data_[K2Sm2Pb2F12]
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
  Pb  2.3300  1.8000  1.1225
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P4_2nm]
_cell_length_a [5.6513]
_cell_length_b [5.6513]
_cell_length_c [11.6603]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [102]
_chemical_formula_structural [KSmPbF6]
_chemical_formula_sum '[K2 Sm2 Pb2 F12]'
_cell_volume [372.3933]
_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
[
  K  K0  2  0.0000  0.0000  0.0001  1.0
  Sm  Sm1  2  0.0000  0.0000  0.3340  1.0
  Pb  Pb2  2  0.0000  0.0000  0.6689  1.0
  F  F3  4  0.1757  0.8243  0.4863  1.0
  F  F4  4  0.1937  0.8063  0.1920  1.0
  F  F5  4  0.2160  0.7840  0.8202  1.0
]