data_LaReRu2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.75
_cell_length_b   4.75
_cell_length_c   4.75
_cell_angle_alpha   123.81
_cell_angle_beta   123.81
_cell_angle_gamma   83.53
_symmetry_Int_Tables_number   1
_chemical_formula_structural   LaReRu2
_chemical_formula_sum   'La1 Re1 Ru2'
_cell_volume   70.83
_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
  La  La0  1  0.0  0.0  0.0  1.0
  Re  Re1  1  0.0  0.0  0.54  1.0
  Ru  Ru2  1  0.0  0.24  0.77  1.0
  Ru  Ru3  1  0.24  0.0  0.77  1.0

data_LaReRu2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.32
_cell_length_b   6.32
_cell_length_c   4.75
_cell_angle_alpha   90.0
_cell_angle_beta   131.76
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   LaReRu2
_chemical_formula_sum   'La2 Re2 Ru4'
_cell_volume   141.66
_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
  La  La0  2  0.0  0.0  0.0  1.0
  Re  Re1  2  0.46  0.0  0.46  1.0
  Ru  Ru2  4  0.35  0.12  0.47  1.0

La Re Ru Ru
LaReRu2 crystallizes in the monoclinic Cm space group. La(1) is bonded in a 5-coordinate geometry to one Re(1) and four equivalent Ru(1) atoms. The La(1)-Re(1) bond length is 2.57 Å. There are two shorter (1.95 Å) and two longer (3.15 Å) La(1)-Ru(1) bond lengths. Re(1) is bonded in a distorted L-shaped geometry to one La(1) and two equivalent Ru(1) atoms. Both Re(1)-Ru(1) bond lengths are 1.04 Å. Ru(1) is bonded in a 1-coordinate geometry to two equivalent La(1) and one Re(1) atom.