GaAs
 2.828785378921491
  0.000000   1.000000   1.000000
  1.000000   0.000000   1.000000
  1.000000   1.000000   0.000000
  Ga As
  1  1
Direct
  0.0000000000000000  0.0000000000000000  0.0000000000000000
  0.7500000000000000  0.7500000000000000  0.7500000000000000
