data_[Sr4Ag4Sn8]
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 [5.7358]
_cell_length_b [6.6149]
_cell_length_c [12.2798]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.5256]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [SrAgSn2]
_chemical_formula_sum '[Sr4 Ag4 Sn8]'
_cell_volume [446.6732]
_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  0.0606  0.6378  0.3577  1
  Ag  Ag1  4  0.1311  0.6200  0.1000  1
  Sn  Sn2  4  0.3703  0.1991  0.4746  1
  Sn  Sn3  4  0.4923  0.6208  0.7460  1
]