data_Cu5Ag3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.04
_cell_length_b   5.04
_cell_length_c   5.26
_cell_angle_alpha   105.14
_cell_angle_beta   105.14
_cell_angle_gamma   53.78
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Cu5Ag3
_chemical_formula_sum   'Cu5 Ag3'
_cell_volume   102.91
_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  Cu3  1  0.49  0.0  0.0  1.0
  Cu  Cu4  1  0.39  0.24  0.4  1.0
  Cu  Cu5  1  0.28  0.24  0.14  1.0
  Cu  Cu6  1  0.16  0.24  0.89  1.0
  Cu  Cu7  1  0.05  0.24  0.63  1.0
  Ag  Ag0  1  0.34  0.72  0.77  1.0
  Ag  Ag1  1  0.72  0.0  0.51  1.0
  Ag  Ag2  1  0.62  0.0  0.26  1.0

data_Cu5Ag3
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.56
_cell_length_b   5.04
_cell_length_c   5.26
_cell_angle_alpha   105.14
_cell_angle_beta   90.0
_cell_angle_gamma   116.89
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Cu5Ag3
_chemical_formula_sum   'Cu5 Ag3'
_cell_volume   102.91
_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  0.51  0.0  1.0
  Cu  Cu1  1  0.76  0.48  0.86  1.0
  Cu  Cu2  1  0.76  0.6  0.11  1.0
  Cu  Cu3  1  0.76  0.37  0.6  1.0
  Cu  Cu4  1  0.76  0.71  0.37  1.0
  Ag  Ag5  1  0.0  0.28  0.49  1.0
  Ag  Ag6  1  0.28  0.94  0.23  1.0
  Ag  Ag7  1  1.0  0.38  0.74  1.0

Cu Cu Cu Cu Cu Ag Ag Ag