Table 1.
Spectroscopic constants for the ground state of succinonitrile.
| Constants/units | Present work | Previous work (a) |
|---|---|---|
| A/MHz | 6918.11131(80) | 6918.113885(151) |
| B/MHz | 2376.27544(56) | 2376.262803(90) |
| C/MHz | 1896.98617(59) | 1896.993520(43) |
| ΔJ/kHz | 3.67233(99) | 3.5175(10) |
| ΔJK/kHz | −27.79568(51) | −26.8928(82) |
| ΔK/kHz | 70.248(11) | 69.482(20) |
| δJ/kHz | 1.264983(27) | −1.26678(57) (b) |
| δK/kHz | 5.98372(48) | −74.55(18) (c) |
| ΦJ/mHz | 20.71(58) | |
| ΦKJ/Hz | −1.0343(28) | |
| ΦK/Hz | 2.948(42) | |
| ϕJ/mHz | 7.9224(40) | |
| ϕK/Hz | 0.7819(13) | |
| σfit/kHz | 23.75 | |
| Nlines | 459 | 57 |
| Jmin/Jmax | 6/70 | 1/18 |
| Ka, min/Ka, max | 0/14 | 0/6 |
Notes. Numbers in parentheses represent the derived uncertainty (1σ) of the parameter in units of the last digit.
Previous constants derived by Jahn et al. (2014).
This value is the d1 quartic centrifugal distortion constant since Jahn et al. (2014) used a Watson’s S-reduced Hamiltonian.
This value is the d2 quartic centrifugal distortion constant since Jahn et al. (2014) used a Watson’s S-reduced Hamiltonian.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.