Effects of temperature and buffer gases on the reactions of nitric oxide with vibrationally excited ozone

1975 ◽  
Vol 11 (8) ◽  
pp. 715-715
Author(s):  
R. Gordon ◽  
M. Lin
2020 ◽  
Author(s):  
Zachary D. Buen ◽  
Casey Broslawski ◽  
Madeline Smotzer ◽  
Jason E. Kuszynski ◽  
Simon North ◽  
...  

1975 ◽  
Vol 63 (7) ◽  
pp. 2919 ◽  
Author(s):  
R. E. Murphy ◽  
E. T. P. Lee ◽  
A. M. Hart

Vibrational energy transfer and a chemical reaction between nitric oxide and the cyanogen radical have been studied by flash photolysing cyanogen and cyanogen bromide in the presence of nitric oxide. The product of the chemical reaction is, at least in part, the unstable compound nitrosyl cyanide NOCN and the rate constant is 2 x 10 12 ml. mole -1 s -1 or 1 x 10 17 ml. mole -2 s -1 with nitrogen as third body. The compound has a continuous absorption in the ultra-violet and yields vibrationally excited nitric oxide on photolysis. Vibrationally excited cyanogen radicals produced by means of electronic excitation of the radical produce vibrational excitation of the nitric oxide through near resonance energy exchange. Vibrational equilibrium is reached by nitric oxide through further resonance exchanges: CN + NO → NOCN, NOCN + hv → N O ( v > 0) + CN, NO ( v = 0) + CN ( v = n ) → NO ( v = 1) + CN ( v = n – 1 ) , NO ( v = 1) + CN ( v = m ) → NO ( v = 2) + CN ( v = m –1 ), 2NO { v = 1) ⇌ NO ( v = 2) + NO ( v = 0), NO ( v = 2) +NO ( v = 1) ⇌ NO ( v = 3) + NO { v = 0), etc.


2019 ◽  
Vol 58 (10) ◽  
pp. 2702 ◽  
Author(s):  
Joshua D. Winner ◽  
Feng Pan ◽  
Madison H. McIlvoy ◽  
Rodney D. W. Bowersox ◽  
Simon W. North

From measurements of the absolute concentrations of vibrationally excited oxygen produced in levels v" = 4 to v" = 13, it is concluded that ca . 20 % of the exothermicity of the reaction O( 3 P) + NO 2 → NO + O + 2 ( v" ≤11) (1) appears initially as vibrational energy in oxygen. Vibrationally excited nitric oxide ( v" = 1, 2) is also observed and may be produced in this reaction or in the primary process NO 2 + hv → NO ( v" ≤ 2) + O( 3 P). More highly excited oxygen ( v" ≤ 15), with energy exceeding the exothermicity of the reaction, is produced in reaction (1) when the NO 2 is first excited by radiation above the dissociation limit near 400 nm. The excited NO 2 thus produced can also transfer energy to nitric oxide. NO 2 * + NO( v" = 0) → NO 2 + NO( v" = 1).


1976 ◽  
Vol 64 (3) ◽  
pp. 1058-1064 ◽  
Author(s):  
Robert J. Gordon ◽  
M. C. Lin

Vibrationally excited carbon monoxide was produced by flashing mixtures of nitric oxide, carbon monoxide and nitrogen. The rate of formation and decay of the vibrationally excited molecules was interpreted by means of the processes: NO ( X 2 I I , υ = 0 ) + h v → NO ( A 2 ∑ + , υ = 0 , 1 , 2 ) , NO ( A 2 ∑ + , υ = 0 , 1 , 2 ) + M →→ NO ( X 2 I I , υ = 1 ) + M , NO ( A 2 ∑ + , υ = 0 , 1 , 2 ) →→ NO ( X 2 I I ) , υ = 1 ) + h v , NO ( X 2 I I , υ = 1 ) + CO X 1 ∑ + ( υ = 0 ) → ← NO ( X 2 I I , υ = 0 ) + CO ( X 1 ∑ + , υ = 1 ) , CO ( X 1 ∑ + , υ = 1 ) + N 2 X 1 ∑ V + ( υ = 0 ) → ← CO ( X 1 ∑ + , υ = 0 ) + N 2 ( X 1 ∑ V + , υ = 1 ) , NO ( X 2 I I , υ = 1 ) + NO X 2 I I ( υ = 0 ) → 2 NO ( X 2 I I , υ = 0 ) .


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