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Table 1.
Spectroscopic parameters of cyanoketene in MHz – Reduction S.
| Parameter | This work (a) | Hahn et al. (2004)(b) |
|---|---|---|
| A | 29601.17783 (98) (c) | 29601.2097 (76) |
| B | 2812.14944 (11) | 2812.15030 (88) |
| C | 2563.72222 (11) | 2563.72331 (77) |
| DJ × 103 | 1.539026 (76) | 1.5385 (32) |
| DJK × 103 | −115.00801 (47) | −114.967 (97) |
| DK × 103 | 2813.778 (55) | 2814.1 (13) |
| d1 × 103 | −0.3688395 (72) | −0.36860 (15) |
| d2 × 103 | −0.0091383 (12) | −0.009248 (32) |
| HJ × 106 | 0.006213 (22) | 0.00957 (27) |
| HJK × 106 | −0.21768 (16) | |
| HKJ × 106 | −24.0191 (27) | −27.8 (11) |
| HK × 106 | 807.50 (86) | 891. (37) |
| h1 × 109 | 2.3535 (20) | 2.360 (23) |
| h2 × 109 | 0.13074 (31) | 0.311 (12) |
| h3 × 109 | 0.04377 (17) | |
| LJ × 1012 | −0.0.0382 (22) | |
| LJJK × 1012 | 1.555 (17) | |
| LJK × 109 | −0.05033 (14) | |
| LKKJ × 109 | 10.0790 (97) | |
| l1 × 1012 | −0.01585 (18) | |
| l3 × 1015 | −1.170 (38) | |
| l4 × 1015 | −0.0579 (72) | |
| PKKJ × 1012 | −3.206 (10) | |
| Number of distinct lines | 1664 | 70 |
| Standard deviation of the fit (in kHz) | 24.5 | 39.4 |
| Weighted deviation of fit | 0.75 | |
Notes.
(b)
Data from Hahn et al. (2004) originally treated with A reduction but fitted here in the S reduction.
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