.5 0. 1s2(1S)2s 2S 2s 2S .5 @ 273500. 1s2(1S)2p 2P 2p 2P 1.5 @ 306020. 1s2(1S)2p 2P 2p 2P .5 @ 4778700. 1s2(1S)3p 2P 3p 2P 1.5 @ 4793600. 1s2(1S)3p 2P 3p 2P 1.5 4814800. 1s2(1S)3d 2D 3d 2D 2.5 4818000. 1s2(1S)3d 2D 3d 2D .5 @ 6347200. 1s2(1S)4p 2P 4p 2P 1.5 @ 6347200. 1s2(1S)4p 2P 4p 2P 1.5 6361000. 1s2(1S)4d 2D 4d 2D 2.5 6367700. 1s2(1S)4d 2D 4d 2D 2.5 @ 6361400. 1s2(1S)4f 2F 4f 2F 3.5 @ 6362200. 1s2(1S)4f 2F 4f 2F 1.5 7069300. 1s2(1S)5d 2D 5d 2D 2.5 7073800. 1s2(1S)5d 2D 5d 2D @27871000. 1s(2S)2s2p(3P) 4P 1s2sp3P 4P .5 @28079000. 1s(2S)2s2p(3P) 2P 1s2sp3P 2P 1.5 @28079000. 1s(2S)2s2p(3P) 2P 1s2sp3P 2P 28160000. 1s(2S)2p2(3P) 4P 1s2p23P 4P .5 @28182000. 1s(2S)2s2p(1P) 2P 1s2sp1P 2P 1.5 @28182000. 1s(2S)2s2p(1P) 2P 1s2sp1P 2P 1.5 28318000. 1s(2S)2p2(1D) 2D 1s2p21D 2D 2.5 28321000. 1s(2S)2p2(1D) 2D 1s2p21D 2D .5 28384000. 1s(2S)2p2(3P) 2P 1s2p23P 2P 1.5 28384000. 1s(2S)2p2(3P) 2P 1s2p23P 2P .5 28511000. 1s(2S)2p2(1S) 2S 1s2p21S 2S @32863000. 1s2s(1S)3p 2P 1s2s3p 2P 1.5 32910000. 1s2s3d 2D 1s2s3d 2D