data_[Rb4Y8Cu4Te16]
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 [Cmcm]
_cell_length_a [4.3980]
_cell_length_b [15.2605]
_cell_length_c [15.4792]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [RbY2CuTe4]
_chemical_formula_sum '[Rb4 Y8 Cu4 Te16]'
_cell_volume [1038.8863]
_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  0.0000  0.1128  0.7500  1.0
  Y  Y1  8  0.0000  0.3661  0.5645  1.0
  Cu  Cu2  4  0.0000  0.1611  0.2500  1.0
  Te  Te3  8  0.0000  0.2635  0.1108  1.0
  Te  Te4  4  0.0000  0.0000  0.0000  1.0
  Te  Te5  4  0.0000  0.4324  0.7500  1.0
]