data_[Rb4Er4Ge8O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Er  1.2400  1.7500  1.0300
  Ge  2.0100  1.2500  0.7700
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.4172]
_cell_length_b [11.0331]
_cell_length_c [5.4097]
_cell_angle_alpha [90.0000]
_cell_angle_beta [96.1761]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [RbEr(GeO3)2]
_chemical_formula_sum '[Rb4 Er4 Ge8 O24]'
_cell_volume [618.1465]
_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
[
  Rb  Rb0  4  0.0000  0.0923  0.2500  1
  Er  Er1  4  0.0000  0.2820  0.7500  1
  Ge  Ge2  8  0.2044  0.4154  0.2668  1
  O  O3  8  0.1014  0.3149  0.1075  1
  O  O4  8  0.1338  0.1285  0.7119  1
  O  O5  8  0.1693  0.4391  0.5939  1
]