- Source: Praseodymium antimonide
Praseodymium antimonide is a binary inorganic compound of praseodymium and antimony with the formula PrSb.
Preparation
Praseodymium antimonide can be prepared by heating praseodymium and antimony in a vacuum:
P
r
+
S
b
→
2170
o
C
P
r
S
b
{\displaystyle {\mathsf {Pr+Sb\ {\xrightarrow {2170^{o}C}}\ PrSb}}}
Physical properties
Praseodymium antimonide forms cubic crystals, space group Fm3m, cell parameters a = 0.638 nm, Z = 4, and structure like sodium chloride.
The compound melts congruently at 2170 °C or 2161 °C. At a temperature of 1950 °C, a phase transition occurs in the crystals. At a pressure of 13 GPa, a phase transition also occurs.
See also
Praseodymium arsenide
Praseodymium bismuthide