Space group: P m -3 n (No. 223)

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Surface area: green = inside the asymmetric unit, red = outside
Basis vectors: a = red, b = green, c = blue

Number of vertices: 5
  0, 0, 0
  0, 1/2, 0
  1/4, 1/4, 1/4
  1/2, 0, 0
  1/2, 1/2, 0
Number of faces: 5
  z>=0
  x-z>=0 [-y+z>=0]
  x+z<=1/2 [y<=1/4]
  y-z>=0
  y+z<=1/2 [x<=1/4]
[Guide to notation]
Geometric notation:
  z0
  zx0(-zy0)
  ~xz2(y4)
  zy0
  ~yz2(x4)
[Acta Cryst. article]


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