data_GaFe2Br
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.21
_cell_length_b   3.21
_cell_length_c   6.34
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   GaFe2Br
_chemical_formula_sum   'Ga1 Fe2 Br1'
_cell_volume   65.31
_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
  Ga  Ga3  1  0.0  0.0  0.0  1.0
  Fe  Fe1  1  0.61  0.61  0.16  1.0
  Fe  Fe2  1  0.61  0.61  0.18  1.0
  Br  Br0  1  0.0  0.0  0.17  1.0

data_GaFe2Br
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.54
_cell_length_b   4.54
_cell_length_c   6.34
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   GaFe2Br
_chemical_formula_sum   'Ga2 Fe4 Br2'
_cell_volume   130.63
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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
  Ga  Ga0  2  0.0  0.0  0.0  1.0
  Fe  Fe1  2  0.11  0.5  0.16  1.0
  Fe  Fe2  2  0.11  0.5  0.18  1.0
  Br  Br3  2  0.0  0.0  0.17  1.0

Ga Fe Fe Br
(Fe)2GaBr is beta oxygen-derived structured and crystallizes in the monoclinic Cm space group. The structure is zero-dimensional and consists of two gallium bromine molecules and two iron molecules.