1 1 3s2 1 0 S 0.0 1 0.000 0.000000 0.000 0.000000 2 2 3s.3p 3 1 P 0.0 1 264400.000 2.409397 269613.597 2.456900 3 2 3s.3p 3 1 P 1.0 3 272630.000 2.484395 277141.576 2.525500 4 2 3s.3p 3 1 P 2.0 5 293650.000 2.675943 291451.322 2.655900 5 2 3s.3p 1 1 P 1.0 3 401320.000 3.657107 403833.301 3.680000 6 3 3p2 1 2 D 2.0 5 0.000 0.000000 639066.199 5.823600 7 3 3p2 3 1 P 0.0 1 627870.000 5.721589 638484.591 5.818300 8 3 3p2 3 1 P 1.0 3 643820.000 5.866936 643993.404 5.868500 9 3 3p2 3 1 P 2.0 5 669500.000 6.100950 669342.722 6.099500 10 4 3s.3d 3 2 D 1.0 3 771290.000 7.028532 776435.363 7.075400 11 4 3s.3d 3 2 D 2.0 5 772970.000 7.043841 776852.365 7.079200 12 4 3s.3d 3 2 D 3.0 7 775670.000 7.068446 779870.141 7.106700 13 3 3p2 1 0 S 0.0 1 0.000 0.000000 756353.435 6.892400 14 4 3s.3d 1 2 D 2.0 5 864600.000 7.878838 872411.615 7.950000 15 5 3s.4s 3 0 S 1.0 3 2187600.000 19.934935 2190960.263 19.965500 16 5 3s.4s 1 0 S 0.0 1 0.000 0.000000 2220721.021 20.236700 -1 %file: ni_17.elvl2 %energy levels: Martin, W. C., Sugar, J., Musgrove, A., and Dalton, G. R., 1995, NIST Database for Atomic Spectroscopy, Version 1.0, NIST Standard Reference Database 61. %theoretical energy levels: Pradhan, Ph.Rev.A, 34, 4704, 1986 %produced as part of the Arcetri/Cambridge/NRL atomic data base collaboration % % E. Landi 1995 -1