data_[Er4Ge4Te16]
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 [Cmcm]
_cell_length_a [10.2917]
_cell_length_b [8.0544]
_cell_length_c [10.0417]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [ErGeTe4]
_chemical_formula_sum '[Er4 Ge4 Te16]'
_cell_volume [832.3886]
_cell_formula_units_Z [4]
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  0.0000  0.3758  0.7500  1
  Ge  Ge1  4  0.0000  0.0802  0.2500  1
  Te  Te2  8  0.0000  0.3181  0.0600  1
  Te  Te3  8  0.2105  0.0990  0.7500  1
]