data_[Fe4Co4Ni8Se24]
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
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.9559]
_cell_length_b [11.4316]
_cell_length_c [5.9640]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.8863]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [FeCo(NiSe3)2]
_chemical_formula_sum '[Fe4 Co4 Ni8 Se24]'
_cell_volume [693.1147]
_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
[
  Fe  Fe0  4  0.0000  0.2570  0.2500  1.0
  Co  Co1  4  0.0000  0.0746  0.7500  1.0
  Ni  Ni2  8  0.1290  0.4007  0.7001  1.0
  Se  Se3  8  0.1000  0.3997  0.0806  1.0
  Se  Se4  8  0.1265  0.0876  0.1735  1.0
  Se  Se5  8  0.1353  0.2023  0.6492  1.0
]