Zirconium monophosphide

Zirconium monophosphide is a binary inorganic compound of zirconium metal and phosphorus with the chemical formula ZrP.

Preparation
Zirconium monophosphide can be prepared from direct reaction of zirconium powders with red phosphorus:
 * 4 Zr + P4 -> 4 ZrP

Physical properties
The α-form of zirconium monophosphide has a NaCl crystal structure. The β-form structure is hexagonal. The α-form is a superconductor if cooled below 5K.