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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)
DOI:https://doi.org/10.1021/j100171a006· OSTI ID:5204034
; ;  [1]
  1. Columbia Univ., New York, NY (United States)
+ Show Author Affiliations

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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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