data_[Sr8Ag4Bi8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Ag  1.9300  1.6000  1.0867
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.5675]
_cell_length_b [4.9057]
_cell_length_c [11.9135]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.9512]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sr2AgBi2]
_chemical_formula_sum '[Sr8 Ag4 Bi8]'
_cell_volume [665.9450]
_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  4  0.0182  0.5000  0.3462  1
  Sr  Sr1  4  0.1750  0.5000  0.1062  1
  Ag  Ag2  4  0.2000  0.0000  0.3377  1
  Bi  Bi3  4  0.0387  0.0000  0.8813  1
  Bi  Bi4  4  0.1629  0.0000  0.5850  1
]