data_MgAlAg2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.25
_cell_length_b   9.25
_cell_length_c   9.25
_cell_angle_alpha   18.77
_cell_angle_beta   18.77
_cell_angle_gamma   18.77
_symmetry_Int_Tables_number   1
_chemical_formula_structural   MgAlAg2
_chemical_formula_sum   'Mg1 Al1 Ag2'
_cell_volume   71.67
_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
  Mg  Mg3  1  0.0  0.0  0.0  1.0
  Al  Al2  1  0.0  0.0  0.63  1.0
  Ag  Ag0  1  0.0  0.0  0.74  1.0
  Ag  Ag1  1  0.0  0.0  0.52  1.0

data_MgAlAg2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.23
_cell_length_b   3.02
_cell_length_c   9.25
_cell_angle_alpha   90.0
_cell_angle_beta   100.85
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   MgAlAg2
_chemical_formula_sum   'Mg2 Al2 Ag4'
_cell_volume   143.35
_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
  Mg  Mg0  2  0.0  0.0  0.0  1.0
  Al  Al1  2  0.0  0.0  0.37  1.0
  Ag  Ag2  2  0.0  0.0  0.26  1.0
  Ag  Ag3  2  0.0  0.0  0.48  1.0

Mg Al Ag Ag