This document does not have an outline. ... JavaScript is disabled on your browser. Please enable JavaScript to use all the features on this page. ... Author links open the overlay panel. Numbers correspond to the affiliation list which can be exposed by using the show more link. ... The a 3 Π r -X 1 Σ + transition of Al I has been analyzed for the first time. Accurate rotational and vibrational constants are given for the a 3 Π r electronic state. ... JOURNAL OF MOLECULAR ...