Abstract
MRCI approach was used to investigate the PECs for NO and N2. These PECs are in good agreement with the RKR potential, and by using RKR potential we obtain accurate Frank-Condon factors. Based on Rosen-Zener approximation and Frank-Condon factors, we calculate the quenching rate coefficients of NO(X2Π,v*=0–3) colliding by NO(A2Σ+,v = 0–20), N2(A3Σ+u,v = 0–23) and N2(B3Πg,v = 0–28). The higher vibrational excitation v* is more conducive to the occurrence of quenching. Moreover, rate coefficients of NO(X2Π,v*) and N2(X1Σ+g,v*) colliding by NO(A2Σ+,v = 0–20) are calculated at high temperature. Our results provide more accurate numerical basis for the entry of aircraft into the atmosphere at high temperature.
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