Abstract
A discussion is presented of the chemistry of quiescent molecular clouds, and the effects of the presence of polycyclic aromatic hydrocarbon molecules and of cosmic-ray induced ultraviolet photons are examined. A comparison is made with the chemistry occurring in molecular clouds that are subjected to shocks and the differences between dissociative and non-dissociative shocks are described. The changes in composition caused by intense cosmic ray fluxes or intense ultraviolet radiation fields are explored.
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Dalgarno, A. (1989). Chemistry of molecular clouds. In: Tenorio-Tagle, G., Moles, M., Melnick, J. (eds) Structure and Dynamics of the Interstellar medium. Lecture Notes in Physics, vol 350. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0114834
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DOI: https://doi.org/10.1007/BFb0114834
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