Table 5 Potential energies, bound-state energy eigenvalues and experimental Rydberg–Klein–Rees (RKR) data for the KRb (X 1Σ+) molecule.

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

n

r (Å)79

U (cm−1)

Energy (cm−1)

rmin

rmax

Umin

Umax

RKR79

En

0

4.2436

4.5271

29.6870

29.8140

31.3150

30.5658

1

4.1469

4.6413

89.0765

90.4331

93.4456

91.4773

2

4.0826

4.7250

147.9232

152.5066

154.6748

152.0427

3

4.0320

4.7969

205.7800

216.1491

215.0026

212.2606

4

3.9897

4.8624

262.2811

281.4223

274.4290

272.1295

5

3.9531

4.9241

317.3394

348.5162

332.9540

331.6479

6

3.9209

4.9834

370.6354

417.5102

390.5776

390.8143

7

3.8925

5.0410

421.4957

488.2304

447.2998

449.6271

8

3.8667

5.0978

470.8877

561.0723

503.1206

508.0847

9

3.8437

5.1539

517.5171

635.6151

558.0400

566.1857

10

3.8230

5.2099

561.6050

712.2045

612.0580

623.9283

11

3.8044

5.2660

602.9538

790.7417

665.1746

681.3110

12

3.7878

5.3224

641.2558

871.1730

717.3898

738.3320