data_[Rb1Nb1Ag2Cl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Nb  1.6000  1.4500  0.8200
  Ag  1.9300  1.6000  1.0867
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [6.3058]
_cell_length_b [7.5014]
_cell_length_c [9.2287]
_cell_angle_alpha [68.6433]
_cell_angle_beta [83.2953]
_cell_angle_gamma [86.3297]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [RbNb(AgCl4)2]
_chemical_formula_sum '[Rb1 Nb1 Ag2 Cl8]'
_cell_volume [403.6715]
_cell_formula_units_Z [1]
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  1  0.0000  0.5000  0.5000  1.0
  Nb  Nb1  1  0.0000  0.0000  0.0000  1.0
  Ag  Ag2  2  0.4942  0.0357  0.3228  1.0
  Cl  Cl3  2  0.0925  0.9865  0.2507  1.0
  Cl  Cl4  2  0.1657  0.2996  0.8774  1.0
  Cl  Cl5  2  0.3285  0.8358  0.9614  1.0
  Cl  Cl6  2  0.4791  0.2869  0.4528  1.0
]