Table 2. Ground-state spectroscopic parameters of syn-glycolamide (A-Reduction, Ir-Representation).
| Parameters | This study | Stark experiment(a) |
|---|---|---|
| A(b) (MHz) | 10454.26296 (48)(f) | 10454.260 (6) |
| B (MHz) | 4041.15605 (24) | 4041.163 (4) |
| C (MHz) | 2972.07260 (20) | 2972.083 (5) |
| ∆J (kHz) | 0.77546 (14) | 0.80 (2) |
| ∆K (kHz) | 2.35393 (55) | 2.36 (6) |
| ∆JK (kHz) | 6.47368 (90) | 6.3 (2) |
| δJ (kHz) | 0.204628 (23) | 0.202 (5) |
| δK (kHz) | 2.0742 (21) | 1.8 (2) |
| ΦJ (mHz) | -0.492 (36) | - |
| ΦJK (Hz) | -0.02302 (28) | - |
| ΦK (Hz) | 0.04078 (77) | - |
| φJK (Hz) | -0.01456 (71) | - |
| φK (Hz) | -0.1638 (21) | - |
| χaa (c) (MHz) | 2.051 (4) | 2.3 (2) |
| χbb (MHz) | 1.930 (6) | 2.2 (1) |
| χcc (MHz) | -3.982 (6) | -3.5 (1) |
| (d) | ||
| N | 1480 | 121 |
| σ(e) (kHz) | 50 | 34 |
Notes.
(a)
The parameters for the previous Stark experiment were published in Maris (2004).
(b)
A, B, and C represent the rotational constants.
(c)
χaa, χbb, χcc are the diagonal elements of the 14N nuclear quadrupole coupling tensor.
(d)
N is the number of measured transitions.
(e)
σ is the root mean square (rms) deviation of the fit.
(f)
Standard error in parentheses in units of the last digit.