data_[Rb2Ni2H8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ni  1.9100  1.3500  0.7400
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [4.4606]
_cell_length_b [6.0575]
_cell_length_c [6.5243]
_cell_angle_alpha [111.9141]
_cell_angle_beta [105.7871]
_cell_angle_gamma [94.4947]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [RbNiH4]
_chemical_formula_sum '[Rb2 Ni2 H8]'
_cell_volume [154.1524]
_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  0.0874  0.6763  0.8389  1.0
  Ni  Ni1  2  0.3023  0.0915  0.5983  1.0
  H  H2  2  0.0430  0.8369  0.4783  1.0
  H  H3  2  0.2769  0.1768  0.8407  1.0
  H  H4  2  0.3949  0.0489  0.3630  1.0
  H  H5  2  0.4897  0.6578  0.2738  1.0
]