Crystal Structure of ?

Id1513807
Chemical name ?
a (Å)12.3948(6)
b (Å)12.3948(6)
c (Å)12.8871(6)
α (°)90
β (°)90
γ (°)120
V (Å3)1714.61(14)
Space groupR -3 :H
Temperature (K)293