data_[Li2Ni4Br2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Ni  1.9100  1.3500  0.7400
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [3.1770]
_cell_length_b [3.2586]
_cell_length_c [11.9465]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [LiNi2Br]
_chemical_formula_sum '[Li2 Ni4 Br2]'
_cell_volume [123.6759]
_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
[
  Li  Li0  2  0.5000  0.0000  0.6908  1
  Ni  Ni1  2  0.0000  0.0000  0.0504  1
  Ni  Ni2  2  0.5000  0.0000  0.4742  1
  Br  Br3  2  0.0000  0.0000  0.2870  1
]