Table 3 Potential energies, bound-state energy eigenvalues and experimental Rydberg–Klein–Rees (RKR) data for the NaBr (X 1Σ+) molecule.

From: Bound-state energy spectrum and thermochemical functions of the deformed Schiöberg oscillator

n

r (Å)78

U (cm-−1)

Energy (cm−1)

rmin

rmax

Umin

Umax

MRCI78

En

0

2.548

2.619

1.82

132.43

146.31

146.39

1

2.406

2.686

472.01

414.84

436.99

437.42

2

2.373

2.735

766.72

699.12

725.28

726.31

3

2.346

2.776

1073.09

978.32

1011.18

1013.06

4

2.325

2.814

1355.95

1265.55

1294.71

1297.68

5

2.306

2.848

1648.18

1542.47

1575.85

1580.19

6

2.289

2.881

1940.89

1826.77

1854.66

1860.59

7

2.274

2.912

2225.15

2105.94

2131.14

2138.91

8

2.260

2.942

2513.65

2385.76

2405.33

2415.14

9

2.247

2.971

2802.60

2664.10

2677.29

2689.31

10

2.235

2.999

3088.16

2939.15

2947.14

2961.42

11

2.224

3.026

3366.49

3209.44

3215.02

3231.49