data_[Tm4Si4Bi4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tm  1.2500  1.7500  1.0950
  Si  1.9000  1.1000  0.5400
  Bi  2.0200  1.6000  1.0350
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [6.7751]
_cell_length_b [9.3687]
_cell_length_c [7.5555]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.0836]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [TmSiBiO5]
_chemical_formula_sum '[Tm4 Si4 Bi4 O20]'
_cell_volume [447.4728]
_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
[
  Tm  Tm0  4  0.0000  0.0000  0.0000  1.0
  Si  Si1  4  0.0000  0.3209  0.7500  1.0
  Bi  Bi2  4  0.0000  0.3296  0.2500  1.0
  O  O3  8  0.1207  0.2135  0.6430  1.0
  O  O4  8  0.1634  0.4245  0.9140  1.0
  O  O5  4  0.0000  0.1041  0.2500  1.0
]