data_[K2Be1Sn1F6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Be  1.5700  1.0500  0.5900
  Sn  1.9600  1.4500  0.8300
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P1]
_cell_length_a [5.6493]
_cell_length_b [6.1189]
_cell_length_c [6.4230]
_cell_angle_alpha [110.6978]
_cell_angle_beta [104.4602]
_cell_angle_gamma [109.3951]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [K2BeSnF6]
_chemical_formula_sum '[K2 Be1 Sn1 F6]'
_cell_volume [178.1505]
_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  1  0.4984  0.8565  0.5320  1.0
  K  K1  1  0.9714  0.9634  0.1296  1.0
  Be  Be2  1  0.7742  0.4334  0.2733  1.0
  Sn  Sn3  1  0.1970  0.3762  0.8302  1.0
  F  F4  1  0.2975  0.7561  0.0649  1.0
  F  F5  1  0.4628  0.3911  0.1957  1.0
  F  F6  1  0.5172  0.5598  0.7481  1.0
  F  F7  1  0.8040  0.2901  0.0305  1.0
  F  F8  1  0.8503  0.3127  0.4457  1.0
  F  F9  1  0.9655  0.7375  0.4116  1.0
]