data_[Rb4Ge2Te6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ge  2.0100  1.2500  0.7700
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [7.5656]
_cell_length_b [8.2969]
_cell_length_c [9.8225]
_cell_angle_alpha [74.9925]
_cell_angle_beta [72.9181]
_cell_angle_gamma [67.0956]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Rb2GeTe3]
_chemical_formula_sum '[Rb4 Ge2 Te6]'
_cell_volume [535.5311]
_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  0.1508  0.4681  0.1751  1.0
  Rb  Rb1  2  0.3789  0.8021  0.3962  1.0
  Ge  Ge2  2  0.1373  0.9439  0.8197  1.0
  Te  Te3  2  0.1336  0.1860  0.5949  1.0
  Te  Te4  2  0.2268  0.0354  0.0313  1.0
  Te  Te5  2  0.3318  0.6199  0.7855  1.0
]