Crystal Structure of ?c3-Na2B12H12?

Id4349388
Mineral name?c3-Na2B12H12?
a (Å)10.528747
b (Å)10.528747
c (Å)10.528747
α (°)90
β (°)90
γ (°)90
V (Å3)1167.159
Space groupF m -3
Temperature (K)790