data_[Rb4Ge4Te14]
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 [13.3596]
_cell_length_b [10.4183]
_cell_length_c [8.3830]
_cell_angle_alpha [90.0000]
_cell_angle_beta [128.0013]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Ge2Te7]
_chemical_formula_sum '[Rb4 Ge4 Te14]'
_cell_volume [919.4129]
_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  0.2378  0.5000  1
  Ge  Ge1  4  0.2192  0.0000  0.3980  1
  Te  Te2  8  0.1490  0.3631  0.2558  1
  Te  Te3  4  0.2181  0.5000  0.8431  1
  Te  Te4  2  0.0000  0.0000  0.0000  1
]