data_[Ba4Mg2Ag2]
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 [Amm2]
_cell_length_a [5.0165]
_cell_length_b [5.0039]
_cell_length_c [12.9282]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Ba2MgAg]
_chemical_formula_sum '[Ba4 Mg2 Ag2]'
_cell_volume [324.5294]
_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
[
  Ba  Ba0  2  0.0000  0.0000  0.8930  1.0
  Ba  Ba1  2  0.5000  0.0000  0.6073  1.0
  Mg  Mg2  2  0.0000  0.0000  0.1912  1.0
  Ag  Ag3  2  0.5000  0.0000  0.3062  1.0
]