data_CoNi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.25
_cell_length_b   7.25
_cell_length_c   7.25
_cell_angle_alpha   152.73
_cell_angle_beta   152.73
_cell_angle_gamma   38.94
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CoNi
_chemical_formula_sum   'Co4 Ni4'
_cell_volume   80.0
_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
  Co  Co0  1  0.0  0.71  0.42  1.0
  Co  Co1  1  0.0  0.0  0.55  1.0
  Co  Co2  1  0.0  0.0  0.13  1.0
  Co  Co3  1  0.71  0.0  0.42  1.0
  Ni  Ni4  1  0.0  0.71  0.0  1.0
  Ni  Ni5  1  0.0  0.0  0.71  1.0
  Ni  Ni6  1  0.71  0.0  0.0  1.0
  Ni  Ni7  1  0.0  0.0  0.97  1.0

data_CoNi
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.84
_cell_length_b   4.84
_cell_length_c   7.25
_cell_angle_alpha   90.0
_cell_angle_beta   109.47
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   CoNi
_chemical_formula_sum   'Co8 Ni8'
_cell_volume   160.01
_cell_formula_units_Z   8
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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
  Co  Co0  4  0.07  0.35  0.71  1.0
  Co  Co1  2  0.05  0.5  0.55  1.0
  Co  Co2  2  0.13  0.0  0.13  1.0
  Ni  Ni3  4  0.15  0.15  0.29  1.0
  Ni  Ni4  2  0.21  0.5  0.71  1.0
  Ni  Ni5  2  0.47  0.5  0.97  1.0

Co Co Co Co Ni Ni Ni Ni