data_LiCr2Ag
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.52
_cell_length_b   2.52
_cell_length_c   8.71
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   LiCr2Ag
_chemical_formula_sum   'Li1 Cr2 Ag1'
_cell_volume   55.49
_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
  Li  Li3  1  0.0  0.0  0.34  1.0
  Cr  Cr1  1  0.0  0.0  0.09  1.0
  Cr  Cr2  1  0.26  0.26  0.08  1.0
  Ag  Ag0  1  0.26  0.26  0.55  1.0

data_LiCr2Ag
_symmetry_space_group_name_H-M   Cm
_cell_length_a   3.57
_cell_length_b   3.57
_cell_length_c   8.71
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   LiCr2Ag
_chemical_formula_sum   'Li2 Cr4 Ag2'
_cell_volume   110.98
_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
  Li  Li0  2  0.0  0.0  0.34  1.0
  Cr  Cr1  2  0.0  0.0  0.09  1.0
  Cr  Cr2  2  0.26  0.0  0.08  1.0
  Ag  Ag3  2  0.26  0.0  0.55  1.0

Li Cr Cr Ag
Li Cr Cr Ag 0 3 - o o 0 3 o - o 0 3 o o o 0 0 + o o 0 0 o + o 0 2 o o o 0 1 o o o 1 2 o o o 3 3 + o o 3 3 o + o 