Table 3.
Band origins and rotational constants for several vibronic states as determined in the present study by the PGOPHER program (Western 2017).
| Upper state | Isotopologs | Parameter (cm−1) | Literature (a) (cm−1) | This study (b) (cm−1) |
|---|---|---|---|---|
| (4pπ) 1Π(v′ = 3) | 13C16O | ν0 | 109 610.2 | 109 610.7 |
 |
1.83 | 1.839 | ||
| 12C18O | ν0 | – | 109 592.5 | |
 |
– | 1.872 | ||
| (5pπ) 1Π(v′ = 1) | 13C16O | ν0 | 109 430 | 109 431.5 |
 |
1.924 | 1.95 | ||
| 12C18O | ν0 | 109 427.5 | 109 425.6 | |
 |
1.9237 | 1.923 | ||
| 1Π(v′ = 2) | 12C16O | ν0 | 109 017.9 | 109 019.4 |
 |
1.671 | 1.673 | ||
| 13C16O | ν0 | 108 904 | 108 904 | |
 |
1.597 | 1.58 | ||
| 12C18O | ν0 | 108 900 | 108 900.3 | |
 |
1.591 | 1.581 | ||
| New 1Π | 13C16O | ν0 | – | 108 465.7 |
 |
– | 1.835 | ||
| 12C18O | ν0 | – | 108 459.5 | |
 |
– | 1.906 | ||
| C′1Σ+(v′ = 9) | 13C16O | ν0 | – | 108 418.9 |
 |
– | 1.032 | ||
| 12C18O | ν0 | – | 108 405.2 | |
 |
– | 1.147 | ||
| (5dσ) 1Σ+(v′ = 0) | 13C18O | ν0 | 108 370 | 108 307.2 |
 |
1.7 | 1.812 | ||
Notes.
The band origins and rotational constants are adopted from the literature (Eidelsberg et al. 1991).
These values are determined through comparisons between the experimental C+ ion photofragment spectra obtained in this study and the simulated spectra by the PGOPHER program (Western 2017).
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