Detailed Information for HC11N

TIP 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.
Topic revision: r2 - 2005-12-17, JeffMangum
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