data_[Rb6Ta2Te8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  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 [Imm2]
_cell_length_a [7.9960]
_cell_length_b [11.4394]
_cell_length_c [8.5355]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Rb3TaTe4]
_chemical_formula_sum '[Rb6 Ta2 Te8]'
_cell_volume [780.7384]
_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  4  0.0000  0.2519  0.5883  1.0
  Rb  Rb1  2  0.0000  0.0000  0.9802  1.0
  Ta  Ta2  2  0.0000  0.5000  0.0033  1.0
  Te  Te3  4  0.0000  0.3063  0.1719  1.0
  Te  Te4  4  0.2389  0.0000  0.3236  1.0
]