data_SrCuAg2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.5
_cell_length_b   4.5
_cell_length_c   4.36
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   91.41
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrCuAg2
_chemical_formula_sum   'Sr1 Cu1 Ag2'
_cell_volume   88.24
_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
  Sr  Sr3  1  0.14  0.0  0.0  1.0
  Cu  Cu2  1  0.0  0.0  0.0  1.0
  Ag  Ag0  1  0.57  0.39  0.18  1.0
  Ag  Ag1  1  0.57  0.61  0.18  1.0

data_SrCuAg2
_symmetry_space_group_name_H-M   Pm
_cell_length_a   4.36
_cell_length_b   4.5
_cell_length_c   4.5
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   6
_chemical_formula_structural   SrCuAg2
_chemical_formula_sum   'Sr1 Cu1 Ag2'
_cell_volume   88.27
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '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
  Sr  Sr0  1  0.0  0.0  0.14  1.0
  Cu  Cu1  1  0.0  0.0  0.0  1.0
  Ag  Ag2  2  0.18  0.39  0.57  1.0

Sr Cu Ag Ag