data_[Mg3In18Ag36]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  In  1.7800  1.5500  0.9400
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [12.4838]
_cell_length_b [12.4838]
_cell_length_c [8.8466]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Mg(InAg2)6]
_chemical_formula_sum '[Mg3 In18 Ag36]'
_cell_volume [1193.9816]
_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
[
  Mg  Mg0  3  0.0000  0.0000  0.0000  1.0
  In  In1  18  0.0540  0.8142  0.5849  1.0
  Ag  Ag2  18  0.0526  0.8432  0.2478  1.0
  Ag  Ag3  18  0.0614  0.8203  0.9208  1.0
]