Relaxation of molecules with chemically significant amounts of energy: Vibrational, rotational, and translation energy recoil of an N sub 2 O bath due to collisions with NO sub 2 (E = 63. 5 kcal/mol)
Journal Article
·
· Journal of Physical Chemistry; (United States)
- Columbia Univ., New York, NY (United States)
Single-collision quenching of highly vibrationally excited NO{sub 2} by N{sub 2}O molecules has been studied. The ground state, N{sub 2}O(00{sup 0}0), first ({nu}{sub 3}) asymmetric stretch, N{sub 2}O(00{sup 0}1), and first ({nu}{sub 1}) symmetric stretch, N{sub 2}O(10{sup 0}0), vibrational levels of N{sub 2}O were probed by using infrared diode laser techniques following pulsed dye laser excitation of NO{sub 2} to an energy E = 63.5 kcal/mol (22,200 cm{sup {minus}1}). Excitation of both the N{sub 2}O {nu}{sub 1} (10{sup 0}0) and {nu}{sub 3} (00{sup 0}1) states by collisions with high-energy NO{sub 2} is accompanied by only a small rotational and translational energy increase. In marked contrast, rotational excitation of N{sub 2}O (00{sup 0}0) ground-state molecules due to collisions with high-energy NO{sub 2} is accompanied by a large increase in translational energy.
- DOE Contract Number:
- FG02-88ER13937
- OSTI ID:
- 5204034
- Journal Information:
- Journal of Physical Chemistry; (United States), Journal Name: Journal of Physical Chemistry; (United States) Vol. 95:18; ISSN 0022-3654; ISSN JPCHA
- Country of Publication:
- United States
- Language:
- English
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Mon May 01 00:00:00 EDT 1995
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·
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·
Thu Apr 15 00:00:00 EDT 1993
· Journal of Chemical Physics; (United States)
·
OSTI ID:6697653
Energy dependence of the relaxation of highly excited NO sub 2 donors under single collision conditions: Vibrational and rotational state dependence and translational recoil of CO sub 2 quencher molecules
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· Journal of Chemical Physics; (USA)
·
OSTI ID:6356064
Related Subjects
664300* -- Atomic & Molecular Physics-- Collision Phenomena-- (1992-)
74 ATOMIC AND MOLECULAR PHYSICS
CHALCOGENIDES
CHEMISTRY
COLLISIONS
DATA
ELECTROMAGNETIC RADIATION
ENERGY
ENERGY LEVELS
EXCITED STATES
EXPERIMENTAL DATA
HOT ATOM CHEMISTRY
INFORMATION
INFRARED RADIATION
KINETIC ENERGY
LASER RADIATION
MOLECULE COLLISIONS
MOLECULE-MOLECULE COLLISIONS
NITROGEN COMPOUNDS
NITROGEN DIOXIDE
NITROGEN OXIDES
NITROUS OXIDE
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
POTENTIAL ENERGY
RADIATIONS
RADIOCHEMISTRY
ROTATIONAL STATES
VIBRATIONAL STATES
VISIBLE RADIATION
74 ATOMIC AND MOLECULAR PHYSICS
CHALCOGENIDES
CHEMISTRY
COLLISIONS
DATA
ELECTROMAGNETIC RADIATION
ENERGY
ENERGY LEVELS
EXCITED STATES
EXPERIMENTAL DATA
HOT ATOM CHEMISTRY
INFORMATION
INFRARED RADIATION
KINETIC ENERGY
LASER RADIATION
MOLECULE COLLISIONS
MOLECULE-MOLECULE COLLISIONS
NITROGEN COMPOUNDS
NITROGEN DIOXIDE
NITROGEN OXIDES
NITROUS OXIDE
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
POTENTIAL ENERGY
RADIATIONS
RADIOCHEMISTRY
ROTATIONAL STATES
VIBRATIONAL STATES
VISIBLE RADIATION