State

Z

2

3

4

5

6

7

8

9

10

4s4p ¹P^o

−E^p

5.24

12.91

23.98

38.46

56.33

77.61

102.29

130.37

161.85

−E^s

5.35

13.03

24.10

38.58

56.46

77.75

102.43

132.03

162.00

E^α

5.29

12.95

24.01

38.46

56.31

77.56

102.43

130.27

161.72

−E^m

5.35