data_[Sr2Br3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P4mm]
_cell_length_a [5.4982]
_cell_length_b [5.4982]
_cell_length_c [18.4732]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [99]
_chemical_formula_structural [Sr2Br3]
_chemical_formula_sum '[Sr2 Br3]'
_cell_volume [558.4533]
_cell_formula_units_Z [1]
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  0.5168  1
  Br  Br1  1  0.0000  0.0000  0.4351  1
  Br  Br2  1  0.5000  0.5000  0.4225  1
  Br  Br3  1  0.5000  0.5000  0.6105  1
]