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The submillimeter wave spectrum of the C4H4 isomer vinylacetylene

✍ Scribed by Sven Thorwirth; Holger S.P. Müller; Holger Lichau; Gisbert Winnewisser; Georg Ch. Mellau

Book ID
104059886
Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
96 KB
Volume
695-696
Category
Article
ISSN
0022-2860

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✦ Synopsis

The submillimeter wave spectrum of the astrochemically relevant hydrocarbon molecule vinylacetylene (butenyne) has been investigated in selected frequency regions between 181 and 789 GHz covering the quantum numbers 19 # J # 87 and 0 # K a # 23. A set of significantly improved spectroscopic parameters has been obtained which compares favourably with the related cyano compound vinyl cyanide for which a new comprehensive set of molecular parameters is also presented.

The present investigation will aid radioastronomers in search for vinylacetylene in space.

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