data_Na2SiF6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.01
_cell_length_b   9.01
_cell_length_c   5.1
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2SiF6
_chemical_formula_sum   'Na6 Si3 F18'
_cell_volume   358.86
_cell_formula_units_Z   3
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  0.7  0.26  0.55  1.0
  Na  Na1  1  0.6  0.0  0.55  1.0
  Na  Na2  1  0.2  0.55  0.55  1.0
  Na  Na3  1  0.19  0.87  0.0  1.0
  Na  Na4  1  0.62  0.0  0.0  1.0
  Na  Na5  1  0.7  0.94  0.0  1.0
  Si  Si6  1  0.51  0.6  0.51  1.0
  Si  Si7  1  0.0  0.2  0.59  1.0
  Si  Si8  1  0.0  0.0  0.0  1.0
  F  F9  1  0.65  0.77  0.5  1.0
  F  F10  1  0.66  0.0  0.5  1.0
  F  F11  1  0.22  0.03  0.5  1.0
  F  F12  1  0.14  0.04  0.6  1.0
  F  F13  1  0.15  0.8  0.6  1.0
  F  F14  1  0.71  0.77  0.6  1.0
  F  F15  1  0.39  0.45  0.52  1.0
  F  F16  1  0.33  0.21  0.52  1.0
  F  F17  1  0.8  0.15  0.52  1.0
  F  F18  1  0.69  0.06  0.12  1.0
  F  F19  1  0.05  0.41  0.12  1.0
  F  F20  1  0.26  0.14  0.12  1.0
  F  F21  1  0.2  0.75  0.98  1.0
  F  F22  1  0.55  0.4  0.98  1.0
  F  F23  1  0.77  0.66  0.98  1.0
  F  F24  1  0.3  0.66  0.58  1.0
  F  F25  1  0.82  0.6  0.58  1.0
  F  F26  1  0.88  0.35  0.58  1.0

data_Na2SiF6
_symmetry_space_group_name_H-M   P1
_cell_length_a   5.1
_cell_length_b   9.01
_cell_length_c   9.01
_cell_angle_alpha   120.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2SiF6
_chemical_formula_sum   'Na6 Si3 F18'
_cell_volume   358.86
_cell_formula_units_Z   3
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  0.0  0.62  0.0  1.0
  Na  Na1  1  0.0  0.19  0.87  1.0
  Na  Na2  1  0.0  0.7  0.94  1.0
  Na  Na3  1  0.55  0.2  0.55  1.0
  Na  Na4  1  0.55  0.6  0.0  1.0
  Na  Na5  1  0.55  0.7  0.26  1.0
  Si  Si6  1  0.0  0.0  0.0  1.0
  Si  Si7  1  0.51  0.51  0.6  1.0
  Si  Si8  1  0.59  0.0  0.2  1.0
  F  F9  1  0.12  0.05  0.41  1.0
  F  F10  1  0.12  0.26  0.14  1.0
  F  F11  1  0.12  0.69  0.06  1.0
  F  F12  1  0.5  0.22  0.03  1.0
  F  F13  1  0.5  0.65  0.77  1.0
  F  F14  1  0.5  0.66  0.0  1.0
  F  F15  1  0.52  0.33  0.21  1.0
  F  F16  1  0.52  0.39  0.45  1.0
  F  F17  1  0.52  0.8  0.15  1.0
  F  F18  1  0.58  0.3  0.66  1.0
  F  F19  1  0.58  0.82  0.6  1.0
  F  F20  1  0.58  0.88  0.35  1.0
  F  F21  1  0.6  0.14  0.04  1.0
  F  F22  1  0.6  0.15  0.8  1.0
  F  F23  1  0.6  0.71  0.77  1.0
  F  F24  1  0.98  0.2  0.75  1.0
  F  F25  1  0.98  0.55  0.4  1.0
  F  F26  1  0.98  0.77  0.66  1.0

Na Na Na Na Na Na Si Si Si F F F F F F F F F F F F F F F F F F