data_[Sr4Zn2Br2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Zn  1.6500  1.3500  0.8800
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.5163]
_cell_length_b [6.8781]
_cell_length_c [9.3846]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Sr2ZnBr]
_chemical_formula_sum '[Sr4 Zn2 Br2]'
_cell_volume [291.5185]
_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  4  0.0000  0.0000  0.2358  1
  Zn  Zn1  2  0.0000  0.5000  0.0000  1
  Br  Br2  2  0.0000  0.5000  0.5000  1
]