data_AgPt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.81
_cell_length_b   2.81
_cell_length_c   4.83
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   AgPt
_chemical_formula_sum   'Ag1 Pt1'
_cell_volume   32.95
_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
  Ag  Ag0  1  0.0  0.0  0.0  1.0
  Pt  Pt1  1  0.0  0.62  0.42  1.0

data_AgPt
_symmetry_space_group_name_H-M   Cm
_cell_length_a   2.81
_cell_length_b   4.86
_cell_length_c   4.83
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   AgPt
_chemical_formula_sum   'Ag2 Pt2'
_cell_volume   65.9
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  '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  2  0.0  0.0  0.0  1.0
  Pt  Pt1  2  0.12  0.5  0.42  1.0

Ag Pt
Ag Pt 0 0 + + o 0 0 o + o 0 0 + o o 0 1 o o o 0 1 o - - 0 1 o - o 1 1 + + o 1 1 o + o 1 1 + o o 