data_[Gd6Co6Se6O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Gd  1.2000  1.8000  1.0750
  Co  1.8800  1.3500  0.7683
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [4.5035]
_cell_length_b [4.5035]
_cell_length_c [32.6878]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [GdCoSeO]
_chemical_formula_sum '[Gd6 Co6 Se6 O6]'
_cell_volume [574.1452]
_cell_formula_units_Z [6]
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  6  0.0000  0.0000  0.2312  1
  Co  Co1  6  0.0000  0.0000  0.3512  1
  Se  Se2  6  0.0000  0.0000  0.1290  1
  O  O3  6  0.0000  0.0000  0.2941  1
]