Absolute Raman pair cross‐section for the π  u   mode in supercritical carbon dioxide | Zendy

Baglin F. G. | Zendy; Hacura A. | Zendy; Yoon J. H. | Zendy

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Absolute Raman pair cross‐section for the π u mode in supercritical carbon dioxide

Author(s) -

Baglin F. G.,

Hacura A.,

Yoon J. H.

Publication year - 1991

Publication title -

journal of raman spectroscopy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.748

H-Index - 110

eISSN - 1097-4555

pISSN - 0377-0486

DOI - 10.1002/jrs.1250221119

Subject(s) - raman spectroscopy , supercritical carbon dioxide , carbon dioxide , supercritical fluid , quadrupole , chemistry , cross section (physics) , analytical chemistry (journal) , atomic physics , physics , optics , organic chemistry , quantum mechanics

The absolute Raman cross‐section was measured for the π u 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 π u (ν 2 ) transition in carbon dioxide. This result is in accord with earlier predictions by Amos et al .

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