| CH4 | I
II | 1.0624 × 105 / (201.74 - 1.2024 x 10-2T +1.8596 x 10-3T2)
8.4992 x 105/(1603.6 - 1.1690 x 10-3T3 + 9.0131 x 10-5T4) | 20.509-Ttri
[<]8-20.509 | Maynard-Casely
et al. (2020)
Maynard-Casely
et al. (2020) |
| C2H6 | I, II
III | 669
737.91 + 0.21576T − 6.1118 × 10−3T2 | 89.726-Ttri
[<]5–89.726 | Nes & Vos (1978)
Yu et al. (2022) |
| C2H4 | I | 795.15 − 0.69734T | [<]20.4-Ttri | Yu et al. (2023) |
| C2H2 | I | 853.63 − 0.64829T | [<]77–188.15-Ttri | Yu et al. (2023) |
| C4H2 | I | 1194.3 − 0.63366T | [≤Ttri] | Yu et al. (2023) |
| C6H6 | I | 1127.8 − 8.1121 × 10−2T − 1.1497 × 10−3T2 | [<]20.4-Ttri | Yu et al. (2023) |
| C3H8 | I | 832.98 − 0.96372T | 20.4-Ttri | Maynard-Casely
et al. (2020) |
| C3H6 | I | 806 | 77 | Stewart & La
Rock (1958) |
| C3H4-a | I | 860 | 95 | Blanc et al. (1962) |
| C3H4-p | I | 882 | 90 | Marlin et al. (2022) |
| HCN | I | 1234.6 − 1.3477T | [<]153.15-233.15-Ttri | Yu et al. (2023) |
| HC3N | I | 1075.3 | 248.15Shallcross &
Carpenter (1958) |
|
| CO2 | I | 1711.5 − 8.7556 × 10−2T − 3.3884 × 10−3T2 | [<]20.4–194.15–Ttri | Yu et al. (2023) |
| CH3CN | I (or α)
II (or β) | 816.57 + 2.4008T − 6.7142 × 10−3T2
1127.5 − 4.3029 × 10−2T − 1.5440 × 10−3T2 | 201-Ttri
[<] 5–216.9 | Yu et al. (2023) |
| C2H5CN | I | 1060.7 − 0.46187T | [<]100-150-[Ttri] | Yu et al. (2023) |
| C2H3CN | I | 1027.4 | 153 | Yokoyama & Ohashi (1998) |
| C2N2 | I | 1285.9 − 0.20032T | [<]15-178.15-[Ttri] | Yu et al. (2023) |
| C4N2 | I | 1230 | 278 | Hannan & Collin (1953) |