data_[Er4Ge2Te8]
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 [C2/m]
_cell_length_a [15.8808]
_cell_length_b [4.3215]
_cell_length_c [7.5575]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.0129]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Er2GeTe4]
_chemical_formula_sum '[Er4 Ge2 Te8]'
_cell_volume [462.0801]
_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
[
  Er  Er0  4  0.2388  0.5000  0.7229  1.0
  Ge  Ge1  2  0.0000  0.0000  0.0000  1.0
  Te  Te2  4  0.1181  0.0000  0.4464  1.0
  Te  Te3  4  0.1309  0.5000  0.9750  1.0
]