The experimental frequencies have been reported by
(1) W. J. Lafferty, 1986, J. Mol. Spectrosc. 25, 359,
(2) K. M. T. Yamada and R. A. Creswell, 1986, J. Mol. Spectrosc. 116, 384,
(3) L. Mbosei, A. Fayt, P. Dréan, and J. Cosléou, 2000, J. Mol. Struct. 517-518, 271, and
(4) S. Thorwirth, H. S. P. Müller, and G. Winnewisser, 2000, J. Mol. Spectrosc. 204, 133.
Some lines with larger experimental uncertainties >100 kHz have been omitted in the c051502.cat-file. Nevertheless, they have been considered in the analysis.
Vibrational contributions to the partition function of HC₃N are also available.
The dipole moments have been extrapolated.