data_[Ag2Te2Se2Cl2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  Te  2.1000  1.4000  1.2933
  Se  2.5500  1.1500  1.0133
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [8.4723]
_cell_length_b [3.8226]
_cell_length_c [7.9438]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.9219]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [AgTeSeCl]
_chemical_formula_sum '[Ag2 Te2 Se2 Cl2]'
_cell_volume [240.3093]
_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
[
  Ag  Ag0  2  0.2723  0.0000  0.4889  1
  Te  Te1  2  0.1869  0.5000  0.0038  1
  Se  Se2  2  0.3726  0.0000  0.8555  1
  Cl  Cl3  2  0.0390  0.5000  0.4054  1
]