La
Eliseev, A.A.Yarembash, E.I.Vigileva, E.S.Antonova, L.I.Zachatakaya, A.V.
Zhurnal Neorganicheskoi Khimii (1964) 9, 565-567
a=5.291Å b=5.291Å c=5.291Å
α=90° β=90° γ=90°