The compound melts congruently at 2170 °C[1] or 2161 °C.[2] At a temperature of 1950 °C, a phase transition occurs in the crystals. At a pressure of 13 GPa, a phase transition also occurs.[4]
^ abFranke, P.; Neuschütz, D.; Scientific Group Thermodata Europe (SGTE) (2006), Franke, P.; Neuschütz, D. (eds.), "Pr-Sb", Binary Systems. Part 4: Binary Systems from Mn-Mo to Y-Zr, vol. 19B4, Berlin/Heidelberg: Springer-Verlag, pp. 1–4, doi:10.1007/10757285_56, ISBN978-3-540-25024-1, retrieved 2023-06-20