(kJ/mol)
T (K)
LaH2
CeH2
PrH2
NdH2
SmH2
213.15
−106.454
−95.864
24.316
22.179
59.015
223.15
−104.836
−94.265
24.878
23.726
60.566
233.15
−103.190
−92.638
25.467
25.300
62.148
243.15
−101.521
−90.998
26.073
26.895
63.750
253.15
−99.838
−89.338
26.697
28.511
65.372
263.15
−98.125
−87.653
27.349
30.155
67.026
273.15
−96.401
−85.954
28.012
31.814
68.691
283.15
−94.657
−84.239
28.695
33.490
70.374
303.15
−91.112
−80.752
31.116
36.900
73.809
313.15
−89.319
−78.987
31.849
38.630
75.549
323.15
−87.503
−77.204
32.600
40.383
77.309
333.15
−85.680
−75.404
33.362
42.144
79.086
343.15
−83.836
−73.598
34.143
43.924
80.876
353.15
−81.977
−71.768
34.939
45.722
82.687
363.15
−80.108
−69.929
35.740
47.529
84.510
373.15
−78.228
−68.081
36.559
49.352
86.343