data_[Rb4Ni4Ag4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ni  1.9100  1.3500  0.7400
  Ag  1.9300  1.6000  1.0867
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [12.6051]
_cell_length_b [3.0095]
_cell_length_c [9.4088]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [RbNiAgO3]
_chemical_formula_sum '[Rb4 Ni4 Ag4 O12]'
_cell_volume [356.9244]
_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
[
  Rb  Rb0  4  0.2480  0.7500  0.6381  1
  Ni  Ni1  4  0.0223  0.7500  0.8737  1
  Ag  Ag2  4  0.0405  0.7500  0.3695  1
  O  O3  4  0.0681  0.7500  0.0763  1
  O  O4  4  0.0945  0.2500  0.7885  1
  O  O5  4  0.1430  0.2500  0.4266  1
]