data_[Rb4Gd4Fe4Se12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Gd  1.2000  1.8000  1.0750
  Fe  1.8300  1.4000  0.8525
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.1704]
_cell_length_b [15.4497]
_cell_length_c [10.9089]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [RbGdFeSe3]
_chemical_formula_sum '[Rb4 Gd4 Fe4 Se12]'
_cell_volume [702.8788]
_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  0.0000  0.2567  0.2500  1
  Gd  Gd1  4  0.0000  0.0000  0.0000  1
  Fe  Fe2  4  0.0000  0.4694  0.7500  1
  Se  Se3  8  0.0000  0.3792  0.5683  1
  Se  Se4  4  0.0000  0.0615  0.7500  1
]