data_[Li4Mg6Ag4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  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 [9.9797]
_cell_length_b [3.8149]
_cell_length_c [6.9194]
_cell_angle_alpha [90.0000]
_cell_angle_beta [96.6367]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Li2Mg3Ag2]
_chemical_formula_sum '[Li4 Mg6 Ag4]'
_cell_volume [261.6703]
_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
[
  Li  Li0  4  0.1287  0.0000  0.4391  1
  Mg  Mg1  4  0.2214  0.5000  0.1660  1
  Mg  Mg2  2  0.0000  0.0000  0.0000  1
  Ag  Ag3  4  0.0669  0.5000  0.7137  1
]