data_[K4Sm8Te16Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Sm  1.1700  1.8500  1.2290
  Te  2.1000  1.4000  1.2933
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.5483]
_cell_length_b [15.6172]
_cell_length_c [16.5919]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [KSm2Te4Pb]
_chemical_formula_sum '[K4 Sm8 Te16 Pb4]'
_cell_volume [1178.5534]
_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
[
  K  K0  4  0.0000  0.1448  0.7500  1
  Sm  Sm1  8  0.0000  0.3753  0.5629  1
  Te  Te2  8  0.0000  0.2694  0.0983  1
  Te  Te3  4  0.0000  0.0000  0.0000  1
  Te  Te4  4  0.0000  0.4798  0.7500  1
  Pb  Pb5  4  0.0000  0.1434  0.2500  1
]