CoP2
Jeitschko, W.Floerke, U.Scholz, U.D.
Journal of Solid State Chemistry (1984) 52, 320-326
a=5.551Å b=5.549Å c=5.614Å
α=90° β=114.71° γ=90°
P4V
a=5.259Å b=10.997Å c=5.879Å
α=90° β=110.87° γ=90°