact sciences and technology
Infrared spectra
Molecular properties and interactions with photons
Molecular spectra
Physics
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Zusammenfassung:The absolute Raman cross‐section was measured for the πu mode of supercritical carbon dioxide at 50 and 75°C over five densities. These measurements clearly show that a dimeric species is responsible for the quadrupole induced dipole (QPID) Raman spectral activity of the πu(ν2) transition in carbon dioxide. This result is in accord with earlier predictions by Amos et al.
ISSN:0377-0486
1097-4555
DOI:10.1002/jrs.1250221119