. Author manuscript; available in PMC: 2021 Oct 27.

Published in final edited form as: Astrophys J. 2021 Jul 8;915(2):76. doi: 10.3847/1538-4357/ac013f

Table 3. Sample list of the measured transition frequencies for the ground-state of cyanoacetic acid.

Technique	J′	K_a′	K_c′	F′	J″	K_a″	K_c″	F″	U_obs ^a(MHz)	U_calc ^b (MHz)	Uobs-U_calc ^c (MHz)
	2	1	2	2	1	1	1	1	7898.1967	7898.1967	0.0001
	2	1	2	2	1	1	1	2	7898.5439	7898.5424	0.0015
	2	1	2	3	1	1	1	2	7899.2045	7899.2039	0.0006
MB-FTMW	2	1	2	1	1	1	1	2	7899.5725	7899.5717	0.0007
	2	1	2	1	1	1	1	0	7900.0909	7900.0901	0.0008
	3	1	2	3	2	1	1	2	13009.1663	13009.1648	0.0015
	3	1	2	4	2	1	1	3	13009.4489	13009.4480	0.0009
	3	1	2	2	2	1	1	1	13009.4668	13009.4709	-0.0041
	2	1	2	1	1	0	1	0	15821.9328	15821.9533	-0.0205
	2	1	2	2	1	0	1	2	15822.3606	15822.3688	-0.0081
CP-FTMW	2	1	2	3	1	0	1	2	15823.0169	15823.0303	0.0133
	2	1	2	2	1	0	1	1	15823.3103	15823.3319	-0.0216
	2	1	2	1	1	0	1	1	15824.3454	15824.3613	-0.0159
	5	1	5	5	4	0	4	4	26032.0800	26032.0715	0.0085
	5	1	5	6	4	0	4	5	26032.1200	26032.1139	0.0061
DR-MB-FTMW	2	2	0	1	1	1	1	0	32854.6280	32854.6368	-0.0088
	2	2	0	3	1	1	1	2	32854.6940	32854.6951	0.0011
	2	2	0	2	1	1	1	1	32854.7600	32863.7728	0.0138

Notes. Upper and lower state quantum numbers are indicated by’ and”, respectively.

^(a)

Observed frequency.

^(b)

Calculated frequency.

^(c)

Observed minus calculated frequency.