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Table 2.

Rotational constants of v12 = 1, and v9 = 1 excited vibrational states of the parent isotopolog of thioformamide.

Parameters v12 = 1 v9 = 1
A (MHz) 61118.626(83) (a) 61890.776(81)
B (MHz) 6098.12788(52) 6101.04527(57)
C (MHz) 5552.46610(25) 5544.50067(27)
ΔJ (kHz) 2.608050(46) 2.582672(44)
ΔJK (kHz) −48.371(17) −47.945(17)
ΔK (kHz) 1433.5(12) 1561.6(16)
δJ (kHz) 0.377740(70) 0.377563(72)
δK (kHz) 16.3958(97) 18.7564(88)
ΦJ (Hz) 0.0019722(68) 0.0019123(65)
ΦJK (Hz) −0.02115(16) −0.01684(19)
ΦKJ (Hz) −4.9201(99) −5.961(12)
ϕJ (Hz) 0.000670(14) 0.000648(13)
LKKJ (mHz) 0.423(19) 0.450(25)
ΔE (MHz)/(cm−1) 1798505.8(17)/59.991696(57)
Ga (MHz) 25010.4(24)
(MHz) 0.00665(59)
Gb (MHz) −829.39(51)
(MHz) 0.003478(42)

N(b) 690 686
σ (MHz) (c) 0.028 0.027
σw(d) 0.68 0.64

Notes.

(a)

Number in parentheses are one time the standard deviation.

(b)

Number of distinct frequency lines in the fit.

(c)

Standard deviation of the fit.

(d)

Weighted deviation of the fit.

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