data_[Rb4Mg2Sn2Br12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Mg  1.3100  1.5000  0.8600
  Sn  1.9600  1.4500  0.8300
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.8069]
_cell_length_b [7.9965]
_cell_length_c [13.6135]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.8492]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Rb2MgSnBr6]
_chemical_formula_sum '[Rb4 Mg2 Sn2 Br12]'
_cell_volume [697.4425]
_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  0.2673  0.0580  0.2512  1.0
  Mg  Mg1  2  0.5000  0.0000  0.0000  1.0
  Sn  Sn2  2  0.0000  0.0000  0.5000  1.0
  Br  Br3  4  0.1893  0.0100  0.7627  1.0
  Br  Br4  4  0.2548  0.6944  0.5372  1.0
  Br  Br5  4  0.3452  0.2186  0.5375  1.0
]