Table 2
RAIRS features observed in irradiated ethanol and ethanol:CO mixtures, with those only observed in mixtures indicated by an asterisk.
| Peaks (exp.) | Tdes (exp.) | amu | Species | Lit. | A′ | Ref. | |
|---|---|---|---|---|---|---|---|
| (cm−1) | (μm) | (K) | (cm−1) | (10−17 cm) | |||
| 2344 | 4.27 | 80 | 44 | ![Mathematical equation: $\[\mathrm{CO}_2^a\]$](/articles/aa/full_html/2026/04/aa57923-25/aa57923-25-eq1.png) |
2343 | 7.6 | [1] |
| *2143 | 4.67 | 30 | 28 | CO | 2139 | 1.1 | [1] |
| 2131 | 4.69 | 110 | 42 | H2CCO | 2133 | − | [2] |
| *1855 | 5.40 | <30 | − | HCO | 1853 | 1.8 | [2] |
| *1843 | 5.43 | <30 | − | HOCO | 1846 | 4.6 | [2] |
| *1726 | 5.80 | − | − | H2CO | 1725 | 1.6 | [1] |
| 1715 | 5.80 | 110 | 44 | CH3CHO | 1721 | 3.0 | [3] |
| 1678 | 5.96 | 200 | 43 | CH2CHOH | 1678 | − | [4] |
| 1636 | 6.11 | 200 | 43 | CH2CHOH | 1639 | 2.8 | [4] |
| *1500 | 6.68 | 110 | 30 | H2CO | 1500 | − | [1] |
| 1428 | 6.70 | − | − | CH3CHO | 1428 | − | [3] |
| 1350 | 7.40 | − | − | CH3CHO | 1350 | − | [3] |
| 1304 | 7.67 | 50 | 16 | ![Mathematical equation: $\[\mathrm{CH}_4^a\]$](/articles/aa/full_html/2026/04/aa57923-25/aa57923-25-eq2.png) |
1302 | 0.8 | [1] |
| 955 | 10.47 | 140 | 88 | acetoinb | − | − | − |
| 883 | 11.32 | 155 | 31 | ethanol | 886 | 0.3 | [5] |
Notes. aUnable to be connected to the mechanism in pure samples, due to either a missing product partner or proposed pathway. bAssignment is tentative given the lack of supporting literature. References: [1] Bouilloud et al. (2015), [2] Chuang et al. (2020), [3] Hudson & Ferrante (2019), [4] Bennett et al. (2005), [5] Hudson (2017).
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.