Crystal Structure of ?

Id4310642
Chemical name ?
a (Å)2.9298
b (Å)2.9298
c (Å)21.9127
α (°)90
β (°)90
γ (°)120
V (Å3)162.893
Space groupR -3 m :H
Rint0.0417
Publication: Inorganic Chemistry (2004) 43, 1214-1216