data_[La9Mg21Ag6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Mg  1.3100  1.5000  0.8600
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [6.0383]
_cell_length_b [6.0383]
_cell_length_c [29.4764]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [La3Mg7Ag2]
_chemical_formula_sum '[La9 Mg21 Ag6]'
_cell_volume [930.7649]
_cell_formula_units_Z [3]
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
[
  La  La0  6  0.0000  0.0000  0.1468  1.0
  La  La1  3  0.0000  0.0000  0.0000  1.0
  Mg  Mg2  18  0.0022  0.5011  0.9219  1.0
  Mg  Mg3  3  -0.0000  -0.0000  0.5000  1.0
  Ag  Ag4  6  0.0000  0.0000  0.3340  1.0
]