Detailed Information for HC
11
N
Last Update:
JeffMangum
- 15 Dec 2005
Laboratory Measurements:
Travers, M. J., McCarthy, M. C., Kalmus, P., Gottlieb, C. A., and Thaddeus, P.,
Laboratory Detection of the Linear Cyanopolyyne HC11N
, 1996, ApJ, 469, L65
Molecular Constants:
B = 169.06295(3) MHz
D x 10^6 = 0.242 (14) MHz
Dipole Moment 5.47 Debye (est.)
Astronomical Detection:
Bell, M. B., Feldman, P. A., Travers, M. J., McCarthy, M. C., Gottlieb, C. A., and Thaddeus, P.,
Detection of HC11N in the Cold Dust Cloud TMC-1
, 1997, ApJ, 483, L61
. Two lines, J=39-38 and J=38-37, observed toward the dark cloud TMC1 indicate the molecule is 6.8 times less abundant than
HC9N
. Typically, in the transitions near 13 GHz, an integrated line intensity of 3.3 mK km/s was observed in each of the lines with the NRAO 43m telescope.
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Topic revision:
2005-12-17,
JeffMangum
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