Table 1 Comparison of experimental and theoretical electronic excitation energies (T₀, in cm⁻¹) in RaF

X²Σ_1/2

0

0

A²Π_1/2

13,284.427(1)_stat(20)_syst^a

13,299(36)

99.89

B²Δ_3/2

14,333.00(161)_stat(51)_syst

14,300(61)

99.77

(B²Δ_5/2)

15,140.36(48)_stat(51)_syst

15,099(70)

99.73

A²Π_3/2

15,335.73(49)_stat(62)_syst

15,355(35)

99.87

C²Σ_1/2

16,612.06(18)_stat(51)_syst

16,615(69)

99.98

D²Π_1/2

22,289.47(29)_stat(51)_syst

22,320(169)

99.86

D²Π_3/2

22,651.09(31)_stat(51)_syst

22,673(170)

99.90

E²Σ_1/2

25,451.12(11)_stat(26)_syst

25,520(84)

99.73

F²Σ_1/2

27,919.57(180)_stat(51)_syst

28,019(257)

99.64

G²Π_1/2

28,774.07(51)_stat(35)_syst

28,824(111)

99.83

G²Π_3/2

29,225.64(25)_stat(51)_syst

29,284(90)

99.80

(H²Σ_1/2)

29,665.54(67)_stat(51)_syst

29,663(156)

99.99

(I²Δ_3/2)

29,693.15(24)_stat(51)_syst

29,715(102)

99.92

(I²Δ_5/2)

29,801.59(7)_stat(35)_syst

29,852(106)

99.83