data_ZrCrAg
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.99
_cell_length_b   6.85
_cell_length_c   2.84
_cell_angle_alpha   81.08
_cell_angle_beta   75.28
_cell_angle_gamma   23.64
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZrCrAg
_chemical_formula_sum   'Zr1 Cr1 Ag1'
_cell_volume   51.61
_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
  Zr  Zr2  1  0.74  0.25  0.26  1.0
  Cr  Cr1  1  0.74  0.25  0.86  1.0
  Ag  Ag0  1  0.74  0.25  0.13  1.0

data_ZrCrAg
_symmetry_space_group_name_H-M   Cm
_cell_length_a   3.47
_cell_length_b   13.24
_cell_length_c   2.84
_cell_angle_alpha   90.0
_cell_angle_beta   127.71
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   ZrCrAg
_chemical_formula_sum   'Zr2 Cr2 Ag2'
_cell_volume   103.22
_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
  Zr  Zr0  2  0.26  0.5  0.0  1.0
  Cr  Cr1  2  0.16  0.0  0.41  1.0
  Ag  Ag2  2  0.39  0.5  0.14  1.0

Zr Cr Ag
Zr Cr Ag 0 2 o o o 1 2 o o + 