data_[Mg4Ag4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.3727]
_cell_length_b [3.2631]
_cell_length_c [4.7420]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.9268]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [MgAg]
_chemical_formula_sum '[Mg4 Ag4]'
_cell_volume [150.8950]
_cell_formula_units_Z [4]
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  4  0.1143  0.0000  0.3325  1.0
  Ag  Ag1  4  0.1295  0.5000  0.8428  1.0
]