Crystal Structure of ?NaCs(B12H12)?

Id4349389
Mineral name?NaCs(B12H12)?
a (Å)12.4432(4)
b (Å)7.6628(3)
c (Å)12.5705(4)
α (°)90
β (°)90
γ (°)90
V (Å3)1198.59(7)
Space groupP n 21 a
Temperature (K)690