NIST: Triatomic - Centrifugal Distortion Analysis of F2O

Table A.2.1. Centrifugal Distortion Analysis of F₂O
Transition $J^\prime_{K_P^\prime ,K_0^\prime}$ $J^{\prime\prime}_{K_P^{\prime\prime} ,K_0^{\prime\prime}$	Measured Frequency (MHz)	Unweighted Fit		Kirchhoff's Fit
	Measured Frequency (MHz)	^a (MHz)	t()	^a (MHz)	t()
Transitions not included in present analysis:
7_0,7 6_1,6	104 837.67	0.350	3.1	0.450	3.7
9_1,8 9_0,9	97 965.32	0.321	2.1	0.957	5.8
10_1,9 9_2,8	97 879.86	0.375	3.2	0.688	5.4
11_4,7 12_3,10	98 425.89	0.557	4.5	0.600	4.4
16_5,11 17_4,14	92 195.43	0.569	4.6	0.762	5.3
17_2,15 18_1,18	59 137.55	-1.962	-11.1	-0.059 ^b	-1.7
22_2,21 21_3,18	38 675.10	-1.104	-10.5	-0.188 ^b	-2.8
36_4,32 37_3,35	29 473.73	-30.740	-16.0	+31.045	+4.6
Additional transitions not included in Kirchhoff's fit:
18_2,17 17_3,14	46 795.92	0.160	2.0	0.725	6.9
21_2,20 20_3,17	45 089.52	0.089	1.2	1.215	10.1
24_2,23 23_3,20	17 257.96	-0.044	-0.6	-1.360	-6.9
25_3,22 26_2,25	14 720.63	-0.003	-0.1	8.184	10.6
Some predicted transitions with standard deviations:
	Present Results ₀ calc.		Kirchhoff's Results ₀ calc.
19_2,17 20_1,20	95 193.233 ± 0.33		95 187.297 ± 0.31
26_3,23 27_2,26	34 189.509 ± 0.18		34 175.032 ± 1.35
27_3,24 28_2,27	55 661.343 ± 0.34		55 637.913 ± 2.21
28_3,25 29_2,28	78 868.074 ± 0.59		78 832.342 ± 3.41
29_3,26 30_2,29	103 521.610 ± 0.96		103 469.450 ± 5.04
30_3,28 29_4,25	101 226.877 ± 0.36		101 212.210 ± 1.43
31_3,29 30_4,26	90 570.656 ± 0.38		90 555.764 ± 1.50
32_3,30 31_4,27	76 921.974 ± 0.36		76 908.831 ± 1.35
35_3,33 34_4,30	19 751.208 ± 0.42		19 764.853 ± 1.47
35_4,31 36_3,34	3 945.408 ± 1.03		3 911.673 ± 3.69
36_4,32 37_3,35	29 504.470 ± 1.91		29 442.685 ± 6.80
37_4,33 38_3,36	56 618.503 ± 3.13		56 519.049 ± 11.04
38_4,34 39_3,37	84 965.079 ± 4.75		84 816.543 ± 16.62

^a Observed minus calculated frequency.
^b Transitions included in Kirchhoff's analysis [71031].

Table A.2.1. Centrifugal Distortion Analysis of F2O

Table A.2.1. Centrifugal Distortion Analysis of F₂O