29SiC6
Hexapentaenediylidenesilylene, Silaheptahexaenediylidene, 1Σ+; 29Si isotopolog
Species tag 101502
Version1*
Date of EntryAug. 2025
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.
Transitions above 70 GHz should be viewed with caution.
The dipole moment is from a quantum chemical calculation in (1).
Lines Listed99
Frequency / GHz< 120
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 / MHz602.298
 C / MHz 
 Q(300.0)10380.8882
 Q(225.0)7785.3717
 Q(150.0)5190.1071
 Q(75.00)2595.0943
 Q(37.50)1297.6824
 Q(18.75)649.0001
 Q(9.375)324.6649
 Q(5.000)173.3100
 Q(2.725)94.6059
detected in ISM/CSMno

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