The spectrum of five-times ionized aluminum was investigated in the 85–113 Å and 100–1500 Å wavelength regions. New energy levels were found in the 2s.22p.33s, 3p, and 3d configurations. Parametric calculations were made for the 2s.22p.33p configuration. They were also done for the interacting 2s2p.5, 2s.22p.33s, and 2s.22p.33d configurations in both Na IV and Al VI. The results are compared with similar calculations in Mg V.
Marie-Christine Artru and Victor Kaufman, "Additions to the analysis of AI VI," J. Opt. Soc. Am. 70, 1130-1135 (1980)