[CIF]
data_CuNi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.78508659
_cell_length_b   6.78508659
_cell_length_c   6.78508659
_cell_angle_alpha   33.55730976
_cell_angle_beta   33.55730976
_cell_angle_gamma   33.55730976
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CuNi
_chemical_formula_sum   'Cu4 Ni4'
_cell_volume   85.01573200
_cell_formula_units_Z   4
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Cu  Cu0  1  0.00000000  0.00000000  15.59278740  1
  Cu  Cu1  1  0.00000000  -0.00000000  17.99167776  1
  Cu  Cu2  1  0.00000000  0.00000000  1.19944518  1
  Cu  Cu3  1  -0.00000000  0.00000000  3.59833555  1
  Ni  Ni4  1  0.00000000  0.00000000  5.99722592  1
  Ni  Ni5  1  0.00000000  0.00000000  8.39611629  1
  Ni  Ni6  1  0.00000000  0.00000000  10.79500666  1
  Ni  Ni7  1  0.00000000  -0.00000000  13.19389703  1
[/CIF]
