data_[Sr4Sn12Ru8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Sn  1.9600  1.4500  0.8300
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [10.3963]
_cell_length_b [8.5595]
_cell_length_c [6.1035]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [SrSn3Ru2]
_chemical_formula_sum '[Sr4 Sn12 Ru8]'
_cell_volume [543.1356]
_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  0.0000  0.3731  0.2500  1.0
  Sn  Sn1  8  0.1795  0.2793  0.7500  1.0
  Sn  Sn2  4  0.0000  0.0016  0.7500  1.0
  Ru  Ru3  8  0.2093  0.0000  0.0000  1.0
]