Crystal Structure of ?

Id3000101
Chemical name ?
a (Å)12.5685(14)
b (Å)12.5685(14)
c (Å)12.7714(18)
α (°)90
β (°)90
γ (°)120
V (Å3)1747.2(4)
Space groupR 3 c :H
Temperature (K)298
Rint0.0242