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Table 1.
Column density ratios of pure hydrocarbon and their CN derivatives detected toward TMC-1.
| Molecular pair | R-H/R-CN ratio | Reference |
|---|---|---|
| H2CCCHCCH/H2CCCHC3N | 0.1 (a), 60 (b) | Cernicharo et al. (2021c); this work |
| CH3C2H/CH2(CN)CCH | ∼120 | Snyder et al. (2006), McGuire et al. (2020) |
| CH3C2H/CH3C3N | ∼64 | Snyder et al. (2006), Remijan et al. (2006) |
| CH3C4H/CH3C5N | ∼35 | Snyder et al. (2006), Remijan et al. (2006) |
| CH2CCCH/CH2CCCCN | ∼100 | Cernicharo et al. (2021a), Lee et al. (2021b) |
| CH2CCCH/HCCCHCHCN | ∼50 | Cernicharo et al. (2021a), Lee et al. (2021b) |
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