Oxygen

Energy	Ion		Level 1		        Level 2
(ev)					

846.0	O VIII		1			6
837.0	O VIII		1			5
816.0	O VIII		1			4
773.0	O VIII		1			3
698.0	O VII		1S2 1S			1S4P 1PO
666.0	O VII		1S2 1S			1S3P 1PO
651.0	O VIII		1			2
580.0	O V		1S22S2 1S(0)		1S2S22PX
574.0	O VII		1S2 1S			1S2P 1PO
571.0	O IV		1S22S22P 2P(1/2)O	1S2S22P2X
569.0	O VII		1S2 1S			1S2P 3PO
564.0	O III		1S22S22P2 3P(0)		1S2P22P3X
563.0	O VI		1S22S 2S(1/2)		1S2S2
561.0	O VII		1S2 1S			1S2S 3S
553.0	O II		1S22S22P3 4S(3/2)O	1S2S22S4X
542.0	O V		1S22S2 1S(0)		1S2S22P
193.0	O VIII		2			6
183.0	O VIII		2			5
163.0	O VIII		2			4
121.0	O VIII		2			3
118.0	O VI		1S22S 2S(1/2)		1S25P
107.0	O VI		1S22S 2S(1/2)		1S24P
96.5	O VII		1S2P 3PO		1S3D 3D
95.5	O VI		1S22P 2P(1/2)		1S24D
93.59	O VI		1S22P 2P(1/2)		1S24S
91.30	O V		1S22S2 1S(0)		1S22S4P
91.30	O VII		1S2P 1PO		1S3D 1D
82.59	O VI		1S22S 2S(1/2)		1S23P