data_[Tl4Sn2Ge2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tl  1.6200  1.9000  1.3325
  Sn  1.9600  1.4500  0.8300
  Ge  2.0100  1.2500  0.7700
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [7.7119]
_cell_length_b [8.0367]
_cell_length_c [5.2993]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [Tl2SnGeO4]
_chemical_formula_sum '[Tl4 Sn2 Ge2 O8]'
_cell_volume [328.4373]
_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
[
  Tl  Tl0  4  0.2236  0.6807  0.5145  1.0
  Sn  Sn1  2  0.0000  0.1842  0.5257  1.0
  Ge  Ge2  2  0.0000  0.9123  0.9982  1.0
  O  O3  4  0.1927  0.8063  0.0799  1.0
  O  O4  2  0.0000  0.1214  0.1309  1.0
  O  O5  2  0.0000  0.9346  0.6566  1.0
]