data_[Sr12Ag2Sn6]
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
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [8.1993]
_cell_length_b [8.7814]
_cell_length_c [13.8417]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.7922]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Sr6AgSn3]
_chemical_formula_sum '[Sr12 Ag2 Sn6]'
_cell_volume [818.4494]
_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  0.0731  0.0489  0.2494  1
  Sr  Sr1  4  0.2337  0.6677  0.0755  1
  Sr  Sr2  4  0.3958  0.1760  0.0695  1
  Ag  Ag3  2  0.0000  0.0000  0.0000  1
  Sn  Sn4  4  0.3107  0.1281  0.7690  1
  Sn  Sn5  2  0.5000  0.0000  0.5000  1
]