O2Ti
Weirich, T.E.Winterer, M.Seifried, S.Fuess, H.Hahn, H.
Ultramicroscopy (2000) 81, 263-270
a=3.771Å b=3.771Å c=9.43Å
α=90° β=90° γ=90°
O2Zr
Winterer, M.Delaplane, R.McGreevy, R.
Journal of Applied Crystallography (2002) 35, 434-442
a=5.1487Å b=5.2023Å c=5.3231Å
α=90° β=99.164° γ=90°
Weirich, T. E.Winterer, M.Seifried, S.Mayer, J.
Acta Crystallographica Section A (2002) 58, 4 308-315
a=3.872Å b=3.872Å c=9.616Å