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This article has 2 errata:
[https://doi.org/10.1051/0004-6361/201935428e]
[https://doi.org/10.1051/0004-6361/201935887e]
Table 5.
Ground state spectroscopic parameters(a) of CH3C(O)CH3.
| Parameter | Groner et al. (2002) | Modified fit of Groner et al. (2002) | This work |
|---|---|---|---|
| ρ | 0.0621760 (60) | 0.062257 (38) | 0.0619535 (120) |
| β/° | 25.8322 (93) | 26.196 (48) | 25.5065 (76) |
| A/MHz | 10165.21654 (80) | 10165.21755 (64) | 10165.217780 (280) |
| B/MHz | 8515.16477 (65) | 8515.16382 (53) | 8515.163068 (248) |
| C/MHz | 4910.19903 (44) | 4910.19880 (36) | 4910.198777 (209) |
| ΔJ/kHz | 4.9055 (25) | 4.87712 (192) | 4.854449 (219) |
| ΔJK/kHz | −3.620 (17) | −3.3984 (103) | −3.17067 (60) |
| ΔK/kHz | 10.245 (17) | 10.0333 (109) | 9.79105 (88) |
| δJ/kHz | 2.0645 (12) | 2.05031 (93) | 2.038605 (99) |
| δK/kHz | −0.7393 (56) | −0.68451 (285) | −0.60720 (39) |
| ΦJ/mHz | 50.6 (34) | 30.59 (166) | 6.505 (71) |
| ΦJK/mHz | −337. (20) | −202.8 (66) | −32.02 (31) |
| ΦKJ/mHz | 0. | 0. | 43.45 (114) |
| ΦK/mHz | 423. (20) | 279.1 (51) | 20.91 (136) |
| ϕJ/mHz | 25.4 (17) | 15.36 (83) | 3.225 (34) |
| ϕJK/mHz | −27.3 (41) | 0. | 39.595 (166) |
| ϕK/mHz | −221.5 (83) | −168.70 (295) | −76.16 (58) |
| ϵ10/MHz | −763.198 (62) | −764.574 (178) | −764.737 (38) |
| ϵ20/MHz | 0.767 (13) | 0.7851 (100) | 0.77490 (283) |
| ϵ11/MHz | 1.050 (43) | 1.092 (33) | 1.0902 (95) |
| ϵ1 − 1/MHz | 0.0800 (83) | 0.0800 (61) | 0.07346 (262) |
| [A − (B + C)/2]10/kHz | 55.07 (64) | 83.86 (192) | 49.83 (46) |
| [(B + C)/2]10/kHz | −21.16 (56) | −39.66 (274) | −3.425 (262) |
| [(B − C)/4]10/kHz | −3.40 (27) | −12.54 (138) | 5.536 (129) |
| [ΔJ]10/Hz | 39.06 (34) | 30.01 (159) | 41.66 (63) |
| [ΔJK]10/Hz | −99.8 (17) | −84.92 (295) | −121.52 (172) |
| [ΔK]10/Hz | 73.7 (17) | 54.64 (259) | 78.00 (128) |
| [δJ]10/Hz | 19.60 (18) | 15.15 (80) | 2.429 (68) |
| [δK]10/Hz | −34.27 (98) | −32.37 (87) | −19.10 (43) |
| [d2]10/Hz | −18.54 (33) | ||
| [ΦJ]10/mHz | −9.268 (286) | ||
| [ΦJK]10/mHz | 25.71 (67) | ||
| [ΦKJ]10/mHz | −24.59 (60) | ||
| [ΦK]10/mHz | 9.13 (70) | ||
| [ϕJ]10/mHz | −0.684 (39) | ||
| [ϕJK]10/mHz | 4.034 (105) | ||
| [ϕK]10/mHz | −1.90 (37) | ||
| [h2]10/mHz | 4.255 (145) | ||
| [h3]10/mHz | 0.311 (39) | ||
 /kHz |
103.3 (213) | ||
 /Hz |
−292. (37) | −273.1 (92) | |
 /kHz |
340. (44) | −292.90 (280) | |
 /kHz |
−1.3420 (271) | ||
 /mHz |
343.9 (78) | ||
| [A − (B + C)/2]1 − 1/kHz | 1.62 (25) | ||
| [(B + C)/2]1 − 1/kHz | −1.43 (18) | ||
| [(B − C)/4]1 − 1/kHz | −0.475 (73) | ||
| [A − (B + C)/2]20/kHz | 0.87 (21) | ||
| [(B + C)/2]20/kHz | −0.31 (13) | ||
| No. of transitions fit | 1002.0 | 1002.0 | 2181 |
| No. of lines fit | 1002.0 (b) | 1002.0 (b) | 1862 |
| Standard deviation (c) | 1.58 | 1.29 | 0.95 |
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