Br6Na2U
Bogacz, A.Bros, J.P.Hewat, A.W.Gaune-Escard, M.Taylor, J.C.
Journal of Physics C (1980) 13, 5273-5278
a=12.4368Å b=12.4368Å c=6.6653Å
α=90° β=90° γ=120°