Quenching rate constants for CO(a3Π; ν′=0,1,2)

摘要: The quenching rate constants for CO (a 3Π; ν′=0,1,2) with H2, D2, N2, O2, NO, CO, CO2, COS, CS2, SO2, NH3, C2N2, CH4, C2H2, C2H4, C2H6, C2F6, and SF6 have been measured in a discharge‐flow apparatus. sources of CO(a 3Π) were the interaction Ar(3P0, 2) or He(23S) atoms carbon dioxide. bimolecular‐quenching coefficients are [inverted lazy s] 10−10 cm3 sec−1, except SF6, which range from 10−11 to 10−12 cm3 sec−1. Only CS2 showed dependence upon vibrational excitation CO(a). For these reagents, mechanism is discussed; reaction N2(X) yields significant amounts N2(A). CO(a) + NO(X) particular interest because β‐ γ‐band emission can be used identify NO(A B) products provide diagnostic test presence CO(a 3Π). between N2(A 3 Σu+; ν′=0,1) CO(X) discussed an appendix.