data_SrCaAg2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.31
_cell_length_b   4.42
_cell_length_c   6.56
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrCaAg2
_chemical_formula_sum   'Sr1 Ca1 Ag2'
_cell_volume   124.88
_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  0.15  0.21  0.19  1.0
  Ca  Ca2  1  0.0  0.0  0.81  1.0
  Ag  Ag0  1  0.0  0.0  0.32  1.0
  Ag  Ag1  1  0.15  0.21  0.52  1.0

data_SrCaAg2
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.31
_cell_length_b   4.42
_cell_length_c   6.56
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrCaAg2
_chemical_formula_sum   'Sr1 Ca1 Ag2'
_cell_volume   124.88
_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  Sr0  1  0.15  0.21  0.19  1.0
  Ca  Ca1  1  0.0  0.0  0.81  1.0
  Ag  Ag2  1  0.0  0.0  0.32  1.0
  Ag  Ag3  1  0.15  0.21  0.52  1.0

Sr Ca Ag Ag
Sr Ca Ag Ag 0 2 o o o 1 3 o o o 2 3 o o o 