Microwave studies of collision-induced transitions between rotational levels. VIII. Collisions between NH/sub 3/ and polar molecules
Journal Article
·
· J. Chem. Phys.; (United States)
OSTI ID:5502801
The technique of four-level microwave double resonance has been applied to the study of rotation-inversion transitions of NH/sub 3/ induced by collisions with various polar molecules. H/sub 2/O, D/sub 2/O, CH/sub 3/OH, CH/sub 3/X and CHX/sub 3/ (X = F, Cl, Br, I), NO, CO, and OCS were used as collision partners. The values of eta = ..delta..I/I observed for many four-level systems which are connected by dipole-type transitions (..delta..J = +- 1, ..delta..K = 0, parity +bold-arrow-left-right-) are given and qualitatively explained taking into account the long-range dipole--dipole interaction and the pattern of rotational energy levels of the collision partners.
- Research Organization:
- Herzberg Institute of Astrophysics, National Research Council of Canada, Ottawa, Ontario, Canada K1A OR6
- OSTI ID:
- 5502801
- Journal Information:
- J. Chem. Phys.; (United States), Vol. 78:6
- Country of Publication:
- United States
- Language:
- English
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Journal Article
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Sat Jul 15 00:00:00 EDT 1989
· J. Chem. Phys.; (United States)
·
OSTI ID:5502801
Molecular beam measurements of inelastic cross sections for transitions between defined rotational states (j,m) of CsF in collisions with He, Ne, Ar, Kr, CH/sub 4/, CF/sub 4/, SF/sub 6/, C/sub 2/H/sub 6/, N/sub 2/, CO, CO/sub 2/, N/sub 2/O, CH/sub 3/Cl, CH/sub 3/Br, CF/sub 3/H, and CF/sub 3/Br
Journal Article
·
Wed Aug 15 00:00:00 EDT 1979
· J. Chem. Phys.; (United States)
·
OSTI ID:5502801
Rotationally inelastic collisions of a molecule in a sup 1. Delta. electronic state: NH( a sup 1. Delta. )
Journal Article
·
Wed Nov 01 00:00:00 EST 1989
· Journal of Chemical Physics; (USA)
·
OSTI ID:5502801
Related Subjects
74 ATOMIC AND MOLECULAR PHYSICS
AMMONIA
MOLECULE-MOLECULE COLLISIONS
CARBON MONOXIDE
CARBON OXYSULFIDE
HALOGENATED ALIPHATIC HYDROCARBONS
HEAVY WATER
METHANOL
NITRIC OXIDE
WATER VAPOR
ENERGY-LEVEL TRANSITIONS
MICROWAVE SPECTRA
ALCOHOLS
CARBON COMPOUNDS
CARBON OXIDES
CHALCOGENIDES
COLLISIONS
FLUIDS
GASES
HYDRIDES
HYDROGEN COMPOUNDS
HYDROXY COMPOUNDS
MOLECULE COLLISIONS
NITROGEN COMPOUNDS
NITROGEN HYDRIDES
NITROGEN OXIDES
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
SPECTRA
SULFUR COMPOUNDS
VAPORS
WATER
640304* - Atomic
Molecular & Chemical Physics- Collision Phenomena
AMMONIA
MOLECULE-MOLECULE COLLISIONS
CARBON MONOXIDE
CARBON OXYSULFIDE
HALOGENATED ALIPHATIC HYDROCARBONS
HEAVY WATER
METHANOL
NITRIC OXIDE
WATER VAPOR
ENERGY-LEVEL TRANSITIONS
MICROWAVE SPECTRA
ALCOHOLS
CARBON COMPOUNDS
CARBON OXIDES
CHALCOGENIDES
COLLISIONS
FLUIDS
GASES
HYDRIDES
HYDROGEN COMPOUNDS
HYDROXY COMPOUNDS
MOLECULE COLLISIONS
NITROGEN COMPOUNDS
NITROGEN HYDRIDES
NITROGEN OXIDES
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
SPECTRA
SULFUR COMPOUNDS
VAPORS
WATER
640304* - Atomic
Molecular & Chemical Physics- Collision Phenomena