Table 1
Overview of the dataset and the fit quality.
| By measurement uncertainty | By torsional state | ||||
|---|---|---|---|---|---|
| Unc.(a) | #(b) | rms(c) |  |
#(b) | wrms(e) |
| 0.010 MHz | 3183 | 0.0095 MHz | vt = 0 ← 0 | 5371 | 0.80 |
| 0.020 MHz | 50 | 0.0196 MHz | vt = 1 ← 1 | 3105 | 0.99 |
| 0.030 MHz | 2809 | 0.0237 MHz | vt = 2 ← 2 | 104 | 0.94 |
| 0.050 MHz | 77 | 0.0487 MHz | vt = 1 ← 0 | 6137 | 0.68 |
| 0.100 MHz | 828 | 0.0781 MHz | vt = 2 ← 1 | 733 | 0.83 |
| 0.200 MHz | 325 | 0.1935 MHz | vt = 2 ← 0 | 348 | 0.79 |
| 4 × 10−4 cm−1 | 5619 | 2.9 × 10−4 cm−1 | |||
Notes. (a)Estimated measurement uncertainties for each data group. (b)Number of lines (leftpart) or transitions (right part) of each category in the least-squares fit. Note that due to blending 15 798 transitions correspond to 12 891 measured line frequencies in the fit. (c)Root-mean-square (rms) deviation of corresponding data group. (d)Upper and lower state torsional quantum number vt. (e)Weighted root-mean-square (wrms) deviation of corresponding data group.
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