data_[Er4Ag6Ge2Te12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Ag  1.9300  1.6000  1.0867
  Ge  2.0100  1.2500  0.7700
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [20.5712]
_cell_length_b [4.1848]
_cell_length_c [8.2058]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.8204]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Er2Ag3GeTe6]
_chemical_formula_sum '[Er4 Ag6 Ge2 Te12]'
_cell_volume [688.7999]
_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
[
  Er  Er0  4  0.1748  0.0000  0.3217  1.0
  Ag  Ag1  4  0.2098  0.0000  0.8578  1.0
  Ag  Ag2  2  0.0000  0.5000  0.5000  1.0
  Ge  Ge3  2  0.0000  0.5000  0.0000  1.0
  Te  Te4  4  0.0176  0.0000  0.2700  1.0
  Te  Te5  4  0.1478  0.5000  0.0460  1.0
  Te  Te6  4  0.1722  0.5000  0.5922  1.0
]