data_[Sr2Tb8Sn8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Tb  1.1000  1.7500  0.9815
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P4_2/n]
_cell_length_a [10.1746]
_cell_length_b [10.1746]
_cell_length_c [6.1547]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [86]
_chemical_formula_structural [Sr(TbSn)4]
_chemical_formula_sum '[Sr2 Tb8 Sn8]'
_cell_volume [637.1522]
_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  2  0.0000  0.0000  0.0000  1
  Tb  Tb1  8  0.1162  0.3643  0.6080  1
  Sn  Sn2  8  0.1616  0.3103  0.0913  1
]