Table 7: The total rate constants (1012 cm3 molecule−1 s−1) as functions of temperature and pressure.

T (K) P (Torr)presentDavis HensenbPerrycTullyd

298.15100 (He)5.696.0±0.4
298.1540 (He)3.825.4±0.1
298.1520 (He)3.775.1±0.24.7±0.5
298.153 (He)3.373.6±0.3
298.15100 (Ar)5.755.8±0.66.4±0.66.4±0.7
500100 (Ar)3.722.2±0.1e
50010 (Ar)2.95
568100 (Ar)3.632.4±0.1e
56810 (Ar)2.88

Reference [3]. bReference [5]. cReference [6]. dReference [7]. eAt a pressure of 20-200 Torr.