data_Yb(GeRu)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.81
_cell_length_b   5.81
_cell_length_c   5.81
_cell_angle_alpha   136.78
_cell_angle_beta   136.78
_cell_angle_gamma   62.77
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Yb(GeRu)2
_chemical_formula_sum   'Yb1 Ge2 Ru2'
_cell_volume   90.71
_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
  Yb  Yb4  1  0.0  0.0  0.0  1.0
  Ge  Ge0  1  0.0  0.0  0.26  1.0
  Ge  Ge1  1  0.0  0.0  0.66  1.0
  Ru  Ru2  1  0.14  0.0  0.48  1.0
  Ru  Ru3  1  0.0  0.14  0.48  1.0

data_Yb(GeRu)2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.05
_cell_length_b   6.05
_cell_length_c   5.81
_cell_angle_alpha   90.0
_cell_angle_beta   121.39
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Yb(GeRu)2
_chemical_formula_sum   'Yb2 Ge4 Ru4'
_cell_volume   181.42
_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
  Yb  Yb0  2  0.0  0.0  0.0  1.0
  Ge  Ge1  2  0.0  0.0  0.26  1.0
  Ge  Ge2  2  0.0  0.0  0.66  1.0
  Ru  Ru3  4  0.43  0.43  0.34  1.0

Yb Ge Ge Ru Ru
Yb(RuGe)2 crystallizes in the monoclinic Cm space group. Yb(1) is bonded in a distorted linear geometry to two equivalent Ru(1), one Ge(1), and one Ge(2) atom. Both Yb(1)-Ru(1) bond lengths are 3.48 Å. The Yb(1)-Ge(1) bond length is 1.50 Å. The Yb(1)-Ge(2) bond length is 1.99 Å. Ru(1) is bonded in a 4-coordinate geometry to one Yb(1), one Ru(1), one Ge(1), and one Ge(2) atom. The Ru(1)-Ru(1) bond length is 0.84 Å. The Ru(1)-Ge(1) bond length is 0.89 Å. The Ru(1)-Ge(2) bond length is 1.71 Å. There are two inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 3-coordinate geometry to one Yb(1) and two equivalent Ru(1) atoms. In the second Ge site, Ge(2) is bonded in a 3-coordinate geometry to one Yb(1) and two equivalent Ru(1) atoms.