Crystal Structure of ?

Id4345254
Chemical name ?
a (Å)15.2694(11)
b (Å)4.0600(2)
c (Å)11.9108(9)
α (°)90.00000
β (°)90.00000
γ (°)90.00000
V (Å3)738.40(9)
Space groupP n m a
Temperature (K)297(2)