BaO3Ti
Miyake, S.Ueda, R.
Journal of the Physical Society of Japan (1947) 2, 93-97
a=3.996Å b=3.996Å c=3.996Å
α=90° β=90° γ=90°
CuI
Miyake, S.Takenaka, T.Hoshino, S.
Journal of the Physical Society of Japan (1952) 7, 19-24
a=6.14Å b=6.14Å c=6.14Å