data_[Gd4Ag4Te2Se6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Gd  1.2000  1.8000  1.0750
  Ag  1.9300  1.6000  1.0867
  Te  2.1000  1.4000  1.2933
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [9.9596]
_cell_length_b [9.5521]
_cell_length_c [4.4386]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.0854]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [Gd2Ag2TeSe3]
_chemical_formula_sum '[Gd4 Ag4 Te2 Se6]'
_cell_volume [422.1905]
_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  0.0136  0.5000  0.1988  1
  Gd  Gd1  2  0.4902  0.5000  0.7954  1
  Ag  Ag2  4  0.2489  0.2485  0.0167  1
  Te  Te3  2  0.2947  0.0000  0.6953  1
  Se  Se4  4  0.0002  0.2010  0.2768  1
  Se  Se5  2  0.2033  0.5000  0.7236  1
]