data_TlCdRu2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.29
_cell_length_b   3.29
_cell_length_c   6.45
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   TlCdRu2
_chemical_formula_sum   'Tl1 Cd1 Ru2'
_cell_volume   69.78
_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
  Tl  Tl3  1  0.0  0.0  0.22  1.0
  Cd  Cd0  1  0.0  0.0  0.0  1.0
  Ru  Ru1  1  0.64  0.64  0.62  1.0
  Ru  Ru2  1  0.64  0.64  0.83  1.0

data_TlCdRu2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.65
_cell_length_b   4.65
_cell_length_c   6.45
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   TlCdRu2
_chemical_formula_sum   'Tl2 Cd2 Ru4'
_cell_volume   139.56
_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
  Tl  Tl0  2  0.0  0.0  0.22  1.0
  Cd  Cd1  2  0.0  0.0  0.0  1.0
  Ru  Ru2  2  0.14  0.5  0.62  1.0
  Ru  Ru3  2  0.14  0.5  0.83  1.0

Tl Cd Ru Ru
Tl Cd Ru Ru 0 1 o o o 2 3 o o o 
Ru2CdTl crystallizes in the monoclinic Cm space group. There are two inequivalent Ru sites. In the first Ru site, Ru(1) is bonded in a 2-coordinate geometry to one Ru(2) and one Tl(1) atom. The Ru(1)-Ru(2) bond length is 1.33 Å. The Ru(1)-Tl(1) bond length is 3.04 Å. In the second Ru site, Ru(2) is bonded in a 4-coordinate geometry to one Ru(1) and three equivalent Cd(1) atoms. There is one shorter (1.99 Å) and two longer (2.67 Å) Ru(2)-Cd(1) bond lengths. Cd(1) is bonded in a 2-coordinate geometry to three equivalent Ru(2) and one Tl(1) atom. The Cd(1)-Tl(1) bond length is 1.44 Å. Tl(1) is bonded in a distorted single-bond geometry to one Ru(1) and one Cd(1) atom.