S4V2.72
Kawada, I.Nakano-Onoda, M.Ishii, M.Saeki, M.Nakahira, M.
Journal of Solid State Chemistry (1975) 15, 246-252
a=12.569Å b=3.267Å c=5.831Å
α=90° β=115.85° γ=90°
O13V6
Kawada, I.Ishii, M.Nakano-Onoda, M.Saeki, M.Kimizuka, N.Kato, K.
Acta Crystallographica B (24,1968-38,1982) (1978) 34, 1037-1039
a=14.1Å b=3.713Å c=11.96Å
α=90° β=135.5° γ=90°