B6 Co2 Pr5

B₆Co₂Pr₅ is a rare-earth transition metal compound combining cobalt and praseodymium in a boron-rich hexagonal or complex crystal structure. This material belongs to the rare-earth intermetallic family and is primarily of research interest for its potential magnetic and electronic properties arising from the praseodymium f-electrons coupled with cobalt d-band magnetism. While not yet established in mainstream industrial production, compounds in this family are investigated for permanent magnet applications, magnetic refrigeration, and advanced functional materials where rare-earth elements provide enhanced magnetic or electronic performance at elevated temperatures or in specialized operating conditions.