data_[K2Ba1Si1F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Ba  0.8900  2.1500  1.4900
  Si  1.9000  1.1000  0.5400
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [4.5866]
_cell_length_b [7.6811]
_cell_length_c [5.9251]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.7255]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [K2BaSiF8]
_chemical_formula_sum '[K2 Ba1 Si1 F8]'
_cell_volume [208.0341]
_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  0.5000  0.2278  0.5000  1.0
  Ba  Ba1  1  0.0000  0.5000  0.0000  1.0
  Si  Si2  1  0.0000  0.0000  0.0000  1.0
  F  F3  4  0.1256  0.1634  0.8288  1.0
  F  F4  2  0.3148  0.0000  0.1701  1.0
  F  F5  2  0.4921  0.5000  0.7556  1.0
]