k-points
  8
rec  
    0.50000000    0.00000000    0.50000000     1.0
    0.00000000    0.00000000    0.50000000     1.0
    0.50000000    0.50000000    0.00000000     1.0
    0.00000000    0.50000000    0.50000000     1.0
    0.50000000    0.50000000    0.50000000     1.0
    0.00000000    0.00000000    0.00000000     1.0
    0.50000000    0.00000000    0.00000000     1.0
    0.00000000    0.50000000    0.00000000     1.0
