data_[Na4Yb2Cu4Te8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Yb  1.1000  1.7500  1.0840
  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 [15.5472]
_cell_length_b [4.0462]
_cell_length_c [8.4584]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.9410]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na2Yb(CuTe2)2]
_chemical_formula_sum '[Na4 Yb2 Cu4 Te8]'
_cell_volume [493.5532]
_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
[
  Na  Na0  4  0.1211  0.0000  0.5492  1.0
  Yb  Yb1  2  0.0000  0.0000  0.0000  1.0
  Cu  Cu2  4  0.1857  0.5000  0.9900  1.0
  Te  Te3  4  0.0220  0.5000  0.7439  1.0
  Te  Te4  4  0.2147  0.0000  0.2035  1.0
]