T (K)

LaH₂

CeH₂

PrH₂

NdH₂

SmH₂

213.15

−60.068

−54.093

13.721

12.515

33.300

223.15

−56.504

−50.807

13.409

12.787

32.644

233.15

−53.231

−47.788

13.137

13.051

32.060

243.15

−50.217

−45.012

12.897

13.303

31.534

253.15

−47.433

−42.445

12.684

13.546

31.058

263.15

−44.848

−40.062

12.500

13.782

30.634

273.15

−42.447

−37.847

12.334

14.008

30.246

283.15

−40.207

−35.782

12.188

14.225

29.892

303.15

−36.148

−32.038

12.345

14.640

29.283

313.15

−34.305

−30.337

12.232

14.837

29.016

323.15

−32.567

−28.734

12.133

15.030

28.773

333.15

−30.932

−27.222

12.044

15.215

28.551

343.15

−29.384

−25.796

11.967

15.395

28.347

353.15

−27.919

−24.442

11.899

15.572

28.161

363.15

−26.531

−23.160

11.837

15.741

27.989

373.15

−25.214

−21.944

11.784

15.907

27.830