data_[K8Na4Sr4Br20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Na  0.9300  1.8000  1.1600
  Sr  0.9500  2.0000  1.3200
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [4.6098]
_cell_length_b [19.1205]
_cell_length_c [15.0312]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [K2NaSrBr5]
_chemical_formula_sum '[K8 Na4 Sr4 Br20]'
_cell_volume [1324.8683]
_cell_formula_units_Z [4]
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
[
  K  K0  4  0.0000  0.0850  0.6615  1.0
  K  K1  4  0.0000  0.1294  0.3018  1.0
  Na  Na2  4  0.0000  0.4581  0.4493  1.0
  Sr  Sr3  4  0.0000  0.2253  0.0269  1.0
  Br  Br4  4  0.0000  0.0688  0.0564  1.0
  Br  Br5  4  0.0000  0.2632  0.6669  1.0
  Br  Br6  4  0.0000  0.2976  0.3944  1.0
  Br  Br7  4  0.0000  0.3821  0.9954  1.0
  Br  Br8  4  0.0000  0.4964  0.7714  1.0
]