| Parameter | 14N16O2 Value a [MHz] |
15N16O2 Value [MHz] |
14N16O18O Value [MHz] |
Ref. |
|---|---|---|---|---|
| A | 239 868.7(110) | 228 756.1(40) | 235 802.5(150) | 64008 |
| B | 13 000.12(60) | 13 003.06(20) | 12 264.92(80) | |
| C | 12 303.45(60) | 12 274.73(20) | 11 632.71(80) | |
| τaaaa | -299.4(4) | -273.4(40) | -284.4(40) | |
| τbbbb | -0.041 44(15) | -0.041 44(15) | -0.037 21(15) | |
| τaabb | 1.843(20) | 1.761(20) | 1.705(20) | |
| τabab | -0.2453(10) | -0.2445(10) | -0.2188(10) | |
| µb [C · m] µb [D] |
0.316(10) b |
0.294(15) c |
| a See table below for constants derived from
infrared and microwave spectra. b Reference [63009]. c Reference [64009]. |
| Parameters | 14N16O2 Value a [MHz] |
14N16O2 υ2=1 Value b [MHz] |
15N16O2 Value a [MHz] |
14N16O18O Value c [MHz] |
14N16O17O Value d [MHz] |
|---|---|---|---|---|---|
| Ref. | 66026 | 76019 | 66026 | 64008 | 66025 |
| As | 5401.76(7) | 5920.4(13) | 5149.07(10) | 5326.08(460) | 5369.58(250) |
| Bs | 7.65(2) | 6.4(3) | 7.70(3) | 7.72(5) | 8.05(260) |
| Cs | -95.24(2) | -97.1(3) | -94.99(10) | -90.58(6) | -92.92(90) |
| (O)I (14N or 15N) | 147.23(3) | 147.0(2) | -206.46(6) | 146.62(60) | 147.28(5) |
| (aa)I (14N or 15N) | -22.16(7) | -22.2(4) | 30.89(20) | -19.92(220) | -21.93(14) |
| (cc)I (14N or 15N) | -17.69(8) | -18.1(4) | 25.11(20) | -18.85(130) | -17.00(24) |
| (aa)Q (14N) | 0.45(6) | 0.45 a | 1.69(120) | 0.41(8) | |
| (cc)Q (14N) | 1. 26(5) | 1.26 a | 0.92(60) | 1.33(15) | |
| (O)I (17O) | -63.76(3) | ||||
| (aa)I (17O) | 50.48(8) | ||||
| (cc)I (17O) | 55.85(10) | ||||
| (aa)Q (17O) | -0.202(14) | ||||
| (cc)Q (17O) | -0.009(16) | ||||
a Assumed value.b Additional references: [50018], [51014], [58004], [59010], [62003], [62004], [72042], [72043], [73049], [73065], [74008], [74016], [74017], [74018], [74019], [74020], [74023], [75015], [75016], [75027], [75028], [75029].
| Parameters | Ground State Value [MHz] |
Ref. | (0,1,0) State Value [MHz] |
Ref. |
|---|---|---|---|---|
 |
239 905.41(63) | 76020 a | 251 027.(23) | 75036 b |
 |
13 002.262(123) | 13 000.13(234) | ||
 |
12 304.888(66) | 12 278.87(192) | ||
| ΔK | 80.94(39) | 101.45(183) | ||
| ΔNK | -0.5903(90) | -0.668(35) | ||
| ΔN | 9.033(90) x 10-3 | 9.033(90) x 10-3 | ||
| δK | 0.12(5) | 0.12(5) | ||
| δN | 9.303(288) x 10-4 | 9.303(288) x 10-4 | ||
| HK | 0.0977(138) | 0.0977(138) | ||
| HKN | -7.26(165) x 10-4 | -7.26(165) x 10-4 | ||
| HN | 1.6(18) x 10-8 | 1.6(18) x 10-8 | ||
| LK | 1.7(12) x 10-4 | 1.7(12) x 10-4) |
a See [76020] for molecular constants for υ3=1 also.b The change in parameters between the ground state and υ2=1 are reported. These changes are significant only for the values of
