data_CuSiAg2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.76
_cell_length_b   4.76
_cell_length_c   4.87
_cell_angle_alpha   98.88
_cell_angle_beta   98.88
_cell_angle_gamma   35.06
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CuSiAg2
_chemical_formula_sum   'Cu1 Si1 Ag2'
_cell_volume   62.69
_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  Cu2  1  0.15  0.0  0.4  1.0
  Si  Si3  1  0.0  0.0  0.0  1.0
  Ag  Ag0  1  0.68  0.0  0.6  1.0
  Ag  Ag1  1  0.62  0.0  0.2  1.0

data_CuSiAg2
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.87
_cell_length_b   4.76
_cell_length_c   4.87
_cell_angle_alpha   98.88
_cell_angle_beta   90.0
_cell_angle_gamma   107.53
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CuSiAg2
_chemical_formula_sum   'Cu1 Si1 Ag2'
_cell_volume   62.69
_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
  Si  Si0  1  0.0  0.0  0.0  1.0
  Cu  Cu1  1  0.0  0.85  0.6  1.0
  Ag  Ag2  1  0.0  0.32  0.4  1.0
  Ag  Ag3  1  0.0  0.38  0.8  1.0

Cu Si Ag Ag