data_[Na2Hg2H2Pd2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Hg  2.0000  1.5000  1.2450
  H  2.2000  0.2500  0.0000
  Pd  2.2000  1.4000  0.8462
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [2.9724]
_cell_length_b [4.2954]
_cell_length_c [10.6964]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [NaHgHPd]
_chemical_formula_sum '[Na2 Hg2 H2 Pd2]'
_cell_volume [136.5680]
_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
[
  Na  Na0  2  0.5000  0.0000  0.2576  1.0
  Hg  Hg1  2  0.0000  0.0000  0.9496  1.0
  H  H2  2  0.0000  0.0000  0.6603  1.0
  Pd  Pd3  2  0.5000  0.0000  0.5629  1.0
]