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- W4242586475 abstract "view Abstract Citations (22) References (48) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Interstellar Cyanomethane Turner, B. E. ; Friberg, P. ; Irvine, W. M. ; Saito, S. ; Yamamoto, S. Abstract An observational study was made of the newly identified cyanomethane radical CH2CN and the possibly related species CH3CN with the goals of elucidating the possible role of reactions of the type CnHm(+) + N in astrochemistry, and providing a possible test of Bates's models of dissociative electron recombination. A remarkably different abundance ratio CH2CN/CH3CN was found in TMC-1 and Sgr B2 which is deduced to be a result of the large difference in temperature of these objects. Studies of CH2CN and CH3CN in other sources, including two new detections of CH2CN, support this conclusion and are consistent with a monotonic increase in the CH2CN/CH3CN ratio with decreasing temperature over the range 10-120 K. This behavior may be explained by the destruction of CH2CN by reaction with O. Publication: The Astrophysical Journal Pub Date: June 1990 DOI: 10.1086/168787 Bibcode: 1990ApJ...355..546T Keywords: Cyano Compounds; H Ii Regions; Interstellar Gas; Methane; Molecular Clouds; Abundance; Astronomical Spectroscopy; Electron Recombination; Free Radicals; Sagittarius Constellation; Temperature Dependence; Astrophysics; INTERSTELLAR: ABUNDANCES; INTERSTELLAR: MOLECULES; LINE IDENTIFICATIONS; MOLECULAR PROCESSES full text sources ADS |" @default.
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- W4242586475 date "1990-06-01" @default.
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- W4242586475 title "Interstellar cyanomethane" @default.
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