Si O2

O₂Si

Fyfe, C.A.Strobl, H.Gies, H.Kokotailo, G.T.Pasztor, C.Cox, D.E.

Journal of the American Chemical Society (1989) 111, 2470-2474

a=20.067Å   b=20.067Å   c=13.411Å

α=90°   β=90°   γ=90°