Table 1
Summary of IR band strength and ionization cross-section values for species analyzed in this work.
| Species | Formula | IR position | A in transmission | A used in this work(a) | Ref. | Ionization σ | Ref. |
|---|---|---|---|---|---|---|---|
| (cm−1) | (cm molecule−1) | (cm molecule−1) | (Å2) σ70eV/σmax(cal.) | exp./cal. | |||
| Ketene | CH2CO | 2133 | 1.2 × 10−16 | 6.6 × 10−16 | [1] | – /6.5 | – /[5] |
| Acetaldehyde | CH3CHO | 1705 | 3.0 × 10−17 (b) | 1.7 × 10−16 | [2] | 6.5/6.7 | [6]/[5] |
| Vinyl alcohol | CH2CHOH | 1639 | 2.8 × 10−17 (b) | 1.5 × 10−16 | [2] | – /6.5 | – /[7] |
| Ethanol | CH3CH2OH | 1041 | 1.4 × 10−17 | 7.7 × 10−17 | [3] | 7.3/7.5 | [8]/[9] |
| Acetic acid | CH3COOH | 1742 | 1.1 × 10−16 (c) | 6.1 × 10−16 | [4] | 7.7/7.5 | [10]/[5] |
Notes. (a) Obtained from literature value (transmission) by multiplying a conversion factor of 5.5 for the current RAIRS geometry setting. (b) Calculated value. (c) Gas-phase value.
References. [1] Berg & Ewing (1991); [2] Bennett et al. (2005a); [3] Hudson (2017); [4] Maréchal (1987); [5] Gussoni et al. (1998); [6] Bull & Harland (2008); [7] NIST database; [8] Hudson et al. (2003); [9] Gray & Gubbins (1984); [10] Bhutadia et al. (2012).
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