Crystal Structure of ?

Id7019086
Chemical name ?
a (Å)9.6450(6)
b (Å)19.0589(11)
c (Å)21.2920(12)
α (°)90.00
β (°)90.00
γ (°)90.00
V (Å3)3914.0(4)
Space groupP b c a
Temperature (K)150(2)
Rint0.0280