data_Cu2Te
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.29
_cell_length_b   4.29
_cell_length_c   8.42
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Cu2Te
_chemical_formula_sum   'Cu4 Te2'
_cell_volume   134.46
_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  1  0.0  0.48  0.29  1.0
  Cu  Cu1  1  0.15  0.24  0.29  1.0
  Cu  Cu2  1  0.15  0.24  0.13  1.0
  Cu  Cu3  1  0.0  0.48  0.13  1.0
  Te  Te4  1  0.0  0.0  0.27  1.0
  Te  Te5  1  0.0  0.0  0.15  1.0

data_Cu2Te
_symmetry_space_group_name_H-M   Pm
_cell_length_a   4.29
_cell_length_b   8.42
_cell_length_c   4.29
_cell_angle_alpha   90.0
_cell_angle_beta   120.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   6
_chemical_formula_structural   Cu2Te
_chemical_formula_sum   'Cu4 Te2'
_cell_volume   134.46
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '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  0.0  0.42  0.48  1.0
  Cu  Cu1  2  0.15  0.42  0.24  1.0
  Te  Te2  2  0.0  0.44  0.0  1.0

Cu Cu Cu Cu Te Te