Time-resolved laser magnetic resonance study of deactivation of Cl(2P1/2)

2000 ◽  
Vol 112 (8) ◽  
pp. 3772-3779 ◽  
Author(s):  
A. I. Chichinin
Keyword(s):  
Magnetic Resonance ◽  
Magnetic Resonance Study ◽  
Time Resolved ◽  
Laser Magnetic Resonance

Deactivation Study of Electronically Excited Cl(2p1/2) Atoms by Socl2 , Ccl3h, C2h4 , No2 Molecules with Laser Magnetic Resonance (Lmr) Technique

2009 ◽  
Vol 4 (4) ◽  
pp. 42-48
Author(s):  
Asylkhan Rakhymzhan ◽  
Pavel Koshlyakov ◽  
Petr Dementiev ◽  
Оleg Aseev ◽  
Alexey Chichinin
Keyword(s):  
Magnetic Resonance ◽  
Quantum Yield ◽  
Ground State ◽  
Room Temperature ◽  
Spin Orbital ◽  
Time Resolved ◽  
Relative Quantum Yield ◽  
Relative Quantum ◽  
Electronically Excited ◽  
Laser Magnetic Resonance

The method of time-resolved laser magnetic resonance (LMR) has been employed to detect spin-orbital excited chlorine Cl*(≡Cl(2P1/2)) atoms at room temperature. The rate constants for the deactivation of Cl* 11 3 10 cm /molecule , 2 s by SOCl2(0.62 0.2), CCl3H (18 5), C2H4(1.5 0.4) and NO2 (1.5 0.4) are reported. The unknown in literature rate constant for the thermo-neutral reaction of ground state Cl(2P3/2) atoms with SOCl2 were measured. The relative quantum yield of Cl* in photodissociation of SOCl2 is determined to be 0.52 ± 0.03.

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