data_[Cs2Bi2Te2F2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Bi  2.0200  1.6000  1.0350
  Te  2.1000  1.4000  1.2933
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [7.3224]
_cell_length_b [5.3391]
_cell_length_c [7.7299]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.7056]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [CsBiTeF]
_chemical_formula_sum '[Cs2 Bi2 Te2 F2]'
_cell_volume [284.5040]
_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
[
  Cs  Cs0  2  0.1644  0.5000  0.1690  1
  Bi  Bi1  2  0.2250  0.0000  0.5803  1
  Te  Te2  2  0.3951  0.5000  0.7566  1
  F  F3  2  0.3561  0.0000  0.3317  1
]