HC3N, (0,0,0,0)
Cyanoacetylene, Propynenitrile, v = 0
Species tag 051501
Version1
Date of EntryOct. 2000
ContributorS. Thorwirth
H. S. P. Müller

The experimental frequencies have been reported by
(1) R. L. de Zafra, 1971, Astrophys. J. 170, 165; by
(2) R. A. Creswell, G. Winnewisser, and M. C. L. Gerry, 1977, J. Mol. Spectrosc. 65, 420; by
(3) P. D. Mallinson and R. L. de Zafra, 1978, Mol. Phys. 36, 827; by
(4) W. Chen, R. Bocquet, G. Wlodarczak, and D. Boucher, 1991, Int. J. Infrared Millimeter Waves 12, 987 by;
(5) K. M. T. Yamada, A. Moravec, and G. Winnewisser, 1995, Z. Naturforsch. 50a, 1179; and by
(6) S. Thorwirth, H. S. P. Müller, and G. Winnewisser, 2000, J. Mol. Spectrosc. 204, 133.
The dipole moment was determined by (7) R. L. DeLeon and J. S. Muenter, 1985, J. Chem. Phys. 82, 1702.
Predictions considering hyperfine splitting (J< 22) and related partition functions and selected vibrational contributions to the partition function are also available.
Lines Listed207
Frequency / GHz<1864
Max. J207
log STR0-12.0
log STR1-14.0
Isotope Corr.0.0
Egy / cm-10.0
 µa / D3.73172
 µb / D 
 µc / D 
 A / MHz 
 B / MHz4549.059
 C / MHz 
 Q(300.0)1374.9098
 Q(225.0)1031.1809
 Q(150.0)687.5086
 Q(75.00)343.8929
 Q(37.50)172.1063
 Q(18.75)86.2186
 Q(9.375)43.2767
 Q(5.000)23.2385
 Q(2.725)12.8204
detected in ISM/CSMyes

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