data_[Ni2Pt4Se2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ni  1.9100  1.3500  0.7400
  Pt  2.2800  1.3500  0.8050
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [I-4m2]
_cell_length_a [4.0182]
_cell_length_b [4.0182]
_cell_length_c [7.5832]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [119]
_chemical_formula_structural [NiPt2Se]
_chemical_formula_sum '[Ni2 Pt4 Se2]'
_cell_volume [122.4358]
_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
[
  Ni  Ni0  2  0.0000  0.5000  0.2500  1
  Pt  Pt1  2  0.0000  0.0000  0.0000  1
  Pt  Pt2  2  0.0000  0.5000  0.7500  1
  Se  Se3  2  0.0000  0.0000  0.5000  1
]