B4Li2O7
Muradyan, L.A.Malakhova, L.F.Burak, Ya.V.Simonov, V.I.Radaev, S.F.
Kristallografiya (1989) 34, 1400-1407
a=9.479Å b=9.479Å c=10.29Å
α=90° β=90° γ=90°