data_[Ce2Mg2Ni8H8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Mg  1.3100  1.5000  0.8600
  Ni  1.9100  1.3500  0.7400
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [5.0037]
_cell_length_b [5.4309]
_cell_length_c [7.3167]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [CeMg(NiH)4]
_chemical_formula_sum '[Ce2 Mg2 Ni8 H8]'
_cell_volume [198.8278]
_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
[
  Ce  Ce0  2  0.0000  0.6982  0.4886  1.0
  Mg  Mg1  2  0.0000  0.1838  0.7107  1.0
  Ni  Ni2  4  0.2460  0.7714  0.8656  1.0
  Ni  Ni3  2  0.0000  0.0109  0.0911  1.0
  Ni  Ni4  2  0.0000  0.5505  0.1127  1.0
  H  H5  4  0.2429  0.5091  0.7434  1.0
  H  H6  2  0.0000  0.0541  0.3130  1.0
  H  H7  2  0.0000  0.2808  0.9959  1.0
]