O2
Schiferl, D.Cromer, D.T.Schwalbe, L.A.Mills, R.L.
Acta Crystallographica B (39,1983-) (1983) 39, 153-157
a=4.2151Å b=2.9567Å c=6.6897Å
α=90° β=90° γ=90°
N2
Cromer, D. T.Mills, R. L.Schiferl, D.Schwalbe, L. A.
Acta Crystallographica, Section B (1981) 37, 8-11
a=6.164Å b=6.164Å c=6.164Å