Table 5.

The rate constant of R1 pathway, OH concentration in different altitude, and lifetimes of CH₃SH in atmospheric conditions.

H (km)a	T (K)	P (mbar)a	kb	[OH] (molecule (cm−3)a	Τ (s)c	$\frac{k_{\infty }}{k}$
0	290.2	1013	1.60E − 13	3.00E + 06	2.08E + 06	9.21E + 01
5	250.2	495.9	2.78E − 13	1.00E + 06	3.59E + 06	6.30E + 01
10	215.6	242.8	8.10E − 13	5.70E + 05	2.17E + 06	2.82E + 01
15	198.0	118.8	1.21E − 12	4.20E + 05	1.96E + 06	2.29E + 01
20	208.0	58.18	4.48E − 13	3.70E + 05	6.03E + 06	5.52E + 01
25	216.1	28.48	1.91E − 13	6.60E + 05	7.92E + 06	1.19E + 02
30	221.5	13.94	9.51E − 14	1.60E + 06	6.57E + 06	2.28E + 02
35	228.1	6.826	4.60E − 14	3.70E + 06	5.88E + 06	4.45E + 02
40	240.5	3.341	1.88E − 14	6.80E + 06	7.82E + 06	9.93E + 02
45	251.9	1.636	7.92E − 15	8.50E + 06	1.48E + 07	2.20E + 03
50	253.7	0.801	6.52E − 15	6.80E + 06	2.25E + 07	2.64E + 03

^aThe altitude (H), pressure (P), the temperature (T), and the OH concentration ([OH]) in this table are from Ref.⁵⁶.

^bk is the bimolecular rate constant in mentioned temperature and pressure.

^cτ = $\frac{1}{k[OH]}$ is lifetime of CH₃SH.