data_[Er6Ge3Te3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Ge  2.0100  1.2500  0.7700
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [4.1972]
_cell_length_b [4.1972]
_cell_length_c [21.6129]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [Er2GeTe]
_chemical_formula_sum '[Er6 Ge3 Te3]'
_cell_volume [329.7393]
_cell_formula_units_Z [3]
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  0.0000  0.0000  0.0711  1.0
  Er  Er1  3  0.0000  0.0000  0.2621  1.0
  Ge  Ge2  3  0.0000  0.0000  0.6682  1.0
  Te  Te3  3  0.0000  0.0000  0.4987  1.0
]