Crystal Structure of ?

Id4001112
Chemical name ?
a (Å)6.951343(33)
b (Å)6.951343
c (Å)10.76111(6)
α (°)90.0
β (°)90.0
γ (°)90.0
V (Å3)519.989(4)
Space groupP 4/n c c :2