data_[Sc2Pb4Se2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sc  1.3600  1.6000  0.8850
  Pb  2.3300  1.8000  1.1225
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.4827]
_cell_length_b [4.0693]
_cell_length_c [15.8651]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [ScPb2Se]
_chemical_formula_sum '[Sc2 Pb4 Se2]'
_cell_volume [224.8424]
_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
[
  Sc  Sc0  2  0.0000  0.5000  0.5000  1
  Pb  Pb1  4  0.0000  0.0000  0.1874  1
  Se  Se2  2  0.0000  0.5000  0.0000  1
]