data_[Rb16Ge8B8Se32]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ge  2.0100  1.2500  0.7700
  B  2.0400  0.8500  0.4100
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Fddd]
_cell_length_a [6.1188]
_cell_length_b [14.1999]
_cell_length_c [23.9941]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [70]
_chemical_formula_structural [Rb2GeBSe4]
_chemical_formula_sum '[Rb16 Ge8 B8 Se32]'
_cell_volume [2084.7685]
_cell_formula_units_Z [8]
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  16  0.0000  0.0000  0.1812  1
  Ge  Ge1  8  0.0000  0.0000  0.5000  1
  B  B2  8  0.0000  0.0000  0.0000  1
  Se  Se3  32  0.0511  0.1641  0.3005  1
]