data_[K4Fe2Sn2F12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Fe  1.8300  1.4000  0.8525
  Sn  1.9600  1.4500  0.8300
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [6.2151]
_cell_length_b [6.3041]
_cell_length_c [10.6577]
_cell_angle_alpha [90.0000]
_cell_angle_beta [125.1506]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [K2FeSnF6]
_chemical_formula_sum '[K4 Fe2 Sn2 F12]'
_cell_volume [341.4253]
_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  4  0.2389  0.0378  0.2495  1.0
  Fe  Fe1  2  0.0000  0.0000  0.5000  1.0
  Sn  Sn2  2  0.5000  0.0000  0.0000  1.0
  F  F3  4  0.1533  0.2248  0.9562  1.0
  F  F4  4  0.2375  0.6990  0.9621  1.0
  F  F5  4  0.3069  0.0232  0.7286  1.0
]