Nd2O3
Aldebert, P.Traverse, J.P.
Materials Research Bulletin (1979) 14, 303-323
a=4.41Å b=4.41Å c=4.41Å
α=90° β=90° γ=90°
NdO3
a=3.8316Å b=3.8316Å c=6.0028Å
α=90° β=90° γ=120°
LaO3
a=4.057Å b=4.057Å c=6.43Å