data_[Rb4Nd2Ag4Br12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Nd  1.1400  1.8500  1.2765
  Ag  1.9300  1.6000  1.0867
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.4813]
_cell_length_b [8.4235]
_cell_length_c [8.8865]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.7687]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Nd(AgBr3)2]
_chemical_formula_sum '[Rb4 Nd2 Ag4 Br12]'
_cell_volume [875.9752]
_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  0.2157  0.5000  0.1591  1
  Nd  Nd1  2  0.0000  0.5000  0.5000  1
  Ag  Ag2  4  0.0492  0.0000  0.1763  1
  Br  Br3  8  0.0660  0.2653  0.7762  1
  Br  Br4  4  0.2307  0.5000  0.5556  1
]