Ethynyl, X 2Σ+; isotopolog with 13C on C1
Species tag 026502
Date of EntryMay 2000
ContributorH. S. P. Müller

The spectrum was described in
(1) M. C. McCarthy, C. A. Gottlieb, and P. Thaddeus, 1995, J. Mol. Spectrosc. 173, 303.
The experimental lines were kindly provided by Dr. McCarthy. Because some lines have residuals substantially larger than the estimated uncertainties, the reduced standard deviation of the fit is 2.2 (see also (1)). However, the residuals do not exceed 120 kHz, see the fit file.
The predictions are probably reliable up to 1.0 or 1.2 THz.
The dipole moment is assumed to be the same as for the main isotopolog, see e025501.cat.

Lines Listed256
Frequency / GHz< 2348
Max. J28
log STR0-8.5
log STR1-4.5
Isotope Corr.-1.955
Egy / (cm–1)0.0
 µa / D0.770
 µb / D 
 µc / D 
detected in ISM/CSMyes

Database maintained by Holger S. P. Müller and Sven Thorwirth, programming by D. Roth and F. Schloeder