data_Mg2Ag
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.1
_cell_length_b   6.46
_cell_length_c   3.61
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg2Ag
_chemical_formula_sum   'Mg4 Ag2'
_cell_volume   142.45
_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
  Mg  Mg2  1  0.28  0.39  0.0  1.0
  Mg  Mg3  1  0.33  0.85  0.81  1.0
  Mg  Mg4  1  0.77  0.62  0.81  1.0
  Mg  Mg5  1  0.82  0.08  0.0  1.0
  Ag  Ag0  1  0.0  0.0  0.0  1.0
  Ag  Ag1  1  0.05  0.23  0.81  1.0

data_Mg2Ag
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.61
_cell_length_b   6.1
_cell_length_c   6.46
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg2Ag
_chemical_formula_sum   'Mg4 Ag2'
_cell_volume   142.45
_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
  Mg  Mg0  1  0.0  0.82  0.08  1.0
  Mg  Mg1  1  0.0  0.28  0.39  1.0
  Mg  Mg2  1  0.81  0.33  0.85  1.0
  Mg  Mg3  1  0.81  0.77  0.62  1.0
  Ag  Ag4  1  0.0  0.0  0.0  1.0
  Ag  Ag5  1  0.81  0.05  0.23  1.0

Mg Mg Mg Mg Ag Ag