Crystal Structure of ?

Id4345054
Chemical name ?
a (Å)15.622(2)
b (Å)4.1113(7)
c (Å)4.4732(7)
α (°)90.00000
β (°)90.00000
γ (°)90.00000
V (Å3)287.30(8)
Space groupP n m a
Temperature (K)297(2)