Na Sn2 F5

F₅NaSn₂

McDonald, R.R.Larson, A.C.Cromer, D.T.

Acta Crystallographica (1,1948-23,1967) (1964) 17, 1104-1108

a=9.02Å   b=9.02Å   c=13.685Å

α=90°   β=90°   γ=90°