Bi2Se3
1.0
-2.069  -3.583614  0.000000
 2.069  -3.583614  0.000000
 0.000   2.389075  9.546667
Bi   Se
 2   3
Direct
 0.3990    0.3990    0.6970
 0.6010    0.6010    0.3030
 0     0     0.5
 0.2060    0.2060    0.1180
 0.7940    0.7940    0.8820

