1. Formation of AlCl by radiative association.
- Author
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Andreazza, C. M., de Almeida, A. A., and Vichietti, R. M.
- Subjects
- *
STAR formation , *RADIATIVE transitions , *ALUMINUM compounds , *MOLECULAR electronic states , *CIRCUMSTELLAR matter - Abstract
The rate coefficient for the formation of aluminium monochloride, AlCl, from the radiative association of aluminium and chlorine atoms is estimated as a function of temperature. The coupling of the Al and Cl atoms through the A1Π molecular electronic state, which undergoes radiative transition to the X1Σ+ ground state, is the most efficient transition to form AlCl. The rate constant was found to vary with temperature according to the expressions k(T) = 1.22 × 10-16(T/300)0.40exp (-748/T) cm3 s-1 for temperatures between 300 and 1000 K, and k(T) = 2.20 × 10-16(T/300)0.175exp (-1067/T) cm3 s-1 for temperatures between 1000 and 14 000 K. [ABSTRACT FROM AUTHOR]
- Published
- 2018
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