data_[Mg2Ta4Ag2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Ta  1.5000  1.4500  0.8200
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [10.1486]
_cell_length_b [2.9264]
_cell_length_c [5.3349]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.3780]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [MgTa2Ag]
_chemical_formula_sum '[Mg2 Ta4 Ag2]'
_cell_volume [147.5380]
_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  2  0.2573  0.5000  0.3303  1
  Ta  Ta1  2  0.2459  0.0000  0.8308  1
  Ta  Ta2  2  0.4921  0.5000  0.9199  1
  Ag  Ag3  2  0.0047  0.5000  0.4191  1
]