The temperature dependence of vibrational relaxation in carbon fetrachloride has been invfstigakd from nC%X the melting point to nex the boiling point. 'Ihe method of \_qontzneous B;il!ouin scrtterin, 0 hx been used to deter-mine the hypersonic frequencies and velocities 9s functions of tzmperzture.
Temperature dependence of vibrational energy relaxation in liquid oxygen
β Scribed by Rudolf Protz; Max Maier
- Publisher
- Elsevier Science
- Year
- 1979
- Tongue
- English
- Weight
- 460 KB
- Volume
- 64
- Category
- Article
- ISSN
- 0009-2614
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β¦ Synopsis
The energy rekstion of the lowest vibrational Ieke (U = 1) of liquid oxygen in the electronic ground state aas investigated \Cthin a wide temperature range (53.4 Ii < T < 96 R). The relaation time exhibits a peak vlllue of; = 3.1 ms around 65 I< and is shorter at loxcer and higher temperatures. The observed temperature behavior is discussed in view of theoretical models of energy rehlation in liquids_
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The vibrationaI energy relaxation rates of the liquid nitrogen-CO system have been measured by optically pumping the collision-induced fundamentalvibrational absorption band of liquid Nz with the output of an HBr TEA laser. A rad2atively dominated value of 56 f 10 s is found for the intrinsic nitrog
## Abstract Isotropic Raman line broadening studies were carried out for the Cο£ΎO stretching mode of vibration in __N__,__N__βdimethylformamide and cyclohexanone molecules in solution. The broadening for the Raman band is explained on the basis of hydrodynamic, multipoleβmultipole, induction and dis
A theory IS presen:ed for vlbratmnai energy relavatlon m polyatomlc molecular hquids mduced by Cor~ohs mteractlons, and applied to sereral bnear trlatomic molecules III mert solrents The predIcted rates are conststent with experImenta measurements on these systems.