| 化合物温度(K) | La2O3 | ZrO2 | La2Zr2O7 |
| 1173 | −1459.68 | −876.52 | −3212.72 |
| 1273 | −1432.57 | −858.72 | −3150.01 |
| 1373 | −1405.58 | −841.03 | −3087.64 |
| 1473 | −1378.70 | −823.44 | −3025.58 |
| 1673 | −1325.19 | −788.54 | −2902.27 |