Crystal Structure of ?

Id4330455
Chemical name ?
a (Å)4.048762(19)
b (Å)4.048762(19)
c (Å)18.3571(2)
α (°)90.00000
β (°)90.00000
γ (°)90.00000
V (Å3)300.918(4)
Space groupI 4/m m m
Temperature (K)298(2)