data_K3Ag4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   15.89
_cell_length_b   15.89
_cell_length_c   15.89
_cell_angle_alpha   166.04
_cell_angle_beta   166.04
_cell_angle_gamma   19.79
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K3Ag4
_chemical_formula_sum   'K3 Ag4'
_cell_volume   233.44
_cell_formula_units_Z   1
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  K4  1  0.0  0.0  0.0  1.0
  K  K5  1  0.0  0.0  0.46  1.0
  K  K6  1  0.0  0.0  0.84  1.0
  Ag  Ag0  1  0.0  0.0  0.02  1.0
  Ag  Ag1  1  0.0  0.0  0.28  1.0
  Ag  Ag2  1  0.0  0.0  0.22  1.0
  Ag  Ag3  1  0.0  0.0  0.08  1.0

data_K3Ag4
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.46
_cell_length_b   5.46
_cell_length_c   15.89
_cell_angle_alpha   90.0
_cell_angle_beta   99.9
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   K3Ag4
_chemical_formula_sum   'K6 Ag8'
_cell_volume   466.87
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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  0.0  0.0  0.0  1.0
  K  K1  2  0.0  0.0  0.16  1.0
  K  K2  2  0.0  0.0  0.54  1.0
  Ag  Ag3  2  0.0  0.0  0.72  1.0
  Ag  Ag4  2  0.0  0.0  0.78  1.0
  Ag  Ag5  2  0.0  0.0  0.92  1.0
  Ag  Ag6  2  0.0  0.0  0.98  1.0

K K K Ag Ag Ag Ag