10.3-6.0 KeV Energy Ion Level 1 Level 2 (ev) 10300.0 NIXXVIII 1 6 10200.0 NIXXVIII 1 5 10000.0 NIXXVIII 1 4 9690.0 NI XXVII 1S2 1S 1S4P 1PO 9460.0 NIXXVIII 1 3 9120.0 NI XXVII 1S2 1S 1S3P 1PO 8920.0 FE XXVI 1 6 8860.0 FE XXVI 1 5 8610.0 FE XXVI 1 4 8210.0 FE XXV 1S2 1S 1S4P 1PO 8160.0 FE XXVI 1 3 7950.0 NIXXVIII 1 2 7800.0 FE XXV 1S2 1S 1S3P 1PO 7800.0 NI XXVII 1S2 1S 1S2P 1PO 7800.0 NI XXVII 1S2 1S 1S2P 3PO 7750.0 NI XXVII 1S2 1S 1S2S 3S 7650.0 NI XXV 1S22S2 1S(0) 1S2S22P 7650.0 NI XXVI 1S22S 2S(1/2) 1S2S2 6970.0 FE XXIII 1S22S2 1S(0) 1S2S22PX 6930.0 FE XXII 1S22S22P 2P(1/2)O 1S2S22P2X 6890.0 FE XXI 1S22S22P2 3P(0) 1S2P22P3X 6890.0 FE XXVI 1 2 6850.0 FE XX 1S22S22P3 4S(3/2)O 1S2S22S4X 6810.0 FE XIX 1S22S22P4 3P(0) 1S2S22P5X 6780.0 FE XVIII 1S22S22P5 2P(1/2)O 1S2S22P6X 6740.0 FE III 1S22S22P63S23P63D6 1S2S22P63S23P63D64PX 6740.0 FE IV 1S22S22P63S23P63D5 1S2S22P63S23P63D6X 6740.0 FE IX 1S22S22P63S23P6 1S22S22P53S23P63DX 6740.0 FE V 1S22S22P63S23P63D4 1S2S22P63S23P63D5X 6740.0 FE VI 1S22S22P63S23P63D3 1S2S22P63S23P63D4X 6740.0 FE VII 1S22S22P63S23P63D2 1S22S22P63S23P53D3X 6740.0 FE VIII 1S22S22P63S23P63D 1S2S22P63S23P63D2X 6740.0 FE X 1S22S22P63S23P5 1S2S22P63S23P6X 6740.0 FE XI 1S22S22P63S23P4 1S2S22P63S23P5X 6740.0 FE XII 1S22S22P63S23P3 4S(3/2)O 1S2S22P63S23P4X 6740.0 FE XIII 1S22S22P63S23P2 3P(0) 1S2S22P63S23P3X 6740.0 FE XV 1S22S22P63S2 1S(0) 1S22S2P63S23PX 6740.0 FE XVI 1S22S22P63S 3S(1/2) 1S2S22P63S2X 6740.0 FE XVII 1S22S22P6 1S22S22P53SX 6700.0 FE XXV 1S2 1S 1S2P 1PO 6670.0 FE XXIV 1S22S 2S(1/2) 1S2S2 6670.0 FE XXV 1S2 1S 1S2P 3PO 6630.0 FE XXIII 1S22S2 1S(0) 1S2S22P 6630.0 FE XXV 1S2 1S 1S2S 3S 6590.0 FE XXII 1S22S22P 2P(1/2)O 1S2S22P2 6560.0 FE XXI 1S22S22P2 3P(0) 1S22S22PNL 6490.0 FE XX 1S22S22P3 4S(3/2)O 1S22S22P2NL 6420.0 FE XVIII 1S22S2P6 1S22S2P5NL