data_[Sr8Ga16Ag20]
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 [Fmmm]
_cell_length_a [6.0520]
_cell_length_b [10.0951]
_cell_length_c [16.2527]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [69]
_chemical_formula_structural [Sr2Ga4Ag5]
_chemical_formula_sum '[Sr8 Ga16 Ag20]'
_cell_volume [992.9630]
_cell_formula_units_Z [4]
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  8  0.0000  0.0000  0.1397  1
  Ga  Ga1  16  0.0000  0.1498  0.3687  1
  Ag  Ag2  8  0.2500  0.2500  0.0000  1
  Ag  Ag3  8  0.2500  0.2500  0.2500  1
  Ag  Ag4  4  0.0000  0.0000  0.5000  1
]