Table 2
List of vibrational transitions and band strengths of molecules presented in this work.
| Structure | Chemical formula | name | λ [µm] | ν [cm−1] | Identification | 𝒜 [cm molec−1] | References (a) |
|---|---|---|---|---|---|---|---|
 |
H2O | Water | 3.01 | 3322 | OH str. | 2.2 × 10−16 | [1] |
 |
12CO | Carbon monoxide | 4.67 | 2141 | CO str. | 1.4 × 10−17 | [1] |
 |
12CO2 | Carbon dioxide | 4.27 | 2141 | CO str. | 1.1 × 10−16 | [1] |
 |
13CO2 | Carbon dioxide | 4.38 | 2283 | CO str. | 1.1 × 10−16 | [1] |
 |
NH3 | Ammonia | 9.0 | 1111 | NH str. | 2.1 × 10−17 | [1] |
 |
CH4 | Methane | 3.32 | 3007 | CH str. | 1.27 × 10−17 | [1] |
 |
CH4 | Methane | 7.67 | 1303 | CH4 def. | 8.4 × 10−18 | [1] |
 |
SO2 | Sulfur dioxide | 7.60 | 1320 | SO2 str. | 3.4 × 10−17 | [2] |
 |
N2O | Nitrous oxide | 4.47 | 2337 | NO str. | 1.22 × 10−17 | [3] |
 |
OCN− | Cyanate ion | 4.59 | 2166 | CN str. | 1.3 × 10−16 | [4] |
 |
OCN− | Cyanate ion | 7.62 | 1312 | Comb. (2ν2) | 7.45 × 10−18 | [5] |
 |
H2CO | Formaldehyde | 8.04 | 1244 | CH2 rock | 1.0 × 10−18 | [6] |
 |
HCOOH | Formic acid | 8.22 | 1216 | C-O stretch | 2.9 × 10−17 | [1] |
 |
CH3OH | Methanol | 3.2–3.8 | 2631–3125 | CH str. | 1.3 × 10−16 | [1] |
 |
CH3OH | Methanol | 9.74 | 1026 | CO str. | 1.8 × 10−17 | [1] |
 |
CH3OCHO | Methyl formate | 8.25 | 1211 | C–O str. | 2.52 × 10−17 | [7] |
Notes. [1] Bouilloud et al. (2015), [2] Boogert et al. (1997), [3] Fulvio et al. (2009), [4] van Broekhuizen et al. (2005), [5] Rocha et al. (2024b), [6] Schutte et al. (1993), [7] Terwisscha van Scheltinga et al. (2021). (a)References to Bouilloud et al. (2015) refer to the corrected band strength value considering a different ice density mentioned by the authors.
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