data_[Eu2Er2Ag2Te6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Eu  1.2000  1.8500  1.1985
  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 [P2_1/m]
_cell_length_a [8.3947]
_cell_length_b [4.3011]
_cell_length_c [10.3443]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.4619]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [EuErAgTe3]
_chemical_formula_sum '[Eu2 Er2 Ag2 Te6]'
_cell_volume [359.9788]
_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
[
  Eu  Eu0  2  0.2739  0.7500  0.7159  1
  Er  Er1  2  0.1857  0.2500  0.1668  1
  Ag  Ag2  2  0.4157  0.7500  0.4111  1
  Te  Te3  2  0.0782  0.2500  0.8565  1
  Te  Te4  2  0.2148  0.2500  0.4677  1
  Te  Te5  2  0.4339  0.7500  0.1446  1
]