data_[Mn2Fe4Br2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mn  1.5500  1.4000  0.6483
  Fe  1.8300  1.4000  0.8525
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [3.0667]
_cell_length_b [4.1554]
_cell_length_c [11.2296]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [MnFe2Br]
_chemical_formula_sum '[Mn2 Fe4 Br2]'
_cell_volume [143.1032]
_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
[
  Mn  Mn0  2  0.0000  0.0000  0.4633  1
  Fe  Fe1  2  0.0000  0.0000  0.0054  1
  Fe  Fe2  2  0.0000  0.5000  0.3395  1
  Br  Br3  2  0.0000  0.5000  0.6918  1
]