data_Cu2BiTe
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.62
_cell_length_b   3.62
_cell_length_c   6.41
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Cu2BiTe
_chemical_formula_sum   'Cu2 Bi1 Te1'
_cell_volume   84.12
_cell_formula_units_Z   1
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  Cu1  1  0.81  0.81  0.07  1.0
  Cu  Cu2  1  0.81  0.81  0.34  1.0
  Bi  Bi0  1  0.0  0.0  0.2  1.0
  Te  Te3  1  0.0  0.0  0.0  1.0

data_Cu2BiTe
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.12
_cell_length_b   5.12
_cell_length_c   6.41
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Cu2BiTe
_chemical_formula_sum   'Cu4 Bi2 Te2'
_cell_volume   168.24
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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  0.31  0.5  0.07  1.0
  Cu  Cu1  2  0.31  0.5  0.34  1.0
  Bi  Bi2  2  0.0  0.0  0.2  1.0
  Te  Te3  2  0.0  0.0  0.0  1.0

Cu Cu Bi Te
Cu Cu Bi Te 0 3 + + o 0 2 + + o 1 2 + + o 2 3 o o o 