data_[Rb2Na4Sr4Br14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  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 [Imm2]
_cell_length_a [6.0786]
_cell_length_b [24.5542]
_cell_length_c [6.0812]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [RbNa2Sr2Br7]
_chemical_formula_sum '[Rb2 Na4 Sr4 Br14]'
_cell_volume [907.6582]
_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  2  0.0000  0.5000  0.8779  1.0
  Na  Na1  4  0.0000  0.2494  0.5069  1.0
  Sr  Sr2  4  0.0000  0.1220  0.0012  1.0
  Br  Br3  4  0.0000  0.1241  0.5042  1.0
  Br  Br4  4  0.0000  0.2455  0.0069  1.0
  Br  Br5  4  0.0000  0.3786  0.5144  1.0
  Br  Br6  2  0.0000  0.0000  0.0549  1.0
]