Crystal Structure of ?

Id7203811
Chemical name ?
a (Å)9.71816
b (Å)9.71816
c (Å)7.28267
α (°)90.00000
β (°)90.00000
γ (°)120.00000
V (Å3)595.648
Space groupP 63/m
Publication: Journal of Materials Chemistry (2005) 15, 34 3525