data_[Rb4Ca2Sn2Br12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ca  1.0000  1.8000  1.1400
  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 [7.9500]
_cell_length_b [8.2747]
_cell_length_c [13.9239]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.8765]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Rb2CaSnBr6]
_chemical_formula_sum '[Rb4 Ca2 Sn2 Br12]'
_cell_volume [751.4497]
_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  0.2280  0.5676  0.7499  1.0
  Ca  Ca1  2  0.0000  0.0000  0.5000  1.0
  Sn  Sn2  2  0.5000  0.0000  0.0000  1.0
  Br  Br3  4  0.1477  0.7065  0.4521  1.0
  Br  Br4  4  0.2498  0.1992  0.4528  1.0
  Br  Br5  4  0.3397  0.5221  0.2463  1.0
]