data_[Tm2Bi2Se2O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tm  1.2500  1.7500  1.0950
  Bi  2.0200  1.6000  1.0350
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.5025]
_cell_length_b [3.9998]
_cell_length_c [7.6750]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.3047]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [TmBiSeO2]
_chemical_formula_sum '[Tm2 Bi2 Se2 O4]'
_cell_volume [192.5403]
_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
[
  Tm  Tm0  2  0.3229  0.2500  0.0771  1
  Bi  Bi1  2  0.3055  0.2500  0.5905  1
  Se  Se2  2  0.0538  0.7500  0.7891  1
  O  O3  2  0.4777  0.7500  0.1211  1
  O  O4  2  0.4986  0.7500  0.6267  1
]