Open Access

Table B.2.

Improved rotational and distortion constants for CH2CCHC3N.

Constant Laboratory1 Lab + TMC-12
(MHz)
A 15351.89314(36) 15351.89321(41)
B 954.343246(105) 954.343014(70)
C 903.075581(88) 903.075751(62)
DJ × 104 1.53425(187) 1.53243(73)
DJK × 102 -24.1218(75) -24.1204(78)
dJ × 105 3.2427(274) 3.1674(92)
χaa -3.77238(147) -3.77234(167)
χbb 1.74588(148) 1.74567(168)
Jmax 15 23
Ka, max 2 3
Nlines 100 134
σ (kHz) 1.7 8.9
νmax (MHz) 27783 43227

Notes.

(1)

Rotational and distortion constants kindly provided by M. McCarthy.

(2)

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

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