data_[U2Ni2H8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  U  1.3800  1.7500  0.9913
  Ni  1.9100  1.3500  0.7400
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [3.8803]
_cell_length_b [6.1514]
_cell_length_c [4.5904]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.8952]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [UNiH4]
_chemical_formula_sum '[U2 Ni2 H8]'
_cell_volume [109.4313]
_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
[
  U  U0  2  0.2275  0.2500  0.2968  1
  Ni  Ni1  2  0.2078  0.7500  0.2483  1
  H  H2  4  0.2616  0.5807  0.5196  1
  H  H3  2  0.2180  0.2500  0.7953  1
  H  H4  2  0.2852  0.7500  0.9158  1
]