data_Cu2Mo3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.61
_cell_length_b   11.61
_cell_length_c   11.61
_cell_angle_alpha   13.39
_cell_angle_beta   13.39
_cell_angle_gamma   13.39
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Cu2Mo3
_chemical_formula_sum   'Cu2 Mo3'
_cell_volume   72.9
_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  0.76  1.0
  Cu  Cu1  1  0.0  0.0  0.74  1.0
  Mo  Mo2  1  0.0  0.0  0.0  1.0
  Mo  Mo3  1  0.0  0.0  0.99  1.0
  Mo  Mo4  1  0.0  0.0  0.52  1.0

data_Cu2Mo3
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.69
_cell_length_b   2.71
_cell_length_c   11.61
_cell_angle_alpha   90.0
_cell_angle_beta   97.73
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Cu2Mo3
_chemical_formula_sum   'Cu4 Mo6'
_cell_volume   145.79
_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  0.0  0.0  0.24  1.0
  Cu  Cu1  2  0.0  0.0  0.26  1.0
  Mo  Mo2  2  0.0  0.0  0.0  1.0
  Mo  Mo3  2  0.0  0.0  0.01  1.0
  Mo  Mo4  2  0.0  0.0  0.48  1.0

Cu Cu Mo Mo Mo