data_[K4Mg4Ag4Te8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Mg  1.3100  1.5000  0.8600
  Ag  1.9300  1.6000  1.0867
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [Cmme]
_cell_length_a [6.6176]
_cell_length_b [15.3683]
_cell_length_c [6.7563]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [67]
_chemical_formula_structural [KMgAgTe2]
_chemical_formula_sum '[K4 Mg4 Ag4 Te8]'
_cell_volume [687.1192]
_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
[
  K  K0  4  0.0000  0.2500  0.7613  1.0
  Mg  Mg1  4  0.2500  0.0000  0.5000  1.0
  Ag  Ag2  4  0.0000  0.0000  0.0000  1.0
  Te  Te3  8  0.0000  0.1183  0.2869  1.0
]