data_[Rb2Tb1Er1Te4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Tb  1.1000  1.7500  0.9815
  Er  1.2400  1.7500  1.0300
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [4.5084]
_cell_length_b [4.5084]
_cell_length_c [17.1052]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [Rb2TbErTe4]
_chemical_formula_sum '[Rb2 Tb1 Er1 Te4]'
_cell_volume [301.0990]
_cell_formula_units_Z [1]
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
[
  Rb  Rb0  2  0.3333  0.6667  0.7508  1
  Tb  Tb1  1  0.0000  0.0000  0.5000  1
  Er  Er2  1  0.0000  0.0000  0.0000  1
  Te  Te3  2  0.3333  0.6667  0.0990  1
  Te  Te4  2  0.3333  0.6667  0.3988  1
]