29SiC4
Tetratrienediylidenesilylene, Silapentatetraenediylidene, 29Si isotopic species, 1Σ+
Species tag 077501
Version1*
Date of EntryAug. 2005
ContributorH. S. P. Müller

The lines have been reported by
(1) V. D. Gordon, E. S. Nathan, A. J. Apponi, M. C. McCarthy, P. Thaddeus, and P. Botschwina, 2000, J. Chem. Phys. 113, 5311.
Calculated frequencies above ca. 100 GHz should be viewed with some caution.
The dipole moment was assumed to be the same as for the main isotopic species, see e076502.cat.
Aug. 2025: corrected the name according to the structure in (1).
Lines Listed99
Frequency / GHz< 299
Max. J99
log STR0-7.0
log STR1-3.0
Isotope Corr. 
Egy / (cm–1)0.0
 µa / D6.421
 µb / D 
 µc / D 
 A / MHz 
 B / MHz1510.230
 C / MHz 
 Q(300.0)4140.5737
 Q(225.0)3105.2972
 Q(150.0)2070.1650
 Q(75.00)1035.1772
 Q(37.50)517.7373
 Q(18.75)259.0310
 Q(9.375)129.6814
detected in ISM/CSMyes

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