O2Zr
Bondars, B.Ya.Frey, F.Heidemane, G.Grabis, J.Schneider, J.Laschke, K.Boysen, H.
Journal of Materials Science (1995) 30, 1621-1625
a=3.5916Å b=3.5916Å c=5.179Å
α=90° β=90° γ=90°