Crystal Structure of ?

Id1546592
Chemical name ?
a (Å)19.9133(15)
b (Å)19.9133(15)
c (Å)11.1220(9)
α (°)90
β (°)90
γ (°)90
V (Å3)4410.3(6)
Space groupP 42/n :2
Temperature (K)293
Rint0.0424