data_Na2AlH4ClO4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.59
_cell_length_b   7.59
_cell_length_c   5.1
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2AlH4ClO4
_chemical_formula_sum   'Na4 Al2 H8 Cl2 O8'
_cell_volume   294.23
_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  0.9  0.9  0.55  1.0
  Na  Na1  1  0.7  0.7  0.55  1.0
  Na  Na2  1  0.9  0.7  0.55  1.0
  Na  Na3  1  0.7  0.9  0.55  1.0
  Al  Al4  1  0.8  0.8  0.0  1.0
  Al  Al5  1  0.0  0.0  0.0  1.0
  H  H6  1  0.6  0.8  0.56  1.0
  H  H7  1  1.0  0.8  0.56  1.0
  H  H8  1  0.39  0.0  0.55  1.0
  H  H9  1  0.2  0.0  0.55  1.0
  H  H10  1  0.8  1.0  0.55  1.0
  H  H11  1  0.8  0.6  0.55  1.0
  H  H12  1  0.0  0.2  0.56  1.0
  H  H13  1  0.0  0.39  0.56  1.0
  Cl  Cl14  1  0.0  0.8  0.98  1.0
  Cl  Cl15  1  0.8  0.0  0.13  1.0
  O  O16  1  0.4  0.8  0.11  1.0
  O  O17  1  0.19  0.8  0.11  1.0
  O  O18  1  0.2  0.0  0.99  1.0
  O  O19  1  0.4  0.0  0.99  1.0
  O  O20  1  0.8  0.19  0.99  1.0
  O  O21  1  0.8  0.4  0.99  1.0
  O  O22  1  0.0  0.4  0.11  1.0
  O  O23  1  0.0  0.2  0.11  1.0

data_Na2AlH4ClO4
_symmetry_space_group_name_H-M   P1
_cell_length_a   5.1
_cell_length_b   7.59
_cell_length_c   7.59
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2AlH4ClO4
_chemical_formula_sum   'Na4 Al2 H8 Cl2 O8'
_cell_volume   294.23
_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  0.55  0.7  0.7  1.0
  Na  Na1  1  0.55  0.7  0.9  1.0
  Na  Na2  1  0.55  0.9  0.7  1.0
  Na  Na3  1  0.55  0.9  0.9  1.0
  Al  Al4  1  0.0  0.0  0.0  1.0
  Al  Al5  1  0.0  0.8  0.8  1.0
  H  H6  1  0.55  0.2  0.0  1.0
  H  H7  1  0.55  0.39  0.0  1.0
  H  H8  1  0.55  0.8  0.6  1.0
  H  H9  1  0.55  0.8  1.0  1.0
  H  H10  1  0.56  0.0  0.2  1.0
  H  H11  1  0.56  0.0  0.39  1.0
  H  H12  1  0.56  0.6  0.8  1.0
  H  H13  1  0.56  1.0  0.8  1.0
  Cl  Cl14  1  0.13  0.8  0.0  1.0
  Cl  Cl15  1  0.98  0.0  0.8  1.0
  O  O16  1  0.11  0.0  0.2  1.0
  O  O17  1  0.11  0.0  0.4  1.0
  O  O18  1  0.11  0.19  0.8  1.0
  O  O19  1  0.11  0.4  0.8  1.0
  O  O20  1  0.99  0.2  0.0  1.0
  O  O21  1  0.99  0.4  0.0  1.0
  O  O22  1  0.99  0.8  0.19  1.0
  O  O23  1  0.99  0.8  0.4  1.0

Na Na Na Na Al Al H H H H H H H H Cl Cl O O O O O O O O
Na Na Na Na Al Al H H H H H H H H Cl Cl O O O O O O O O 0 10 o o o 0 7 o o o 1 6 o o o 1 11 o o o 2 11 o o o 2 7 o o o 3 6 o o o 3 10 o o o 4 14 + o - 4 15 o + o 5 15 - o o 5 14 o - - 5 18 o o - 5 23 o o o 8 9 o o o 12 13 o o o 14 17 o o + 15 20 o o - 16 19 o + - 16 17 o o o 17 18 o + - 18 19 o o o 20 23 + o + 20 21 o o o 21 22 + o + 22 23 o o o 