data_[Rb4Si2Te6]
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 [P-1]
_cell_length_a [7.6016]
_cell_length_b [8.2435]
_cell_length_c [9.7277]
_cell_angle_alpha [74.8406]
_cell_angle_beta [72.0430]
_cell_angle_gamma [66.6604]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Rb2SiTe3]
_chemical_formula_sum '[Rb4 Si2 Te6]'
_cell_volume [525.6098]
_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  2  0.1159  0.1987  0.1090  1.0
  Rb  Rb1  2  0.3476  0.5386  0.3225  1.0
  Si  Si2  2  0.3659  0.0550  0.6772  1.0
  Te  Te3  2  0.1715  0.3708  0.7141  1.0
  Te  Te4  2  0.2802  0.9670  0.4719  1.0
  Te  Te5  2  0.3681  0.8211  0.8990  1.0
]