data_[Rb4Ni2Br2Cl10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ni  1.9100  1.3500  0.7400
  Br  2.9600  1.1500  0.8825
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [I4mm]
_cell_length_a [7.2284]
_cell_length_b [7.2284]
_cell_length_c [9.9299]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [Rb2NiBrCl5]
_chemical_formula_sum '[Rb4 Ni2 Br2 Cl10]'
_cell_volume [518.8311]
_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
[
  Rb  Rb0  4  0.0000  0.5000  0.2490  1
  Ni  Ni1  2  0.0000  0.0000  0.9975  1
  Br  Br2  2  0.0000  0.0000  0.2402  1
  Cl  Cl3  8  0.2201  0.2201  0.9988  1
  Cl  Cl4  2  0.0000  0.0000  0.7692  1
]