Crystal Structure of ?

Id2104858
Chemical name ?
a (Å)8.5364(2)
b (Å)15.0148(3)
c (Å)21.3846(3)
α (°)90.0
β (°)90.0
γ (°)90.0
V (Å3)2740.91(9)
Space groupP b c a
Temperature (K)293