CO2
Park, J. H.Yoo, C. S.Iota, V.Cynn, H.Nicol, M. F.Le Bihan, T.
Physical Review B (2003) 68, 014107-014107
a=4.335Å b=4.335Å c=6.102Å
α=90° β=90° γ=90°
a=4.3441Å b=6.111Å c=4.285Å