data_[Tb4Er2Ag6S12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Er  1.2400  1.7500  1.0300
  Ag  1.9300  1.6000  1.0867
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.5189]
_cell_length_b [4.0517]
_cell_length_c [9.5832]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.7104]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb2Er(AgS2)3]
_chemical_formula_sum '[Tb4 Er2 Ag6 S12]'
_cell_volume [580.0561]
_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
[
  Tb  Tb0  4  0.1623  0.0000  0.3191  1.0
  Er  Er1  2  0.0000  0.5000  0.0000  1.0
  Ag  Ag2  4  0.1553  0.0000  0.7313  1.0
  Ag  Ag3  2  0.0000  0.5000  0.5000  1.0
  S  S4  4  0.0162  0.0000  0.8156  1.0
  S  S5  4  0.1575  0.5000  0.5256  1.0
  S  S6  4  0.1779  0.5000  0.1396  1.0
]