data_Li2ZnRu
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.86
_cell_length_b   4.86
_cell_length_c   4.86
_cell_angle_alpha   136.2
_cell_angle_beta   136.2
_cell_angle_gamma   63.67
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Li2ZnRu
_chemical_formula_sum   'Li2 Zn1 Ru1'
_cell_volume   54.36
_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  Li0  1  0.81  0.0  0.07  1.0
  Li  Li1  1  0.0  0.81  0.07  1.0
  Zn  Zn3  1  0.0  0.0  0.0  1.0
  Ru  Ru2  1  0.0  0.0  0.13  1.0

data_Li2ZnRu
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.13
_cell_length_b   5.13
_cell_length_c   4.86
_cell_angle_alpha   90.0
_cell_angle_beta   121.83
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Li2ZnRu
_chemical_formula_sum   'Li4 Zn2 Ru2'
_cell_volume   108.71
_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  4  0.34  0.41  0.75  1.0
  Zn  Zn1  2  0.0  0.0  0.0  1.0
  Ru  Ru2  2  0.37  0.5  0.87  1.0

Li Li Zn Ru
Li Li Zn Ru 0 3 + o o 1 3 o + o 2 3 o o o 