data_[Gd2Si2H4O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Gd  1.2000  1.8000  1.0750
  Si  1.9000  1.1000  0.5400
  H  2.2000  0.2500  0.0000
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [4.7635]
_cell_length_b [6.6547]
_cell_length_c [5.7906]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.9847]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [GdSi(HO2)2]
_chemical_formula_sum '[Gd2 Si2 H4 O8]'
_cell_volume [174.5935]
_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
[
  Gd  Gd0  2  0.0148  0.2500  0.1577  1
  Si  Si1  2  0.2830  0.2500  0.7185  1
  H  H2  2  0.2974  0.7500  0.4725  1
  H  H3  2  0.5000  0.0000  0.0000  1
  O  O4  4  0.2460  0.0528  0.9046  1
  O  O5  2  0.0646  0.7500  0.4771  1
  O  O6  2  0.4212  0.2500  0.4850  1
]