data_[Ba1Mg1Ag2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Mg  1.3100  1.5000  0.8600
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [P4mm]
_cell_length_a [3.7469]
_cell_length_b [3.7469]
_cell_length_c [7.6614]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [99]
_chemical_formula_structural [BaMgAg2]
_chemical_formula_sum '[Ba1 Mg1 Ag2]'
_cell_volume [107.5635]
_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
[
  Ba  Ba0  1  0.0000  0.0000  0.4776  1
  Mg  Mg1  1  0.5000  0.5000  0.8302  1
  Ag  Ag2  1  0.0000  0.0000  0.0041  1
  Ag  Ag3  1  0.5000  0.5000  0.1881  1
]