data_[Li1Gd1Se2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Gd  1.2000  1.8000  1.0750
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Pm]
_cell_length_a [5.1304]
_cell_length_b [4.0475]
_cell_length_c [17.7477]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [6]
_chemical_formula_structural [LiGdSe2]
_chemical_formula_sum '[Li1 Gd1 Se2]'
_cell_volume [368.5340]
_cell_formula_units_Z [1]
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
[
  Li  Li0  1  0.0425  0.5000  0.5647  1
  Gd  Gd1  1  0.4967  0.5000  0.4583  1
  Se  Se2  1  0.4509  0.0000  0.5659  1
  Se  Se3  1  0.9963  0.5000  0.4111  1
]