data_CoNi4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.07
_cell_length_b   7.07
_cell_length_c   7.07
_cell_angle_alpha   157.81
_cell_angle_beta   157.81
_cell_angle_gamma   31.59
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CoNi4
_chemical_formula_sum   'Co1 Ni4'
_cell_volume   50.31
_cell_formula_units_Z   1
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  0.0  0.0  1.0
  Ni  Ni1  1  0.0  0.0  0.16  1.0
  Ni  Ni2  1  0.0  0.0  0.72  1.0
  Ni  Ni3  1  0.0  0.0  0.88  1.0
  Ni  Ni4  1  0.0  0.0  0.44  1.0

data_CoNi4
_symmetry_space_group_name_H-M   Cm
_cell_length_a   3.85
_cell_length_b   3.85
_cell_length_c   7.07
_cell_angle_alpha   90.0
_cell_angle_beta   105.79
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   CoNi4
_chemical_formula_sum   'Co2 Ni8'
_cell_volume   100.62
_cell_formula_units_Z   2
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  2  0.0  0.0  0.0  1.0
  Ni  Ni1  2  0.0  0.0  0.12  1.0
  Ni  Ni2  2  0.0  0.0  0.28  1.0
  Ni  Ni3  2  0.0  0.0  0.56  1.0
  Ni  Ni4  2  0.0  0.0  0.84  1.0

Co Ni Ni Ni Ni