Table 2
Weighted means of TPD- and TID-derived (12CO–12CO)Eb and (13CO–13CO)Eb compared with literature values.
| Molecule | ν° (s−1) | Reported Eb(K) | Weighted mean ( (K)) |
Weighted mean ( (K)) |
|---|---|---|---|---|
| TPD data (this work) | TID data (this work) | |||
| 12CO |  |
758 ± 37 | N/A | 878 ± 2 |
| 12CO | 6.5 × 1026 (b) | 834 | 925 ± 15 | 891 ± 2 |
| 12CO | 7.2 × 1026 (c) | 858 ± 15 | 928 ± 15 | 894 ± 2 |
| 12CO | N/A (d) | 855 ± 25 | – | – |
| 12CO | (6.9 ± 4.2) × 1025 | – | 862 ± 14 | 833 ± 5 |
| (This work) | ||||
| 13CO | 7.0 × 1026 (c) | 854 ± 10 | 939 ± 17 | 904 ± 2 |
| 13CO | 7.0 × 1026 ± 1 (e) | 855 ± 25 | 933 ± 17 | 908 ± 11 |
| 13CO | (7 ± 2) × 1026 (f) | 825 ± 25 | 934 ± 17 | 906 ± 3 |
| 13CO | (8.5 ± 6.4) × 1025 | – | 874 ± 17 | 848 ± 6 |
| (This work) |
Notes. References given apply to ν° and Eb, except where noted. (a)Luna et al. (2018): ν° includes temperature dependence and was derived for calculations through constant temperature desorption (TID). (b) Muñoz Caro et al. (2010), (c) Acharyya et al. (2007), (d) Öberg et al. (2005): Eb was estimated using the peak of the TPD curve, and no ν0 values were used. (e)Bisschop et al. (2006), (f)Collings et al. (2003a).
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