data_[Bi4Te4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Bi  2.0200  1.6000  1.0350
  Te  2.1000  1.4000  1.2933
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [6.7007]
_cell_length_b [6.9523]
_cell_length_c [8.9308]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [BiTeO5]
_chemical_formula_sum '[Bi4 Te4 O20]'
_cell_volume [416.0451]
_cell_formula_units_Z [4]
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
[
  Bi  Bi0  4  0.0000  0.2500  0.4126  1
  Te  Te1  4  0.0000  0.0000  0.0000  1
  O  O2  8  0.0000  0.0992  0.8020  1
  O  O3  8  0.2008  0.0000  0.5000  1
  O  O4  4  0.0000  0.2500  0.1097  1
]