data_[K2Er6Ag4Te12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Er  1.2400  1.7500  1.0300
  Ag  1.9300  1.6000  1.0867
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.7530]
_cell_length_b [4.4597]
_cell_length_c [9.7249]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.2853]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [KEr3(AgTe3)2]
_chemical_formula_sum '[K2 Er6 Ag4 Te12]'
_cell_volume [780.6787]
_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
[
  K  K0  2  0.0000  0.5000  0.0000  1
  Er  Er1  4  0.1589  0.0000  0.8172  1
  Er  Er2  2  0.0000  0.5000  0.5000  1
  Ag  Ag3  4  0.1599  0.0000  0.2300  1
  Te  Te4  4  0.0138  0.0000  0.2876  1
  Te  Te5  4  0.1703  0.5000  0.6123  1
  Te  Te6  4  0.1746  0.5000  0.0541  1
]