data_Sr2Ag3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.8
_cell_length_b   4.8
_cell_length_c   7.98
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr2Ag3
_chemical_formula_sum   'Sr2 Ag3'
_cell_volume   159.02
_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  0.4  0.38  0.42  1.0
  Sr  Sr4  1  0.0  0.77  0.56  1.0
  Ag  Ag0  1  0.0  0.0  0.0  1.0
  Ag  Ag1  1  0.4  0.38  0.23  1.0
  Ag  Ag2  1  0.0  0.77  0.75  1.0

data_Sr2Ag3
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.8
_cell_length_b   4.8
_cell_length_c   7.98
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr2Ag3
_chemical_formula_sum   'Sr2 Ag3'
_cell_volume   159.02
_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  -0.0  0.77  0.56  1.0
  Sr  Sr1  1  0.4  0.38  0.42  1.0
  Ag  Ag2  1  -0.0  0.77  0.75  1.0
  Ag  Ag3  1  0.0  0.0  0.0  1.0
  Ag  Ag4  1  0.4  0.38  0.23  1.0

Sr Sr Ag Ag Ag
Sr Sr Ag Ag Ag 0 3 o o o 1 4 o o o 2 4 o - - 2 3 o o o 