data_[Rb4Al2H12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Al  1.6100  1.2500  0.6750
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [P6_3mc]
_cell_length_a [5.7614]
_cell_length_b [5.7614]
_cell_length_c [9.6165]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [186]
_chemical_formula_structural [Rb2AlH6]
_chemical_formula_sum '[Rb4 Al2 H12]'
_cell_volume [276.4365]
_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  0.0000  0.0000  0.1062  1
  Rb  Rb1  2  0.3333  0.6667  0.8785  1
  Al  Al2  2  0.3333  0.6667  0.2561  1
  H  H3  6  0.0505  0.5252  0.1484  1
  H  H4  6  0.1867  0.3733  0.3547  1
]