data_[Rb8Nb2Te10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Nb  1.6000  1.4500  0.8200
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [I4]
_cell_length_a [11.1530]
_cell_length_b [11.1530]
_cell_length_c [7.3972]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [79]
_chemical_formula_structural [Rb4NbTe5]
_chemical_formula_sum '[Rb8 Nb2 Te10]'
_cell_volume [920.1294]
_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  8  0.0882  0.3019  0.4976  1.0
  Nb  Nb1  2  0.0000  0.0000  0.0937  1.0
  Te  Te2  8  0.0754  0.2277  0.9946  1.0
  Te  Te3  2  0.0000  0.0000  0.4477  1.0
]