data_[Rb2Cd2Si2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Cd  1.6900  1.5500  1.0900
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [Pmma]
_cell_length_a [3.9978]
_cell_length_b [5.8446]
_cell_length_c [8.4948]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [51]
_chemical_formula_structural [RbCdSi]
_chemical_formula_sum '[Rb2 Cd2 Si2]'
_cell_volume [198.4874]
_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  0.2500  0.5000  0.2279  1.0
  Cd  Cd1  2  0.2500  0.0000  0.6183  1.0
  Si  Si2  2  0.2500  0.0000  0.9268  1.0
]