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Title: State-State Transitions for CCl2(X1A1, A1B1,a3B1) Radical and Collisional Quenching of CCl2(A1B1 and a3B1) by O2, N2, NO, N2O, NH3, and Various Aminated Molecules
Journal: Int J. Chem. Kinet.
Volume: 34
Page(s): 351 - 356
Year: 2002
Reference type: Journal article
Squib: 2002GAO/RAN351-356
Reaction:
CCl2 (A 1B1) + (C2H5)3N → Products
Reaction order:
2
Rate expression:
no rate data available
Bath gas:
Ar
Category: Uncategorized
Comments:
NO CHEMICAL KINETIC RATE DATA. ONLY QUENCHING.
CCl2 in excited states A1B1 and a3B1 were generate by exciting CCl2 (produced in a CCl4/Argon discharge) with 541.nm pulsed laser. LIF of excited CCl2 was monitored as a function of time (and pressure) to collision quenching efficiencies. Some of the higher quenching efficiencies may be influenced by chemical reactions. For both states with most gases, quenching rates were on the order of 1-2E-10 cm3/molecule/s. However, for the A1B1 state quenching rates were much higher or about 4E-10, 6E-10, and 7E-10 for NH3, N2O, and alkylamines, respectively.
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