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Octatetraynyl radical

Octatetraynyl radical
Skeletal formula of the octatetraynyl radical with the explicit hydrogen added
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ChemSpider 10809239 7pxY
Jmol-3D images Image
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C8H
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Octatetraynyl radical (C8H) is an organic free radical with eight carbon atoms linked in a chain with alternating single bonds and triple bonds.

In 2007 negatively charged octatetraynyl was detected in Galactic molecular source TMC-1, making it the second type of anion to be found in the interstellar medium (after Hexatriynyl radical) and the largest such molecule detected to date.[1][2]

References

  1. ^ Remijan, Anthony J.; J. M. Hollis; F. J. Lovas; M. A. Cordiner; T. J. Millar; A. J. Markwick-Kemper; P. R. Jewell (July 20, 2007). "Detection of C8H and Comparison with C8H toward IRC +10 216" (ABSTRACT). The Astrophysical Journal 664 (1): L47–L50. Bibcode:2007ApJ...664L..47R. doi:10.1086/520704. Retrieved 2007-07-24. 
  2. ^ Brünken, S.; H. Gupta; C. A. Gottlieb; M. C. McCarthy; P. Thaddeus (July 20, 2007). "Detection of the Carbon Chain Negative Ion C8H in TMC-1" (ABSTRACT). The Astrophysical Journal 664 (1): L43–L46. Bibcode:2007ApJ...664L..43B. doi:10.1086/520703. Retrieved 2007-07-24.