data_DyCu2Ru
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.47
_cell_length_b   4.47
_cell_length_c   4.47
_cell_angle_alpha   60.0
_cell_angle_beta   60.0
_cell_angle_gamma   60.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   DyCu2Ru
_chemical_formula_sum   'Dy1 Cu2 Ru1'
_cell_volume   63.08
_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
  Dy  Dy2  1  0.16  0.16  0.16  1.0
  Cu  Cu0  1  0.74  0.74  0.74  1.0
  Cu  Cu1  1  0.58  0.58  0.58  1.0
  Ru  Ru3  1  0.0  0.0  0.0  1.0

data_DyCu2Ru
_symmetry_space_group_name_H-M   R3m
_cell_length_a   4.47
_cell_length_b   4.47
_cell_length_c   10.94
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   160
_chemical_formula_structural   DyCu2Ru
_chemical_formula_sum   'Dy3 Cu6 Ru3'
_cell_volume   189.23
_cell_formula_units_Z   3
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-y, x-y, z'
  3  '-x+y, -x, z'
  4  '-y, -x, z'
  5  '-x+y, y, z'
  6  'x, x-y, z'
  7  'x+1/3, y+2/3, z+2/3'
  8  '-y+1/3, x-y+2/3, z+2/3'
  9  '-x+y+1/3, -x+2/3, z+2/3'
  10  '-y+1/3, -x+2/3, z+2/3'
  11  '-x+y+1/3, y+2/3, z+2/3'
  12  'x+1/3, x-y+2/3, z+2/3'
  13  'x+2/3, y+1/3, z+1/3'
  14  '-y+2/3, x-y+1/3, z+1/3'
  15  '-x+y+2/3, -x+1/3, z+1/3'
  16  '-y+2/3, -x+1/3, z+1/3'
  17  '-x+y+2/3, y+1/3, z+1/3'
  18  'x+2/3, x-y+1/3, z+1/3'
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
  Dy  Dy0  3  0.0  0.0  0.84  1.0
  Cu  Cu1  3  0.0  0.0  0.26  1.0
  Cu  Cu2  3  0.0  0.0  0.42  1.0
  Ru  Ru3  3  0.0  0.0  0.0  1.0

Dy Cu Cu Ru
Dy Cu Cu Ru 0 3 o o o 1 2 o o o 
DyRuCu2 crystallizes in the trigonal R3m space group. Dy(1) is bonded in a distorted single-bond geometry to one Ru(1), three equivalent Cu(1), and three equivalent Cu(2) atoms. The Dy(1)-Ru(1) bond length is 1.75 Å. All Dy(1)-Cu(1) bond lengths are 2.75 Å. All Dy(1)-Cu(2) bond lengths are 2.75 Å. Ru(1) is bonded in a single-bond geometry to one Dy(1), three equivalent Cu(2), and four equivalent Cu(1) atoms. All Ru(1)-Cu(2) bond lengths are 2.75 Å. There are three shorter (2.70 Å) and one longer (2.85 Å) Ru(1)-Cu(1) bond length. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a 8-coordinate geometry to three equivalent Dy(1), four equivalent Ru(1), and one Cu(2) atom. The Cu(1)-Cu(2) bond length is 1.75 Å. In the second Cu site, Cu(2) is bonded in a 7-coordinate geometry to three equivalent Dy(1), three equivalent Ru(1), and one Cu(1) atom.