data_[Na2Cu2H6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Cu  1.9000  1.3500  0.8200
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [P1]
_cell_length_a [3.1842]
_cell_length_b [5.8990]
_cell_length_c [7.1312]
_cell_angle_alpha [67.1514]
_cell_angle_beta [77.6839]
_cell_angle_gamma [74.3695]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [NaCuH3]
_chemical_formula_sum '[Na2 Cu2 H6]'
_cell_volume [117.9808]
_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  1  0.0977  0.6827  0.3143  1
  Na  Na1  1  0.1002  0.1799  0.8129  1
  Cu  Cu2  1  0.4247  0.1462  0.1928  1
  Cu  Cu3  1  0.7723  0.2200  0.4325  1
  H  H4  1  0.0011  0.6421  0.8604  1
  H  H5  1  0.0396  0.7283  0.7498  1
  H  H6  1  0.3438  0.0542  0.4585  1
  H  H7  1  0.5778  0.9664  0.0610  1
  H  H8  1  0.6195  0.3977  0.5659  1
  H  H9  1  0.8534  0.3112  0.1669  1
]