Energies and E1, M1, E2, and M2 transition rates for states of the 2s22p4, 2s2p5, and 2p6 configurations in oxygen-like ions between F II and Kr XXIX

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Table 2

Comparison of fully relativistic theoretical energy levels with values derived from observed wavelengths for Fe XIX.

Level	J	E_obs^a	Diff_RCI^b	Diff_MRMP^c	Diff_PT^d	Diff_MBPT^e	Diff_FAC^f	Diff_MCDF^g

2s²2p⁴ ³P	2	0	0	0	0	0	0	0
	0	75 250	63	−32	150	−508	−52	196
	1	89 441	−7	−190	−1241	−1882	−620	−650
2s²2p⁴ ¹D	2	168 852	133	−60	−1252	−971	1726	1995
2s²2p⁴ ¹S	0	325 140	277	−191	−240	−4016	281	1396
2s2p⁵ ³P^o	2	922 890	154	−35	8010	−5455	6341	10 191
	1	984 740	180	51	8160	−6498	6506	10 266
	0	1 030 020	179	−28	6680	−7267	6038	9672
2s2p⁵ ¹P^o	1	1 267 600	493	171	2200	−8673	15 314	20 173
2p⁶ ¹S	0	2 134 180	778	−1370	12 620	−13 969	26 521	41 465

Notes. Energy levels (E) and the difference of theoretical energies from observed (Diff.) are given in (cm^-1).

Reference.

^(a)

Kramida et al. (2013);

^(b)

present calculations;

^(c)

Vilkas et al. (1999);

^(d)

Safronova & Shlyaptseva (1999);

^(e)

Gaigalas et al. (1994);

^(f)

Landi & Gu (2006);

^(g)

Jonauskas et al. (2004).

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