0. 0. 3s2 1S 3s2 1S 0. 446170. 3p2 3P 3p2 3P 0. 524840. ? 3p2 1S 3p2 1S 0. 1227300. 3s4s 1S 3s4s 1S 1. 450770. 3p2 3P 3p2 3P 1. 544060. 3s3d 3D 3s3d 3D 1. 1212500. 3s4s 3S 3s4s 3S 1. 1424500. 3s4d 3D 3s4d 3D 1. 1545300. 3p4p 3P 3p4p 3P 1. 1552500. 3p4p 3S 3p4p 3S 1. 1716800. 3s5s 3S 3s5s 3S 1. 1818300. 3s5d 3D 3s5d 3D 1. 1958600. 3s6s 3S 3s6s 3S 1. 2110100. 3s7s 3S 3s7s 3S 2. 445740. ? 3p2 1D 3p2 1D 2. 459270. 3p2 3P 3p2 3P 2. 544390. 3s3d 3D 3s3d 3D 2. 613280. 3s3d 1D 3s3d 1D 2. 1424820. 3s4d 3D 3s4d 3D 2. 1426200. 3s4d 1D 3s4d 1D 2. 1550500. 3p4p 3P 3p4p 3P 2. 1818600. 3s5d 3D 3s5d 3D 2. 1822000. 3s5d 1D 3s5d 1D 2. 2026500. 3s6d 3D 3s6d 3D 3. 545000. 3s3d 3D 3s3d 3D 3. 1425380. 3s4d 3D 3s4d 3D 3. 1544100. 3p4p 3D 3p4p 3D 3. 1700500. 3p4f 3G 3p4f 3G 3. 1722500. 3p4f 3D 3p4f 3D 3. 1818900. 3s5d 3D 3s5d 3D 3. 2026700. 3s6d 3D 3s6d 3D 3. 2151400. 3s7d 3D 3s7d 3D 3. 2230100. 3s8d 3D 3s8d 3D 4. 1704600. 3p4f 3G 3p4f 3G 4. 1713100. 3p4f 3F 3p4f 3F 5. 1712100. 3p4f 3G 3p4f 3G