data_[Rb8Ge4Te8]
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 [C2/m]
_cell_length_a [15.4477]
_cell_length_b [7.5231]
_cell_length_c [10.2929]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.5115]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2GeTe2]
_chemical_formula_sum '[Rb8 Ge4 Te8]'
_cell_volume [1040.9877]
_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  0.1072  0.0000  0.4009  1.0
  Rb  Rb1  4  0.1542  0.5000  0.7926  1.0
  Ge  Ge2  4  0.1357  0.5000  0.1464  1.0
  Te  Te3  4  0.1215  0.5000  0.3880  1.0
  Te  Te4  4  0.1771  0.0000  0.7906  1.0
]