Crystal Structure of ?

Id4316844
Chemical name ?
a (Å)19.9400(9)
b (Å)19.94
c (Å)9.5728(6)
α (°)90.0
β (°)90.0
γ (°)120.0
V (Å3)3296.2(3)
Space groupR -3 :H
Temperature (K)298
Publication: Inorganic Chemistry (2010) 49, 9664-9670