data_[Nd4Er4Te14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Er  1.2400  1.7500  1.0300
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [4.3279]
_cell_length_b [15.9775]
_cell_length_c [9.8349]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Nd2Er2Te7]
_chemical_formula_sum '[Nd4 Er4 Te14]'
_cell_volume [680.0691]
_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
[
  Nd  Nd0  4  0.0000  0.2580  0.4026  1.0
  Er  Er1  2  0.0000  0.0000  0.2306  1.0
  Er  Er2  2  0.0000  0.5000  0.1760  1.0
  Te  Te3  4  0.0000  0.1389  0.7134  1.0
  Te  Te4  4  0.0000  0.1736  0.1041  1.0
  Te  Te5  4  0.0000  0.3932  0.9001  1.0
  Te  Te6  2  0.0000  0.5000  0.4993  1.0
]