data_[K4Tl4Ge4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Tl  1.6200  1.9000  1.3325
  Ge  2.0100  1.2500  0.7700
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [6.4921]
_cell_length_b [12.3736]
_cell_length_c [5.3965]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.9495]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [KTlGeO3]
_chemical_formula_sum '[K4 Tl4 Ge4 O12]'
_cell_volume [425.6109]
_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
[
  K  K0  4  0.0000  0.4074  0.2500  1.0
  Tl  Tl1  4  0.0000  0.2291  0.7500  1.0
  Ge  Ge2  4  0.0000  0.0470  0.2500  1.0
  O  O3  8  0.1810  0.0333  0.9801  1.0
  O  O4  4  0.0000  0.1898  0.2500  1.0
]