| Parameter | 23Na1H | 23Na2H | Ref. |
|---|---|---|---|
| Y01 [MHz] | 146 999.10(30) | 76 659.59(20) | 81027 |
| Y11 [MHz] | -4108.99(80) | -1546.94(40) | |
| Y21 [MHz] | 32.83(50) | 8.76(20) | |
| Y31 [MHz] | -0.96(7) | -0.16(4) | |
| Y02 [MHz] | -10.307(20) | -2.802(6) | |
| Be [MHz] | 14 7076.(10) | 76 680(2) | |
| µr [u] | 0.965 499 49 | 1.851 862 66 | |
| 1.886 52(9) | 1.886 53(34) |
