data_[Sr6Ga18Ag4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Ga  1.8100  1.3000  0.7600
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.5529]
_cell_length_b [9.9290]
_cell_length_c [13.4069]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Sr3Ga9Ag2]
_chemical_formula_sum '[Sr6 Ga18 Ag4]'
_cell_volume [606.0620]
_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
[
  Sr  Sr0  4  0.0000  0.0000  0.3050  1.0
  Sr  Sr1  2  0.0000  0.0000  0.0000  1.0
  Ga  Ga2  8  0.0000  0.2757  0.1456  1.0
  Ga  Ga3  8  0.0000  0.3659  0.3381  1.0
  Ga  Ga4  2  0.0000  0.5000  0.0000  1.0
  Ag  Ag5  4  0.0000  0.1967  0.5000  1.0
]