data_[Cu4Sb2Te6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cu  1.9000  1.3500  0.8200
  Sb  2.0500  1.4500  0.8300
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.5894]
_cell_length_b [4.0938]
_cell_length_c [11.1318]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.6031]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Cu2SbTe3]
_chemical_formula_sum '[Cu4 Sb2 Te6]'
_cell_volume [338.7894]
_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
[
  Cu  Cu0  2  0.0374  0.7500  0.4325  1.0
  Cu  Cu1  2  0.4510  0.2500  0.9217  1.0
  Sb  Sb2  2  0.2748  0.7500  0.6949  1.0
  Te  Te3  2  0.0918  0.2500  0.8196  1.0
  Te  Te4  2  0.2604  0.2500  0.4663  1.0
  Te  Te5  2  0.3669  0.2500  0.1386  1.0
]