data_[Rb4Y2Cu4Te8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Y  1.2200  1.8000  1.0400
  Cu  1.9000  1.3500  0.8200
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.0059]
_cell_length_b [4.2908]
_cell_length_c [8.8328]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.3260]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Y(CuTe2)2]
_chemical_formula_sum '[Rb4 Y2 Cu4 Te8]'
_cell_volume [575.8540]
_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  0.1322  0.0000  0.5521  1.0
  Y  Y1  2  0.0000  0.0000  0.0000  1.0
  Cu  Cu2  4  0.1823  0.5000  0.9873  1.0
  Te  Te3  4  0.0237  0.5000  0.7691  1.0
  Te  Te4  4  0.2019  0.0000  0.1738  1.0
]