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H2C6
(2005-12-17,
JeffMangum
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Detailed Information for H
2
C
6
(Hexapentaenylidene)
Last Update:
JeffMangum
- 17 Dec 2005
Laboratory Measurements:
McCarthy, M. C.; Travers, M. J.; Kovacs, A.; Chen, W.; Novick, S. E.; Gottlieb, C. A.; Thaddeus, P.,
Detection and Characterization of the Cumulene Carbenes H2C5 and H2C6
, 1997, Science, 275, 518
.
Molecular Constants:
Approximate Structure:
H2C
=C=C=C=C=C
Singlet Electronic Ground State
A = 268400 MHz
B = 1348.0891(1) MHz
C = 1341.3529(1) MHz
DJ x 103 = 0.0283 (12) MHz
DJK = 0.0164(1) MHz
Dipole Moment 6.2 Debye (est.)
Astronomical Detection:
Langer, W. D.; Velusamy, T.; Kuiper, T. B. H.; Peng, R.; McCarthy, M. C.; Travers, M. J.; Kovacs, A.; Gottlieb, C. A.; Thaddeus, P.,
First Astronomical Detection of the Cumulene Carbon Chain Molecule H2C6 in TMC-1
, 1997, ApJ, 480, L63
.
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Topic revision: r1 - 2005-12-17,
JeffMangum
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