SiC6
Hexapentaenediylidenesilylene, Silaheptahexaenediylidene, 1Σ+
Species tag 100501
Version1
Date of EntryNov. 2000
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.
The dipole moment is from a quantum chemical calculation in (1).
Aug. 2025: corrected the name according to the structure in (1).
Lines Listed99
Frequency / GHz< 121.1
Max. J99
log STR0-7.5
log STR1-3.0
Isotope Corr. 
Egy / (cm–1)0.0
 µa / D8.25
 µb / D 
 µc / D 
 A / MHz 
 B / MHz611.251
 C / MHz 
 Q(300.0)10228.7487
 Q(225.0)7671.2898
 Q(150.0)5114.0676
 Q(75.00)2557.0822
 Q(37.50)1278.6782
 Q(18.75)639.4985
 Q(9.375)319.9142
detected in ISM/CSMyes

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