[CIF]
data_CuNi3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.50000000
_cell_length_b   2.75000000
_cell_length_c   6.14918694
_cell_angle_alpha   90.00000000
_cell_angle_beta   116.56505118
_cell_angle_gamma   90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CuNi3
_chemical_formula_sum   'Cu2 Ni6'
_cell_volume   83.18750000
_cell_formula_units_Z   2
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  2.06250000  2.06250000  3.43750000  1
  Cu  Cu1  1  0.68750000  0.68750000  2.06250000  1
  Ni  Ni2  1  4.81250000  2.06250000  0.68750000  1
  Ni  Ni3  1  0.68750000  0.68750000  4.81250000  1
  Ni  Ni4  1  -0.68750000  2.06250000  3.43750000  1
  Ni  Ni5  1  3.43750000  0.68750000  2.06250000  1
  Ni  Ni6  1  2.06250000  2.06250000  0.68750000  1
  Ni  Ni7  1  -2.06250000  0.68750000  4.81250000  1
[/CIF]
