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The CHIANTI database consists of the following primary ASCII files for this ion:
contains the energy levels in cm^(-1) It includes both experimental and theoretical values of the levels energies.
%observed energy levels: Kelly, R. L., 1987, J. Phys. Chem. Ref. Data 16, Suppl. 1. %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % K.P.Dere 1995
contains wavelengths, gf and A values of the transitions. The wavelengths are based on the experimental energy levels and should be the best available. Wavelengths calculated from the theoretical energies are of an indeterminate accuracy and their values are presented as negative values of the calculated wavelength.
%observed energy levels: Kelly, R.L., 1987, J.Phys.Chem.Ref.Data 16, Suppl. 1. %oscillator strengths: W.L. Wiese, M.W. Smith, B. M. Glennon, 'Atomic Transition Probabilities', Vol I, Hydrogen Through Neon, NSRDS-NBS 4, 1966. % oscillator strengths: Martin, I., Karwowski, J., Diercksen, G.H.F., Barrientos, C., 1993, A&AS, 100, 595. %oscillator strengths: Wiese, W.L., Smith, M.W., Glennon, B.M., 1966, Atomic Transition Probabilities, NSRDS-NBS-4. %note: Wiese's oscillator strengths are hydrogenic %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % K.P. Dere Sep 1999
contains the spline fits to the electron collision strengths scaled according the rules formulated by Burgess and Tully (1992). Accurate replication of the temperature averaged collision strength over a wide range of temperatures can be accomplished with the data in this file.
%filename: n_5.splups %oscillator strengths: W.L. Wiese, M.W. Smith, B. M. Glennon, 'Atomic Transition Probabilities', Vol I, Hydrogen Through Neon, NSRDS-NBS 4, 1966 %oscillator strengths: Martin, I., Karwowski, J., Diercksen, G.H.F., Barrientos, C., 1993, A&AS, 100, 595 %oscillator strengths: Wiese, W.L., Smith, M.W., Glennon, B.M., 1966, Atomic Transition Probabilities, NSRDS-NBS-4 %collision strengths: Gau, J. N., and Henry, J. W., 1977, Phys. Rev. A, 16, 986 %comment: modified to give correct high energy asymptotic value %comment: collisions strengths to levels 9-15 (4l) obtained by interpolation %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % K.P. Dere - 1995