data_Cu3Pt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.7
_cell_length_b   3.73
_cell_length_c   5.19
_cell_angle_alpha   90.0
_cell_angle_beta   94.9
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Cu3Pt
_chemical_formula_sum   'Cu3 Pt1'
_cell_volume   52.05
_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  Cu0  1  0.12  0.87  0.95  1.0
  Cu  Cu1  1  0.13  0.87  0.23  1.0
  Cu  Cu2  1  0.0  0.0  0.0  1.0
  Pt  Pt3  1  0.78  0.0  0.59  1.0

data_Cu3Pt
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.7
_cell_length_b   3.73
_cell_length_c   5.19
_cell_angle_alpha   90.0
_cell_angle_beta   94.9
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Cu3Pt
_chemical_formula_sum   'Cu3 Pt1'
_cell_volume   52.05
_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  Cu0  1  0.0  0.0  0.0  1.0
  Cu  Cu1  1  0.12  0.87  0.95  1.0
  Cu  Cu2  1  0.13  0.87  0.23  1.0
  Pt  Pt3  1  0.78  0.0  0.59  1.0

Cu Cu Cu Pt
Cu Cu Cu Pt 0 2 o + + 0 1 o o + 0 3 - + o 1 2 o + o 1 3 o + o 1 3 - + o 2 3 - o - 