Table E.1.
List of IR features identified in the IFs prior and during the irradiation, adapted from Augé et al. (2019). The positions of features are indicated in parentheses when they differ from value reported in the literature.
| Wavenumber | Identification | Assignment | A | References |
|---|---|---|---|---|
| cm−1 | ×10−17cm ⋅ molec.−1 | |||
| 4538 | CH4 | ν2 + ν4 | a | |
| 4502 | CD4 | 2ν3 + νL | b | |
| 4477 | CD4 | 2ν3 | c | |
| 4337 | CH4 | ν3 + ν4 | a | |
| 4327 | CH4 | ν3 + ν4 | a | |
| 4318 | CH4 | ν3 + ν4 | a | |
| 4310 | CH4 | ν3 + ν4 | a | |
| 4194 | CH4 | ν3 + 2ν4 | c | |
| 4122 | CH4 | 2ν1 + ν4 | a | |
| 3852 | CH4 | 3ν4 | a | |
| 3708 (3710) | CO2 | ν1 + ν3 | 0.14 | t, u |
| 3371 (3369) | NH3 | ν3 | 1.1 | q |
| 3420-3120 | NH3 | Large band | 2.2-3.0 | q, r |
| 3270 | H-C=C-R | ν(C-H) | d | |
| 3226 | CD4 | ν3 + ν4 | c | |
| 3217 (3211) | NH3 | ν1 | s | |
| 3091 | CD4 | ν1 + ν4 | c | |
| 3087 | CD4 | ν1 + ν4 | c | |
| 3010 | CH4 | ν3 | 0.64 | q |
| 2985 | C2H6 | ν10 | d | |
| 2983 | CHD3 | ν1 | c | |
| 2926 | CD4 | 3ν4 | c | |
| 2914 | CH4 | ν1 | a | |
| 2832 | CH4 | ν2 + ν4 | a | |
| 2827 | CH4 | ν2 + ν4 | a | |
| 2826 | CH4 | ν2 + ν4 | a | |
| 2820 | CH4 | ν2 + ν4 | a | |
| 2814 | CH4 | ν2 + ν4 | a | |
| 2617 | CH4 | ν2 + ν4 | a | |
| 2602 | CH4 | 2ν4 | a | |
| 2597 | CH4 | 2ν4 | a | |
| 2503 (2489) | ND3 (15ND3) | ν3 | s | |
| 2402 | C2D2 | ν3 | e | |
| 2347 | N2 | ν1 | 0.0015 | f |
| 2343 (2348) | CO2 | ν3 | 7.6 | |
| 2328 | N2 | ν1 | 0.00022 | f |
| 2326 (2321) | ND3 (15ND3) | ν1 | s | |
| 2283 | 13CO2 | ν3 | 7.8 | t |
| 2251 (2256) | CD4 | ν3 | c | |
| 2242 | CD4 | ν3 | c | |
| 2237 | 13CD4 | ν3 | c | |
| 2212 | C2H4N4 | g | ||
| 2139 | CO | 1.1 | h | |
| 2100 | HCN | i | ||
| 2092 | 13CO | 1.3 | t, u | |
| 2091 | CN− | j | ||
| 2073 | CD4 | ν2 + ν4 | c | |
| 2040 | 13CO | t | ||
| 2036 | HNC | ν3 | k | |
| 1975 | CD4 | 2ν4 | c | |
| 1887 | C2HD | ν2 | e | |
| 1656 | N3 | 0.0072 | l | |
| 1626 | NH3 | ν4 | 0.47 - 0.56 | m |
| 1465 | C2H6 | 0.416 | n | |
| 1454 | NH4+ | ν4 | o | |
| 1305 | CH4 | ν4 | 0.61 | a |
| 1070 (1073) | NH3 | ν2 | 2.1 â 1.7 | m, r |
| 990 | CD4 | ν4 | c | |
| 833 (816) | ND3 (15ND3) | ν2 | 5.6 | s |
| 825 | C2H6 | ν12 | 1.6 | p |
| 757 | C3H8 | d | ||
| 660 (662) | CO2 | ν2 | 1.1 | t, u |
a: Bennett & Kaiser (2007); b: Calvani et al. (1989); c: He et al. (2010); d: Gerakines et al. (1996); e: Bottger & Eggers (1964); f: de Barros et al. (2015); g: Gerakines et al. (2004); h: Palumbo & Strazzulla (1993); i: Burgdorf et al. (2010); j: Moore & Hudson (2003); k: Wu et al. (2013); l: Hudson & Moore (2002); m: Sandford & Allamandola (1993); n: Moore & Hudson (1998); o: Schutte & Khanna (2003); p: Öberg et al. (2009); q: D’Hendecourt & Allamandola (1986); r: Bouilloud et al. (2015); s: Holt et al. (2004); t: Gerakines et al. (1995); u: Isokoski et al. (2013).
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