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Table 5

Excerpt from the experimental transition frequencies of 12CH3O13CH3.

Tors. substate J J ′′ Frequency Rel. weight Uncert. Obs.-calc. Weighted obs.-calc.
σ 1 σ 2 (MHz) in blend (MHz) (MHz) for set of blends (MHz)

00 8 1 8 7 2 5 34 549.9764 0 0.01 0.001
10 8 1 8 7 2 5 34 552.5450 0.5 0.01 0.0313
01 8 1 8 7 2 5 34 552.5450 0.5 0.01 –0.0304 0.0005
1–1 8 1 8 7 2 5 34 555.1114 0.5 0.01 0.005
11 8 1 8 7 2 5 34 555.1114 0.5 0.01 –0.0096 –0.0023
11 4 1 3 4 0 4 35 383.7468 0.5 0.01 0.0022
1–1 4 1 3 4 0 4 35 383.7468 0.5 0.01 0.0007 0.0014
01 4 1 3 4 0 4 35 384.7105 0.5 0.01 0.0126
10 4 1 3 4 0 4 35 384.7105 0.5 0.01 –0.009 0.0018
00 4 1 3 4 0 4 35 385.6620 0 0.01 –0.0101
00 13 3 11 12 4 8 35 727.7498 0 0.01 –0.0012
10 13 3 11 12 4 8 35 730.7270 0 0.01 –0.0166
01 13 3 11 12 4 8 35 730.8599 0 0.01 –0.0066
1–1 13 3 11 12 4 8 35 733.5068 0 0.01 –0.0206
11 13 3 11 12 4 8 35 734.1965 0 0.01 0.0025

Notes. The full experimental linelist is available at the CDS.

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