Table A.2
Assignments, observed frequencies, calculated frequencies from the RAM fit, line strengths, and lower energy levels for 18O-methyl formate (HC18OOCH3) microwave transitions from vt = 0 torsional state included in the fit with parameters of Table 5
| Upper statea | Lower statea | |||||||||||||
| numa |
|
J′ |
|
|
p′ |
|
J′′ |
|
|
p′′ | Obs. Freq. (Unc.) | Calc. Freq (Unc.) | S(i − > f) | Lower Energy |
|
|
||||||||||||||
| 81764 | 0 | 22 | 15 | 7 | 0 | 21 | 14 | 7 | 653662.114(0.050) | 653662.108(0.005) | 7.304 | 179.8147 | ||
| 81778 | 0 | 22 | 15 | 8 | 0 | 21 | 14 | 8 | 653694.992(0.030) | 653695.051(0.006) | 7.303 | 179.8066 | ||
| 71865 | 0 | 22 | 15 | 8 | + | 0 | 21 | 14 | 8 | – | 653703.123(0.004) | 6.538 | 179.8150 | |
| 71819 | 0 | 22 | 15 | 7 | – | 0 | 21 | 14 | 7 | + | 653703.123(0.004) | 6.538 | 179.8150 | |
| 1348 | 0 | 22 | 15 | 8 | + | 0 | 21 | 14 | 7 | + | 653703.117(0.030) | 653703.123(0.004) | 0.763 | 179.8150 |
| 1409 | 0 | 22 | 15 | 7 | – | 0 | 21 | 14 | 8 | – | 653703.117(0.030) | 653703.123(0.004) | 0.763 | 179.8150 |
| 80449 | 0 | 63 | –1 | 62 | 0 | 62 | –1 | 61 | 653877.060(0.050) | 653877.075(0.013) | 196.986 | 691.4649 | ||
| 81028 | 0 | 63 | 2 | 62 | 0 | 62 | 2 | 61 | 653877.060(0.050) | 653877.075(0.013) | 196.986 | 691.4649 | ||
| 84862 | 0 | 63 | –1 | 62 | 0 | 62 | 2 | 61 | 653877.075(0.013) | 1.888 | 691.4649 | |||
| 83643 | 0 | 63 | 2 | 62 | 0 | 62 | –1 | 61 | 653877.075(0.013) | 1.888 | 691.4649 | |||
| 64 | 0 | 63 | 1 | 62 | – | 0 | 62 | 1 | 61 | – | 653881.917(0.030) | 653881.876(0.013) | 67.659 | 691.4620 |
| 628 | 0 | 63 | 2 | 62 | – | 0 | 62 | 2 | 61 | – | 653881.917(0.030) | 653881.876(0.013) | 67.659 | 691.4620 |
Notes.
Upper and lower state quantum numbers are indicated by ′ and ′′ respectively. Torsion-rotation levels of A species have a “parity” label; levels of E species have a signed Ka value (Herbst et al. 1984). Note that for certain degenerate transitions the sum of line strengths of the degenerate transitions for a given cluster is preserved.
The first column is a line number, allowing to sort the lines by J and K sub-branches if needed.
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