data_[Rb2Er2Ge2S8]
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
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.4799]
_cell_length_b [6.7614]
_cell_length_c [9.1064]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.7899]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbErGeS4]
_chemical_formula_sum '[Rb2 Er2 Ge2 S8]'
_cell_volume [379.8990]
_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
[
  Rb  Rb0  2  0.2618  0.2500  0.0607  1.0
  Er  Er1  2  0.2213  0.2500  0.5484  1.0
  Ge  Ge2  2  0.2307  0.7500  0.3373  1.0
  S  S3  4  0.0041  0.5029  0.6974  1.0
  S  S4  2  0.4328  0.7500  0.1821  1.0
  S  S5  2  0.4469  0.7500  0.5772  1.0
]