data_[Rb8Si4Te12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Si  1.9000  1.1000  0.5400
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.0836]
_cell_length_b [7.6779]
_cell_length_c [10.9014]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.5039]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2SiTe3]
_chemical_formula_sum '[Rb8 Si4 Te12]'
_cell_volume [1040.4074]
_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
[
  Rb  Rb0  4  0.0907  0.0000  0.8790  1
  Rb  Rb1  4  0.1914  0.5000  0.3211  1
  Si  Si2  4  0.1172  0.5000  0.6818  1
  Te  Te3  4  0.0000  0.2505  0.5000  1
  Te  Te4  4  0.1098  0.5000  0.9038  1
  Te  Te5  4  0.2022  0.0000  0.2769  1
]