Crystal Structure of ?

Id4315653
Chemical name ?
a (Å)5.61216(13)
b (Å)5.61216(13)
c (Å)4.08873(14)
α (°)90.00000
β (°)90.00000
γ (°)90.00000
V (Å3)128.780(6)
Space groupP 4/n m m :2
Temperature (K)295