data_[Zr8Br2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zr  1.3300  1.5500  0.8600
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [I4/m]
_cell_length_a [8.4063]
_cell_length_b [8.4063]
_cell_length_c [3.2625]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [87]
_chemical_formula_structural [Zr4Br]
_chemical_formula_sum '[Zr8 Br2]'
_cell_volume [230.5428]
_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
[
  Zr  Zr0  8  0.0751  0.2954  0.5000  1
  Br  Br1  2  0.0000  0.0000  0.0000  1
]