data_[Er3Fe6Ge3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Fe  1.8300  1.4000  0.8525
  Ge  2.0100  1.2500  0.7700
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.1325]
_cell_length_b [5.1325]
_cell_length_c [14.2542]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [ErFe2GeO6]
_chemical_formula_sum '[Er3 Fe6 Ge3 O18]'
_cell_volume [325.1808]
_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  0.8036  1
  Fe  Fe1  3  0.0000  0.0000  0.0070  1
  Fe  Fe2  3  0.0000  0.0000  0.5201  1
  Ge  Ge3  3  0.0000  0.0000  0.3198  1
  O  O4  9  0.0091  0.3616  0.5903  1
  O  O5  9  0.0671  0.7132  0.0764  1
]