Atomic levels Be ions I II III IV

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Energy:
ConfigurationType:
Configuration:
Term:
J value:
ConfigurationType Configuration Term J Energy (cm -1) Lifetime
(ns)
Source
1s@{2}ns 1s@{2}2s 2 S 1/2 0
1s@{2}np 1s@{2}2p 2 P ° 1/2 31928.744 8.9
1s@{2}np 1s@{2}2p 2 P ° 3/2 31935.32
1s@{2}ns 1s@{2}3s 2 S 1/2 88231.92 2.5
1s@{2}np 1s@{2}3p 2 P ° 1/2 96495.36 5.6
1s@{2}np 1s@{2}3p 2 P ° 3/2 96497.288
1s@{2}nd 1s@{2}3d 2 D 3/2 98054.57 0.9
1s@{2}nd 1s@{2}3d 2 D 5/2 98055.1
1s@{2}ns 1s@{2}4s 2 S 1/2 115464.44 4.3
1s@{2}np 1s@{2}4p 2 P ° 1/2 118760.51 8.3
1s@{2}np 1s@{2}4p 2 P ° 3/2 118761.32
1s@{2}nd 1s@{2}4d 2 D 3/2 119421.2 2.1
1s@{2}nd 1s@{2}4d 2 D 5/2 119421.44
1s@{2}nf 1s@{2}4f 2 F ° 5/2 119446.59 4.5
1s@{2}nf 1s@{2}4f 2 F ° 7/2 119446.72
1s@{2}ns 1s@{2}5s 2 S 1/2 127335.12 7.3
1s@{2}np 1s@{2}5p 2 P ° 1/2 128971.62 13.5
1s@{2}np 1s@{2}5p 2 P ° 3/2 128972.05
1s@{2}nd 1s@{2}5d 2 D 3/2 129310.13 3.9
1s@{2}nd 1s@{2}5d 2 D 5/2 129310.25
1s@{2}nf 1s@{2}5f 2 F ° 5/2 129323.85 8.8
1s@{2}nf 1s@{2}5f 2 F ° 7/2 129323.92
1s@{2}ng 1s@{2}5g 2 G 7/2 129325.46 14.7
1s@{2}ng 1s@{2}5g 2 G 9/2 129325.46
1s@{2}ns 1s@{2}6s 2 S 1/2 133556.44 12
1s@{2}np 1s@{2}6p 2 P ° 1/2 134485.37 20.5
1s@{2}np 1s@{2}6p 2 P ° 3/2 134485.61
1s@{2}nd 1s@{2}6d 2 D 3/2 134681.15 6.7
1s@{2}nd 1s@{2}6d 2 D 5/2 134681.15
1s@{2}nf 1s@{2}6f 2 F ° 5/2 134689.2 15
1s@{2}nf 1s@{2}6f 2 F ° 7/2 134689.23
1s@{2}ng 1s@{2}6g 2 G 7/2 134690.16 25
1s@{2}ng 1s@{2}6g 2 G 9/2 134690.16
1s@{2}nh 1s@{2}6h 2 H ° 11/2 134690.45
1s@{2}nh 1s@{2}6h 2 H ° 9/2 134690.45
1s@{2}ns 1s@{2}7s 2 S 1/2 137218.78 18.5
1s@{2}np 1s@{2}7p 2 P ° 1/2 137795.97 30.5
1s@{2}np 1s@{2}7p 2 P ° 3/2 137796.12
1s@{2}nd 1s@{2}7d 2 D 3/2 137919.17 10.5
1s@{2}nd 1s@{2}7d 2 D 5/2 137919.17
1s@{2}nf 1s@{2}7f 2 F ° 5/2 137924.31 23.6
1s@{2}nf 1s@{2}7f 2 F ° 7/2 137924.31
1s@{2}ng 1s@{2}7g 2 G 9/2 137925.11 39.7
1s@{2}ng 1s@{2}7g 2 G 7/2 137925.11
1s@{2}nh 1s@{2}7h 2 H ° 9/2 137925.13
1s@{2}nh 1s@{2}7h 2 H ° 11/2 137925.13
1s@{2}ns 1s@{2}8s 2 S 1/2 139555.16 26.5
1s@{2}np 1s@{2}8p 2 P ° 1/2 139938.08 43.5
1s@{2}np 1s@{2}8p 2 P ° 3/2 139938.18
1s@{2}nd 1s@{2}8d 2 D 3/2 140020.58 15.5
1s@{2}nd 1s@{2}8d 2 D 5/2 140020.58
1s@{2}nf 1s@{2}8f 2 F ° 5/2 140024.12 35
1s@{2}nf 1s@{2}8f 2 F ° 7/2 140024.12
1s@{2}ng 1s@{2}8g 2 G 9/2 140024.58 58.7
1s@{2}ng 1s@{2}8g 2 G 7/2 140024.58
1s@{2}nh 1s@{2}8h 2 H ° 9/2 140024.7
1s@{2}nh 1s@{2}8h 2 H ° 11/2 140024.7
1s@{2}ns 1s@{2}9s 2 S 1/2 141136.3 37.5
1s@{2}np 1s@{2}9p 2 P ° 1/2 141403.24 60.1
1s@{2}np 1s@{2}9p 2 P ° 3/2 141403.31
1s@{2}nd 1s@{2}9d 2 D 3/2 141461.15 22
1s@{2}nd 1s@{2}9d 2 D 5/2 141461.15
1s@{2}nf 1s@{2}9f 2 F ° 5/2 141463.65 49.3
1s@{2}nf 1s@{2}9f 2 F ° 7/2 141463.65
1s@{2}ng 1s@{2}9g 2 G 7/2 141463.95 83.4
1s@{2}ng 1s@{2}9g 2 G 9/2 141463.95
1s@{2}nh 1s@{2}9h 2 H ° 9/2 141464.02
1s@{2}nh 1s@{2}9h 2 H ° 11/2 141464.02
1s@{2}ns 1s@{2}10s 2 S 1/2 142255.84 51
1s@{2}np 1s@{2}10p 2 P ° 1/2 142449.3 80.5
1s@{2}np 1s@{2}10p 2 P ° 3/2 142449.35
1s@{2}nf 1s@{2}10f 2 F ° 5/2 142493.33 67
1s@{2}nf 1s@{2}10f 2 F ° 7/2 142493.33
1s@{2}ng 1s@{2}10g 2 G 7/2 142493.55 113
1s@{2}ng 1s@{2}10g 2 G 9/2 142493.55
1s@{2}nh 1s@{2}10h 2 H ° 11/2 142493.6
1s@{2}nh 1s@{2}10h 2 H ° 9/2 142493.6
1s2s@{2} 1s2s@{2} 2 S 1/2 922000
1s2snp 1s2s2p 4 P ° 5/2 934593
1s2snp 1s2s2p 4 P ° 3/2 934593
1s2snp 1s2s2p 4 P ° 1/2 934593
1s(@{2}S)2s2p(@{3}P@{0}) 1s(@{2}S)2s2p(@{3}P@{0}) 2 P ° 1/2 957768
1s(@{2}S)2s2p(@{3}P@{0}) 1s(@{2}S)2s2p(@{3}P@{0}) 2 P ° 3/2 957768
1s(@{2}S)2s2p(@{1}P@{0}) 1s(@{2}S)2s2p(@{1}P@{0}) 2 P ° 1/2 975800
1s(@{2}S)2s2p(@{1}P@{0}) 1s(@{2}S)2s2p(@{1}P@{0}) 2 P ° 3/2 975800
1s2p@{2} 1s2p@{2} 4 P 1/2 977597.9
1s2p@{2} 1s2p@{2} 4 P 3/2 977597.9
1s2p@{2} 1s2p@{2} 4 P 5/2 977597.9
1s2p@{2} 1s2p@{2} 2 D 5/2 987370
1s2p@{2} 1s2p@{2} 2 D 3/2 987370
1s2p@{2} 1s2p@{2} 2 P 1/2 993109
1s2p@{2} 1s2p@{2} 2 P 3/2 993109
1s2p@{2} 1s2p@{2} 2 S 1/2 1014700
1s2sns 1s2s3s 4 S ° 3/2 1032653.6
1s2s(@{3}S)ns 1s2s(@{3}S)3s 2 S 1/2 1039000
1s2snp 1s2s3p 4 P ° 5/2 1043670
1s2snp 1s2s3p 4 P ° 1/2 1043670
1s2snp 1s2s3p 4 P ° 3/2 1043670
1s2s(@{3}S)np 1s2s(@{3}S)3p 2 P ° 1/2 1044600
1s2s(@{3}S)np 1s2s(@{3}S)3p 2 P ° 3/2 1044600
1s2snd 1s2s3d 4 D 1/2 1049908.3
1s2snd 1s2s3d 4 D 3/2 1049908.3
1s2snd 1s2s3d 4 D 5/2 1049908.3
1s2snd 1s2s3d 4 D 7/2 1049908.3
1s2s(@{3}S)nd 1s2s(@{3}S)3d 2 D 3/2 1053600
1s2s(@{3}S)nd 1s2s(@{3}S)3d 2 D 5/2 1053600
1s2s(@{1}S)ns 1s2s(@{1}S)3s 2 S 1/2 1058400
1s2pns 1s2p3s 4 P ° 1/2 1064092.3
1s2pns 1s2p3s 4 P ° 5/2 1064092.3
1s2pns 1s2p3s 4 P ° 3/2 1064092.3
1s2s(@{1}S)np 1s2s(@{1}S)3p 2 P ° 1/2 1064600
1s2s(@{1}S)np 1s2s(@{1}S)3p 2 P ° 3/2 1064600
1s2sns 1s2s4s 4 S ° 3/2 1067182
1s2s(@{3}S)np 1s2s(@{3}S)4p 2 P ° 3/2 1070300
1s2s(@{3}S)np 1s2s(@{3}S)4p 2 P ° 1/2 1070300
1s2pnp 1s2p3p 4 D 7/2 1070336
1s2pnp 1s2p3p 4 D 1/2 1070336
1s2pnp 1s2p3p 4 D 3/2 1070336
1s2pnp 1s2p3p 4 D 5/2 1070336
1s2p(@{3}P@{0})np 1s2p(@{3}P@{0})3p 2 P 3/2 1070900
1s2p(@{3}P@{0})np 1s2p(@{3}P@{0})3p 2 P 1/2 1070900
1s2snp 1s2s4p 4 P ° 5/2 1071660
1s2snp 1s2s4p 4 P ° 3/2 1071660
1s2snp 1s2s4p 4 P ° 1/2 1071660
1s2snf 1s2s4f 4 F ° 3/2 1072999
1s2snf 1s2s4f 4 F ° 5/2 1072999
1s2snf 1s2s4f 4 F ° 9/2 1072999
1s2snf 1s2s4f 4 F ° 7/2 1072999
1s2p(@{3}P@{0})ns 1s2p(@{3}P@{0})3s 2 P ° 1/2 1073400
1s2p(@{3}P@{0})ns 1s2p(@{3}P@{0})3s 2 P ° 3/2 1073400
1s2s(@{1}S)nd 1s2s(@{1}S)3d 2 D 5/2 1073500
1s2s(@{1}S)nd 1s2s(@{1}S)3d 2 D 3/2 1073500
1s2pnp 1s2p3p 4 S 3/2 1074186
1s2snd 1s2s4d 4 D 7/2 1074522
1s2snd 1s2s4d 4 D 5/2 1074522
1s2snd 1s2s4d 4 D 3/2 1074522
1s2snd 1s2s4d 4 D 1/2 1074522
1s2pnp 1s2p3p 4 P 1/2 1074607.6
1s2pnp 1s2p3p 4 P 3/2 1074607.6
1s2pnp 1s2p3p 4 P 5/2 1074607.6
2s2pnp 2s2p3p 4 P 3/2 1074607.6
2s2pnp 2s2p3p 4 P 5/2 1074607.6
2s2pnp 2s2p3p 4 P 1/2 1074607.6
1s2p(@{3}P@{0})np 1s2p(@{3}P@{0})3p 2 D 5/2 1076100
1s2p(@{3}P@{0})np 1s2p(@{3}P@{0})3p 2 D 3/2 1076100
1s2p(@{3}P@{0})nd 1s2p(@{3}P@{0})3d 2 D ° 3/2 1077320
1s2p(@{3}P@{0})nd 1s2p(@{3}P@{0})3d 2 D ° 5/2 1077320
1s2s(@{3}S)nd 1s2s(@{3}S)4d 2 D 3/2 1077700
1s2s(@{3}S)nd 1s2s(@{3}S)4d 2 D 5/2 1077700
1s2pnd 1s2p3d 4 F ° 3/2 1078386
1s2pnd 1s2p3d 4 F ° 5/2 1078386
1s2pnd 1s2p3d 4 F ° 7/2 1078386
1s2pnd 1s2p3d 4 F ° 9/2 1078386
1s2pnd 1s2p3d 4 D ° 7/2 1079485
1s2pnd 1s2p3d 4 D ° 5/2 1079485
1s2pnd 1s2p3d 4 D ° 3/2 1079485
1s2pnd 1s2p3d 4 D ° 1/2 1079485
1s2p(@{3}P@{0})np 1s2p(@{3}P@{0})3p 2 S 1/2 1080800
1s2pnd 1s2p3d 4 P ° 5/2 1081700
1s2pnd 1s2p3d 4 P ° 3/2 1081700
1s2pnd 1s2p3d 4 P ° 1/2 1081700
1s2snd 1s2s5d 4 D 1/2 1085071
1s2snd 1s2s5d 4 D 3/2 1085071
1s2snd 1s2s5d 4 D 5/2 1085071
1s2snd 1s2s5d 4 D 7/2 1085071
1s2snf 1s2s5f 4 F ° 9/2 1086065
1s2snf 1s2s5f 4 F ° 7/2 1086065
1s2snf 1s2s5f 4 F ° 5/2 1086065
1s2snf 1s2s5f 4 F ° 3/2 1086065
1s2p(@{1}P@{0})np 1s2p(@{1}P@{0})3p 2 D 5/2 1087000
1s2p(@{1}P@{0})np 1s2p(@{1}P@{0})3p 2 D 3/2 1087000
1s2p(@{1}P@{0})np 1s2p(@{1}P@{0})3p 2 P 1/2 1088900
1s2p(@{1}P@{0})np 1s2p(@{1}P@{0})3p 2 P 3/2 1088900
1s2p(@{1}P@{0})nd 1s2p(@{1}P@{0})3d 2 D ° 3/2 1092460
1s2p(@{1}P@{0})nd 1s2p(@{1}P@{0})3d 2 D ° 5/2 1092460
1s2p(@{1}P@{0})nd 1s2p(@{1}P@{0})3d 2 F ° 5/2 1092600
1s2p(@{1}P@{0})nd 1s2p(@{1}P@{0})3d 2 F ° 7/2 1092600
1s2pns 1s2p4s 4 P ° 5/2 1096291
1s2pns 1s2p4s 4 P ° 3/2 1096291
1s2pns 1s2p4s 4 P ° 1/2 1096291
1s2pnp 1s2p4p 4 D 7/2 1098622
1s2pnp 1s2p4p 4 D 5/2 1098622
1s2pnp 1s2p4p 4 D 3/2 1098622
1s2pnp 1s2p4p 4 D 1/2 1098622
1s2p(@{3}P@{0})np 1s2p(@{3}P@{0})4p 2 P 1/2 1098900
1s2p(@{3}P@{0})np 1s2p(@{3}P@{0})4p 2 P 3/2 1098900
1s2pnp 1s2p4p 4 S 3/2 1099980
1s2pnp 1s2p4p 4 P 5/2 1100118
1s2pnp 1s2p4p 4 P 1/2 1100118
1s2pnp 1s2p4p 4 P 3/2 1100118
1s2p(@{3}P@{0})nd 1s2p(@{3}P@{0})4d 2 D ° 5/2 1101320
1s2p(@{3}P@{0})nd 1s2p(@{3}P@{0})4d 2 D ° 3/2 1101320
1s2pnd 1s2p4d 4 D ° 1/2 1102105
1s2pnd 1s2p4d 4 D ° 3/2 1102105
1s2pnd 1s2p4d 4 D ° 7/2 1102105
1s2pnd 1s2p4d 4 D ° 5/2 1102105
1s2p(@{3}P@{0})nf 1s2p(@{3}P@{0})4f 2 F 5/2 1102341
1s2p(@{3}P@{0})nf 1s2p(@{3}P@{0})4f 2 F 7/2 1102341
1s2pnf 1s2p4f 4 F 5/2 1102356
1s2pnf 1s2p4f 4 F 3/2 1102356
1s2pnf 1s2p4f 4 F 7/2 1102356
1s2pnf 1s2p4f 4 F 9/2 1102356
1s2pnf 1s2p4f 4 D 7/2 1103136
1s2pnf 1s2p4f 4 D 3/2 1103136
1s2pnf 1s2p4f 4 D 5/2 1103136
1s2pnf 1s2p4f 4 D 1/2 1103136
1s2pnd 1s2p5d 4 D ° 5/2 1112385
1s2pnd 1s2p5d 4 D ° 7/2 1112385
1s2pnd 1s2p5d 4 D ° 1/2 1112385
1s2pnd 1s2p5d 4 D ° 3/2 1112385
1s2p(@{3}P@{0})nf 1s2p(@{3}P@{0})5f 2 F 5/2 1112455
1s2p(@{3}P@{0})nf 1s2p(@{3}P@{0})5f 2 F 7/2 1112455
1s2pnf 1s2p5f 4 F 9/2 1112474
1s2pnf 1s2p5f 4 F 7/2 1112474
1s2pnf 1s2p5f 4 F 3/2 1112474
1s2pnf 1s2p5f 4 F 5/2 1112474
1s2p(@{1}P@{0})np 1s2p(@{1}P@{0})4p 2 P 1/2 1112700
1s2p(@{1}P@{0})np 1s2p(@{1}P@{0})4p 2 P 3/2 1112700
1s2pnd 1s2p6d 4 D ° 7/2 1117612
1s2pnd 1s2p6d 4 D ° 5/2 1117612
1s2pnd 1s2p6d 4 D ° 3/2 1117612
1s2pnd 1s2p6d 4 D ° 1/2 1117612
1s2pnf 1s2p6f 4 F 5/2 1117947
1s2pnf 1s2p6f 4 F 7/2 1117947
1s2pnf 1s2p6f 4 F 9/2 1117947
1s2pnf 1s2p6f 4 F 3/2 1117947
1s2p(@{1}P@{0})np 1s2p(@{1}P@{0})5p 2 P 1/2 1124040
1s2p(@{1}P@{0})np 1s2p(@{1}P@{0})5p 2 P 3/2 1124040
1s(@{2}S)3s3p(@{3}P@{0}) 1s(@{2}S)3s3p(@{3}P@{0}) 2 P ° 3/2 1195600
1s(@{2}S)3s3p(@{3}P@{0}) 1s(@{2}S)3s3p(@{3}P@{0}) 2 P ° 1/2 1195600
1s(@{2}S)3s3p(@{1}P@{0}) 1s(@{2}S)3s3p(@{1}P@{0}) 2 P ° 1/2 1210900
1s(@{2}S)3s3p(@{1}P@{0}) 1s(@{2}S)3s3p(@{1}P@{0}) 2 P ° 3/2 1210900
2s@{2}np 2s@{2}2p 2 P ° 1/2 2167800
2s@{2}np 2s@{2}2p 2 P ° 3/2 2167800
2s2p@{2} 2s2p@{2} 4 P 3/2 2171400
2s2p@{2} 2s2p@{2} 4 P 5/2 2171400
2s2p@{2} 2s2p@{2} 4 P 1/2 2171400
2s2p@{2} 2s2p@{2} 2 D 5/2 2199100
2s2p@{2} 2s2p@{2} 2 D 3/2 2199100
2p@{3} 2p@{3} 4 S ° 3/2 2214500
2s2p@{2} 2s2p@{2} 2 S 1/2 2220700
2s2p@{2} 2s2p@{2} 2 P 3/2 2225200
2s2p@{2} 2s2p@{2} 2 P 1/2 2225200
2p@{3} 2p@{3} 2 D ° 3/2 2225900
2p@{3} 2p@{3} 2 D ° 5/2 2225900
2p@{3} 2p@{3} 2 P ° 3/2 2249500
2p@{3} 2p@{3} 2 P ° 1/2 2249500
2s@{2}np 2s@{2}3p 2 P ° 3/2 2301900
2s@{2}np 2s@{2}3p 2 P ° 1/2 2301900
2s2pnp 2s2p3p 4 P 5/2 2314900
2s2pnp 2s2p3p 4 P 3/2 2314900
2s2pnp 2s2p3p 4 P 1/2 2314900
2s@{2}nd 2s@{2}3d 2 D 5/2 2317100
2s@{2}nd 2s@{2}3d 2 D 3/2 2317100
2s2p(@{3}P@{0})nd 2s2p(@{3}P@{0})3d 2 D ° 5/2 2323700
2s2p(@{3}P@{0})nd 2s2p(@{3}P@{0})3d 2 D ° 3/2 2323700