Crystal Structure of ?

Id2300249
Chemical name ?
a (Å)12.87078(12)
b (Å)12.87078
c (Å)6.18270(10)
α (°)90.0
β (°)90.0
γ (°)120.0
V (Å3)886.990(17)
Space groupR -3 :H
Publication: Journal of Applied Crystallography (2009) 42, 5 846-866