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|dc.identifier.citation||The Journal of Physical Chemistry A: Isolated Molecules, Clusters, Radicals, and Ions; Environmental Chemistry, Geochemistry, and Astrochemistry; Theory, 1998; 102(44):8505-8509||-|
|dc.description||© 1998 American Chemical Society||-|
|dc.description.abstract||Highly excited hexafluorobenzene (HFB) molecules in the electronic ground state were prepared by infrared multiphoton absorption by CO₂ laser pumping using the P(38) line at 1029.43 cm⁻¹. The vibrational deactivation of the highly excited HFB by monatomic collider gases was monitored by time-resolved infrared fluorescence (IRF). Deactivation measurements were made for the noble gas colliders He, Ne, Ar, Kr, and Xe. The bulk average energy transferred per collision, <<ΔΕ>>, for these colliders was found to increase from He through to Ar; however it subsequently decreased from Ar through to Xe. This is different than the trend found in the quasiclassical trajectory calculations by Lenzer et al., which predict a decrease in the average energy transferred per collision from He to Ar to Xe. (Calculations were not reported for Ne and Kr.) However, similar trends in related energy-transfer parameters have been reported for the deactivation of C₆F₁₄ and C₈F₁₈ by the same series of five noble gases. A comparison is made with previous experimental measurements for the colliders He and Ar which were obtained using UV excitation of the HFB. For the same monatomic colliders, the <<ΔΕ>> values for HFB are much greater than those for the closely related aromatics, benzene, toluene, and pyrazine.||-|
|dc.publisher||AMER CHEMICAL SOC||-|
|dc.title||Vibrational deactiviation of highly excited hexafluorobenzene||-|
|dc.identifier.orcid||Alwahabi, Z. [0000-0003-4831-7798]||-|
|dc.identifier.orcid||King, K. [0000-0003-2766-2330]||-|
|Appears in Collections:||Aurora harvest 2|
Chemical Engineering publications
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