data_[Mg6Ga2Ag8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Ga  1.8100  1.3000  0.7600
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.9281]
_cell_length_b [3.2469]
_cell_length_c [4.8076]
_cell_angle_alpha [90.0000]
_cell_angle_beta [95.5128]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Mg3GaAg4]
_chemical_formula_sum '[Mg6 Ga2 Ag8]'
_cell_volume [294.0990]
_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  4  0.1287  0.0000  0.0963  1
  Mg  Mg1  2  0.0000  0.0000  0.5000  1
  Ga  Ga2  2  0.0000  0.5000  0.0000  1
  Ag  Ag3  4  0.1227  0.5000  0.5921  1
  Ag  Ag4  4  0.2480  0.0000  0.7479  1
]