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Table 1

Rotational constants of MAAN.

Parameters Ground state Theory ν21 = 1 ν20 = 1

A (MHz) 12 318.41521(26)a 12 123.12 12 331.380(13) 12 386.024(13)
B (MHz) 3912.427270(66) 3979.06 3903.4857(22) 3912.4129(22)
C (MHz) 3022.364639(55) 3051.76 3023.676651(91) 3020.55463(11)
ΔJ (kHz) 3.069842(21) 3.405 3.08068(10) 2.99944(11)
ΔJK (kHz) –19.87015(13) –23.45 –20.3285(19) –19.0813(20)
ΔK (kHz) 64.21747(88) 67.60 64.351(25) 64.832(30)
δJ (kHz) 1.007889(15) 1.146 1.009530(64) 0.980315(68)
δK (kHz) 5.51296(10) 4.882 5.5382(16) 5.8723(17)
ΦJ (Hz) 0.0086602(44) 0.0083710(70) 0.0075894(76)
ΦJK (Hz) –0.038544(54) –0.03642(34) –0.02510(33)
ΦKJ (Hz) –0.19434(28) –0.2325(34) –0.2107(36)
ΦK (Hz) 1.04940(94) [ 1.0494]b [ 1.0494]b
φJ (Hz) 0.0041171(29) 0.0039678(45) 0.0036143(49)
φK (Hz) 0.64226(58) 0.6500(43) 0.7160(47)
LJ (mHz) –0.00003323(29) [0.0] [0.0]
LJJK (mHz) 0.0001352(33) [0.0] [0.0]
LJK (mHz) –0.001548(27) [0.0] [0.0]
LKKJ (mHz) 0.00649(16) [0.0] [0.0]
lJ (mHz) –0.00001690(18) [0.0] [0.0]
ΔE (MHz) 454 842.08(12)
Ga (MHz) 6534.61(45)
(MHz) 0.008065(36)
(MHz) –0.11558(69)
Gb (MHz) 2447.68(21)
(MHz) –0.001409(19)
(MHz) 0.12014(59)
(kHz) –0.000953(52)

Nc 1684 540 551
σ (MHz)d 0.029 0.021 0.022
σwe 0.64 0.55 0.55

Notes.

(a)

Number in parentheses are one time the standard deviation.

(b)

Fixed to the ground state value.

(c)

Number of distinct frequency lines in fit.

(d)

Standard deviation of the fit.

(e)

Weighted deviation of fit.

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