title: Synthesis and spectroscopy of cyanotriacetylene (HC7N) in solid argon.
abstract: UV laser irradiations of cryogenic solid argon matrices doped with a mixture of acetylene and cyanodiacetylene (HC5N) resulted in the formation of a longer carbon-nitrogen chain, cyanotriacetylene (HC7N). The identification of this species was accomplished based on IR vibrational spectroscopy (including the study of isotopically labeled compounds), on electronic luminescence spectroscopy, and on theoretical predictions. Additionally, IR absorption bands recognized as due to HC7N were detected in photolysed Ar matrices doped with a cyanoacetylene/diacetylene mixture; this assignment was confirmed with the mass spectrometry of gases released upon the warm-up of the sample.
authors: CNRS, Aix-Marseille University, PIIM UMR 7345, F-13397 Marseille, France.
authors: I
authors: I
authors: Couturier-Tamburelli
authors: CNRS, Aix-Marseille University, PIIM UMR 7345, F-13397 Marseille, France.
authors: N
authors: N
authors: Piétri
authors: Institut des Sciences Moléculaires d'Orsay, UMR 8214, CNRS, Université Paris-Sud, Orsay F-91405, France.
authors: C
authors: C
authors: Crépin
authors: Institute of Physical Chemistry of the Polish Academy of Sciences, Astrochemistry Group, Kasprzaka 44, 01-224 Warsaw, Poland.
authors: M
authors: M
authors: Turowski
authors: École Nationale Supérieure de Chimie de Rennes, CNRS, UMR 6226, 11 Avenue de Beaulieu, CS 50837, 35708 Rennes Cedex 7, France.
authors: J-C
authors: JC
authors: Guillemin
authors: Institute of Physical Chemistry of the Polish Academy of Sciences, Astrochemistry Group, Kasprzaka 44, 01-224 Warsaw, Poland.
authors: R
authors: R
authors: Kołos