Fig 4 - uploaded by Laure Lespade
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First overtone CH stretching spectra of propane CD 3 CH 2 CD 3 (a) and propane CD 3 CHDCD 3 (b). The path length was 7 m in case a and 20 m in case b. The vapor pressure was respectively, 250 and 150 Torr.
Source publication
The CH stretching overtone spectra of two deuterated propanes, $CD_{3}CHDCD_{3}$ and $CD_{3}CH_{2}CD_{3}$, have been measured between 2800 and $16000 cm^{-1}$. They evidence Fermi resonances in all the spectra wavenumbers. A reconstruction of all the overtone spectra of the two molecules with the same anharmonic potential indicates that Fermi reson...
Context in source publication
Context 1
... first overtone spectrum of propane CD 3 CHDCD 3 is principally composed of two bands at 5717 and 5478 cm K1 (Fig. 4b). The shapes of these two bands are different which indicates that the corresponding vibrations are of different nature. The assignment of the band at 5717 cm K1 to the 2CH stretching vibration previously done in Ref. [21] is confirmed. A combination state is calculated at 5478 cm K1 but with a much weaker intensity than the ...
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