data_[Sr2Tb2Zn8]
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
  Zn  1.6500  1.3500  0.8800
]
_symmetry_space_group_name_H-M [I-4m2]
_cell_length_a [4.2503]
_cell_length_b [4.2503]
_cell_length_c [15.5307]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [119]
_chemical_formula_structural [SrTbZn4]
_chemical_formula_sum '[Sr2 Tb2 Zn8]'
_cell_volume [280.5630]
_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  0.5000  0.7500  1
  Tb  Tb1  2  0.0000  0.0000  0.0000  1
  Zn  Zn2  4  0.0000  0.0000  0.4210  1
  Zn  Zn3  4  0.0000  0.5000  0.1628  1
]