data_[Rb2Tl2Ge2Se4O2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Tl  1.6200  1.9000  1.3325
  Ge  2.0100  1.2500  0.7700
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [6.7225]
_cell_length_b [7.3509]
_cell_length_c [7.9515]
_cell_angle_alpha [70.3083]
_cell_angle_beta [86.4910]
_cell_angle_gamma [65.5815]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [RbTlGeSe2O]
_chemical_formula_sum '[Rb2 Tl2 Ge2 Se4 O2]'
_cell_volume [335.4628]
_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
[
  Rb  Rb0  2  0.2080  0.2499  0.1517  1
  Tl  Tl1  2  0.0591  0.1988  0.6672  1
  Ge  Ge2  2  0.4373  0.4130  0.7109  1
  Se  Se3  2  0.2870  0.7758  0.0502  1
  Se  Se4  2  0.4468  0.7510  0.5263  1
  O  O5  2  0.1739  0.4392  0.7636  1
]