data_[Rb4As2H2F12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  As  2.1800  1.1500  0.6600
  H  2.2000  0.2500  0.0000
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [5.8215]
_cell_length_b [9.5813]
_cell_length_c [6.3475]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Rb2AsHF6]
_chemical_formula_sum '[Rb4 As2 H2 F12]'
_cell_volume [354.0468]
_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  4  0.0000  0.2772  0.4969  1
  As  As1  2  0.0000  0.5000  0.0082  1
  H  H2  2  0.0000  0.0000  0.8138  1
  F  F3  4  0.0000  0.2932  0.9809  1
  F  F4  4  0.1984  0.0000  0.8057  1
  F  F5  4  0.2275  0.5000  0.8085  1
]