Crystal Structure of ?

Id1517476
Chemical name ?
a (Å)26.0010(5)
b (Å)26.001
c (Å)6.86071(20)
α (°)90.0
β (°)90.0
γ (°)120.0
V (Å3)4016.80(14)
Space groupR -3 :H
Temperature (K)10