data_K4SnO4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.6
_cell_length_b   6.6
_cell_length_c   9.91
_cell_angle_alpha   80.24
_cell_angle_beta   71.68
_cell_angle_gamma   67.35
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K4SnO4
_chemical_formula_sum   'K8 Sn2 O8'
_cell_volume   377.97
_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
  K  K8  1  0.07  0.55  0.6  1.0
  K  K9  1  0.19  0.07  0.79  1.0
  K  K10  1  0.73  0.92  0.12  1.0
  K  K11  1  0.53  0.7  0.28  1.0
  K  K12  1  0.27  0.07  0.2  1.0
  K  K13  1  0.99  0.54  0.19  1.0
  K  K14  1  0.07  0.76  0.74  1.0
  K  K15  1  0.19  0.85  0.65  1.0
  Sn  Sn16  1  0.49  0.75  0.09  1.0
  Sn  Sn17  1  0.77  0.86  0.31  1.0
  O  O0  1  0.78  0.18  0.86  1.0
  O  O1  1  0.48  0.44  0.53  1.0
  O  O2  1  0.14  0.56  0.06  1.0
  O  O3  1  0.12  0.05  0.34  1.0
  O  O4  1  0.9  0.63  0.58  1.0
  O  O5  1  0.36  0.98  0.81  1.0
  O  O6  1  0.35  0.68  0.62  1.0
  O  O7  1  0.91  0.94  0.78  1.0

data_K4SnO4
_symmetry_space_group_name_H-M   P-1
_cell_length_a   6.6
_cell_length_b   6.6
_cell_length_c   9.91
_cell_angle_alpha   80.24
_cell_angle_beta   71.68
_cell_angle_gamma   67.35
_symmetry_Int_Tables_number   2
_chemical_formula_structural   K4SnO4
_chemical_formula_sum   'K8 Sn2 O8'
_cell_volume   377.97
_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
  K  K0  2  0.06  0.54  0.45  1.0
  K  K1  2  0.06  0.76  0.59  1.0
  K  K2  2  0.14  0.77  0.0  1.0
  K  K3  2  0.4  0.39  0.08  1.0
  Sn  Sn4  2  0.36  0.44  0.89  1.0
  O  O5  2  0.01  0.25  0.86  1.0
  O  O6  2  0.22  0.37  0.42  1.0
  O  O7  2  0.23  0.68  0.62  1.0
  O  O8  2  0.35  0.13  0.34  1.0

K K K K K K K K Sn Sn O O O O O O O O
K K K K K K K K Sn Sn O O O O O O O O 0 14 - o o 1 15 o - o 2 8 o o o 2 3 o o o 2 9 o o o 3 8 o o o 3 9 o o o 4 13 o o o 4 8 o - o 5 12 + o o 5 9 o o o 6 17 - o o 6 7 o o o 7 16 o o o 10 17 o - o 11 16 o o o 