data_[K2Rb2Ta2Te8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Rb  0.8200  2.3500  1.6600
  Ta  1.5000  1.4500  0.8200
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.5460]
_cell_length_b [7.0771]
_cell_length_c [11.4815]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.8355]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [KRbTaTe4]
_chemical_formula_sum '[K2 Rb2 Ta2 Te8]'
_cell_volume [583.6867]
_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
[
  K  K0  2  0.1998  0.7500  0.5295  1.0
  Rb  Rb1  2  0.3131  0.7500  0.0850  1.0
  Ta  Ta2  2  0.1997  0.2500  0.2922  1.0
  Te  Te3  4  0.0549  0.0170  0.7812  1.0
  Te  Te4  2  0.3448  0.2500  0.5288  1.0
  Te  Te5  2  0.4469  0.2500  0.1750  1.0
]