Open Access
Table 2
BE calculations for radicals and their comparison.
| Sl. no. | Radicals | Formula | Ground-state spin multiplicity | BE in Kelvin | ||||
|---|---|---|---|---|---|---|---|---|
| PENTEADO(a) | DAS(b) | KIDA(*) database | Experimental | This work | ||||
| 1. | Methylidyne radical | CH | Doublet | 590 ± 295 | – | 925(c,g) | – | 2044 ± 94 |
| 2. | Imidogen | NH | Triplet | 542 ± 270 | 1947 | 2378(c,g), 2600 ± 780(d) | – | 2234 ± 178 |
| 3. | Hydroxyl radical | OH | Doublet | 3210 ± 1550 | 3183 | 2850(c,g), 4600 ± 1380(d), 5698(e) | 4600(f), 1656 – 4760(h) | 4287 ± 566 |
| 4. | Mercapto radical | SH / HS | Doublet | 1350 ± 500 | 2221 | 1450(c,g), 2700 ± 810(d) | – | 2482 ± 314 |
| 5. | Cyano radical | CN | Doublet | 1355 ± 500 | 1736 | 1600(c,g), 2800 ± 840(d) | – | 1278 ± 41 |
| 6. | Nitrogen monosulfide | NS | Doublet | 1800 ± 500 | 2774 | 1900(c,g) | – | 2619 ± 198 |
| 7. | Nitric oxide | NO | Doublet | 1085 ± 500 | 886-1988 | 1600(c,g), 1600 ± 480(d) | – | 704 ± 94 |
Notes. (a)Penteado et al. (2017), (b)Das et al. (2018), (c)OSU gas-phase database, (d)Wakelam et al. (2017), (e)Minissale et al. (2022), (f)Dulieu et al. (2013), (g)Garrod (2013), (h)He & Vidali (2014), (*)KIDA: https://kida.astrochem-tools.org/.
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