data_[Rb2As4Br14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  As  2.1800  1.1500  0.6600
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [8.7303]
_cell_length_b [19.5789]
_cell_length_c [4.3516]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [RbAs2Br7]
_chemical_formula_sum '[Rb2 As4 Br14]'
_cell_volume [743.8182]
_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  0.0000  0.0000  1
  As  As1  4  0.0000  0.3648  0.5000  1
  Br  Br2  8  0.2033  0.1279  0.5000  1
  Br  Br3  4  0.0000  0.2868  0.0000  1
  Br  Br4  2  0.0000  0.5000  0.5000  1
]