Praseoymium monophosphide can be prepared by heating praseodymium and phosphorus in the presence of iodine vapor:[5]
Physical properties
Praseodymium monophosphide forms crystals of a cubic system, space group Fm3m, with cell parameters a = 0.5872 nm, Z = 4, and structure like sodium chloride NaCl.[6][7] It melts congruently at 3120 °C.
References
^Rowley, Adrian T.; Parkin, Ivan P. (1993). "Convenient synthesis of lanthanide and mixed lanthanide phosphides by solid-state routes involving sodium phosphide". Journal of Materials Chemistry. 3 (7). Royal Society of Chemistry (RSC): 689. doi:10.1039/jm9930300689. ISSN0959-9428.