Open Access

Table B.1.

Improved rotational and distortion constants for CH2CCHC4H.

Constant Laboratory1 Lab + TMC-12
(MHz)
A 15654.01571(87) 15654.01571(97)
B 947.90683(11) 947.906800(92)
C 898.29939(10) 898.299386(82)
DJ × 104 1.4692(15) 1.4686(10)
DJK × 102 -2.48883(88) -2.48885(93)
dJ × 105 3.100(20) 3.097(14)
Jmax 13 23
Ka, max 2 2
Nlines 45 67
σ (kHz) 1.7 9.3
νmax (MHz) 24310 42957

Notes.

1

Rotational and distortion constants derived from a fit to the laboratory data of McCarthy et al. (2020).

2

Merged rotational and distortion constants from a fit to the laboratory and TMC-1 frequencies.

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