data_AgPt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.65
_cell_length_b   5.65
_cell_length_c   5.65
_cell_angle_alpha   150.98
_cell_angle_beta   128.52
_cell_angle_gamma   60.18
_symmetry_Int_Tables_number   1
_chemical_formula_structural   AgPt
_chemical_formula_sum   'Ag2 Pt2'
_cell_volume   67.82
_cell_formula_units_Z   2
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
  Ag  Ag0  1  0.41  0.23  0.16  1.0
  Ag  Ag1  1  0.0  0.23  0.73  1.0
  Pt  Pt2  1  0.0  0.68  0.31  1.0
  Pt  Pt3  1  0.41  0.77  0.57  1.0

data_AgPt
_symmetry_space_group_name_H-M   C2/m
_cell_length_a   10.93
_cell_length_b   2.83
_cell_length_c   4.91
_cell_angle_alpha   90.0
_cell_angle_beta   116.65
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   12
_chemical_formula_structural   AgPt
_chemical_formula_sum   'Ag4 Pt4'
_cell_volume   135.64
_cell_formula_units_Z   4
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-x, -y, -z'
  3  '-x, y, -z'
  4  'x, -y, z'
  5  'x+1/2, y+1/2, z'
  6  '-x+1/2, -y+1/2, -z'
  7  '-x+1/2, y+1/2, -z'
  8  'x+1/2, -y+1/2, 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
  Ag  Ag0  4  0.0  0.0  0.21  1.0
  Pt  Pt1  4  0.06  0.5  0.92  1.0

Ag Ag Pt Pt
Ag Ag Pt Pt 0 3 o o o 0 3 o - - 1 2 o o + 1 2 o - o 2 3 o o o 