data_[Ga4Ag4Te4Se4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ga  1.8100  1.3000  0.7600
  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 [Cc]
_cell_length_a [8.8282]
_cell_length_b [8.8329]
_cell_length_c [7.2444]
_cell_angle_alpha [90.0000]
_cell_angle_beta [126.3074]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [9]
_chemical_formula_structural [GaAgTeSe]
_chemical_formula_sum '[Ga4 Ag4 Te4 Se4]'
_cell_volume [455.2339]
_cell_formula_units_Z [4]
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
[
  Ga  Ga0  4  0.3843  0.1136  0.4998  1
  Ag  Ag1  4  0.3646  0.3669  0.0003  1
  Te  Te2  4  0.0121  0.1356  0.2500  1
  Se  Se3  4  0.4890  0.1121  0.2498  1
]