data_[Er3Te1I7]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Te  2.1000  1.4000  1.2933
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P3m1]
_cell_length_a [8.7085]
_cell_length_b [8.7085]
_cell_length_c [7.4952]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [156]
_chemical_formula_structural [Er3TeI7]
_chemical_formula_sum '[Er3 Te1 I7]'
_cell_volume [492.2702]
_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
[
  Er  Er0  3  0.3202  0.1601  0.7768  1.0
  Te  Te1  1  0.0000  0.0000  0.5435  1.0
  I  I2  3  0.1632  0.3265  0.0173  1.0
  I  I3  3  0.5038  0.0076  0.5567  1.0
  I  I4  1  0.6667  0.3333  0.0193  1.0
]