data_Na3SnAsCO7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.35
_cell_length_b   7.45
_cell_length_c   9.6
_cell_angle_alpha   90.0
_cell_angle_beta   91.41
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na3SnAsCO7
_chemical_formula_sum   'Na6 Sn2 As2 C2 O14'
_cell_volume   382.37
_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  0.02  0.86  0.83  1.0
  Na  Na1  1  0.86  0.06  0.19  1.0
  Na  Na2  1  0.86  0.67  0.19  1.0
  Na  Na3  1  0.25  0.79  0.41  1.0
  Na  Na4  1  0.25  0.39  0.41  1.0
  Na  Na5  1  0.09  0.59  0.76  1.0
  Sn  Sn6  1  0.09  0.59  0.17  1.0
  Sn  Sn7  1  0.02  0.86  0.42  1.0
  As  As8  1  0.42  0.86  0.76  1.0
  As  As9  1  0.7  0.59  0.83  1.0
  C  C10  1  0.22  0.59  0.12  1.0
  C  C11  1  0.89  0.86  0.47  1.0
  O  O12  1  0.66  0.86  0.78  1.0
  O  O13  1  0.08  0.59  0.46  1.0
  O  O14  1  0.35  0.59  0.47  1.0
  O  O15  1  0.83  0.5  0.66  1.0
  O  O16  1  0.83  0.22  0.66  1.0
  O  O17  1  0.14  0.86  0.81  1.0
  O  O18  1  0.17  0.59  0.51  1.0
  O  O19  1  0.94  0.86  0.08  1.0
  O  O20  1  0.98  0.59  0.79  1.0
  O  O21  1  0.28  0.23  0.93  1.0
  O  O22  1  0.28  0.95  0.93  1.0
  O  O23  1  0.76  0.86  0.13  1.0
  O  O24  1  0.03  0.86  0.13  1.0
  O  O25  1  0.45  0.59  0.82  1.0

data_Na3SnAsCO7
_symmetry_space_group_name_H-M   P-1
_cell_length_a   5.35
_cell_length_b   7.45
_cell_length_c   9.6
_cell_angle_alpha   90.0
_cell_angle_beta   91.41
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   Na3SnAsCO7
_chemical_formula_sum   'Na6 Sn2 As2 C2 O14'
_cell_volume   382.37
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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  0.03  0.36  0.46  1.0
  Na  Na1  2  0.2  0.17  0.11  1.0
  Na  Na2  2  0.2  0.56  0.11  1.0
  Sn  Sn3  2  0.04  0.36  0.87  1.0
  As  As4  2  0.36  0.64  0.47  1.0
  C  C5  2  0.16  0.36  0.82  1.0
  O  O6  2  0.02  0.36  0.17  1.0
  O  O7  2  0.08  0.64  0.51  1.0
  O  O8  2  0.11  0.36  0.22  1.0
  O  O9  2  0.22  0.0  0.63  1.0
  O  O10  2  0.22  0.72  0.63  1.0
  O  O11  2  0.29  0.36  0.17  1.0
  O  O12  2  0.39  0.36  0.52  1.0

Na Na Na Na Na Na Sn Sn As As C C O O O O O O O O O O O O O O