data_[Fe4Co2Ni2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Fe  1.8300  1.4000  0.8525
  Co  1.8800  1.3500  0.7683
  Ni  1.9100  1.3500  0.7400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [4.8693]
_cell_length_b [5.1138]
_cell_length_c [8.8032]
_cell_angle_alpha [90.0000]
_cell_angle_beta [123.1895]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Fe2CoNiO6]
_chemical_formula_sum '[Fe4 Co2 Ni2 O12]'
_cell_volume [183.4471]
_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
[
  Fe  Fe0  4  0.2827  0.0699  0.7511  1
  Co  Co1  2  0.0000  0.0000  0.0000  1
  Ni  Ni2  2  0.5000  0.0000  0.5000  1
  O  O3  4  0.0860  0.0693  0.2342  1
  O  O4  4  0.2549  0.7012  0.0813  1
  O  O5  4  0.3823  0.1850  0.0768  1
]