data_K2Ag
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.23
_cell_length_b   8.23
_cell_length_c   5.98
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   42.7
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2Ag
_chemical_formula_sum   'K4 Ag2'
_cell_volume   274.9
_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  K2  1  0.62  0.55  0.49  1.0
  K  K3  1  0.72  0.45  0.48  1.0
  K  K4  1  0.72  0.55  0.49  1.0
  K  K5  1  0.62  0.45  0.48  1.0
  Ag  Ag0  1  0.67  0.62  0.49  1.0
  Ag  Ag1  1  0.67  0.38  0.48  1.0

data_K2Ag
_symmetry_space_group_name_H-M   P-1
_cell_length_a   5.98
_cell_length_b   6.0
_cell_length_c   8.23
_cell_angle_alpha   111.35
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   K2Ag
_chemical_formula_sum   'K4 Ag2'
_cell_volume   274.9
_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  0.49  0.45  0.4  1.0
  K  K1  2  0.49  0.45  0.51  1.0
  Ag  Ag2  2  0.49  0.38  0.38  1.0

K K K K Ag Ag
K K K K Ag Ag 0 1 o o o 2 4 o o o 3 5 o o o 