Table 2
Comparison of the rate coefficients obtained in this work with values available in the literature below 100 K. All values are in 10−10 cm3 s−1.
| Reaction | kL | This work (20 K) | Other works (~20 K) | This work (80 K) | Giles et al. (1992) (80 K) |
|---|---|---|---|---|---|
| H2+ + H2 | 21.0 | 22.3 | 21.0(a),(b),(c) | 22.3 | |
| H2+ + D2 | 18.0 | 21.5 | 18.0 (c) | 21.5 | |
| HD+ + D2 | 15.9 | 17.2 | 17.2 | ||
| D2+ + D2 | 14.7 | 15.7 | 15.7 | ||
| D2H+ + H2 | 17.6 | 1.4 | 4.2 | 6.0 | |
| D3+ + H2 | 17.2 | 1.4 | 1.2(d) | 4.8 | 5.2 |
| H3++D2 | 15.9 | 14.4 | 17.0(e) | 13.8 | 14.0 |
| D2H+ + D2 | 14.0 | 10.4 | 9.1 | 8.7 |
Notes. (a) Allmendinger et al. (2016b),(b) Savić et al. (2020),(c) Höveler et al. (2021b),(d) 2 meV collision energy (Gerlich & Schlemmer 2002), (e) at 10 K (Paul et al. 1996). The values displayed for this work correspond to the Arrhenius-Kooij fit (see Table 1) at the temperature of interest. Langevin reaction rates kL are given for comparison (polarizabilities from Milenko et al. 1972).
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