data_[K2Rb4Mg2Br10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Rb  0.8200  2.3500  1.6600
  Mg  1.3100  1.5000  0.8600
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [5.2654]
_cell_length_b [7.8134]
_cell_length_c [16.2701]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [KRb2MgBr5]
_chemical_formula_sum '[K2 Rb4 Mg2 Br10]'
_cell_volume [669.3639]
_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  0.0000  0.2072  1.0
  K  K1  2  0.0000  0.5000  0.0000  1.0
  Mg  Mg2  2  0.0000  0.5000  0.5000  1.0
  Br  Br3  8  0.0000  0.2533  0.3814  1.0
  Br  Br4  2  0.0000  0.0000  0.0000  1.0
]