data_[K2Sm1Zn1F8]
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
  Zn  1.6500  1.3500  0.8800
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [3.9848]
_cell_length_b [6.2607]
_cell_length_c [7.9260]
_cell_angle_alpha [84.0159]
_cell_angle_beta [88.8983]
_cell_angle_gamma [86.7633]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [K2SmZnF8]
_chemical_formula_sum '[K2 Sm1 Zn1 F8]'
_cell_volume [196.3256]
_cell_formula_units_Z [1]
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  0.4880  0.4716  0.7609  1
  Sm  Sm1  1  0.0000  0.0000  0.5000  1
  Zn  Zn2  1  0.0000  0.0000  0.0000  1
  F  F3  2  0.0243  0.1521  0.7721  1
  F  F4  2  0.0346  0.2705  0.2849  1
  F  F5  2  0.3845  0.8110  0.9643  1
  F  F6  2  0.4954  0.2031  0.5240  1
]