The material structure described by RuCo4 crystallizes in the trigonal R-3m space group. Ru(1) is bonded to six equivalent Ru(1) and six equivalent Co(1) atoms to form RuCo6Ru6 cuboctahedra that share corners with six equivalent Ru(1)Co6Ru6 cuboctahedra; corners with six Co(2,2)Co12 cuboctahedra; edges with six equivalent Ru(1)Co6Ru6 cuboctahedra; edges with six Co(2,2)Co12 cuboctahedra; edges with twelve equivalent Co(1)Co9Ru3 cuboctahedra; faces with six equivalent Ru(1)Co6Ru6 cuboctahedra; and faces with twelve equivalent Co(1)Co9Ru3 cuboctahedra. There are five inequivalent Co sites. In the first Co site, Co(1) is bonded to three equivalent Ru(1), three equivalent Co(2), and six equivalent Co(1) atoms to form CoCo9Ru3 cuboctahedra that share corners with three equivalent Co(2)Co12 cuboctahedra; corners with nine equivalent Co(1)Co9Ru3 cuboctahedra; edges with six equivalent Ru(1)Co6Ru6 cuboctahedra; edges with nine Co(2,2)Co12 cuboctahedra; edges with nine equivalent Co(1)Co9Ru3 cuboctahedra; faces with six equivalent Ru(1)Co6Ru6 cuboctahedra; faces with six equivalent Co(2)Co12 cuboctahedra; and faces with six equivalent Co(1)Co9Ru3 cuboctahedra. In the second Co site, Co(2) is bonded to three equivalent Co(1) and nine Co(2,2) atoms to form CoCo12 cuboctahedra that share corners with three equivalent Ru(1)Co6Ru6 cuboctahedra; corners with three equivalent Co(1)Co9Ru3 cuboctahedra; corners with six equivalent Co(2)Co12 cuboctahedra; edges with three equivalent Ru(1)Co6Ru6 cuboctahedra; edges with nine equivalent Co(1)Co9Ru3 cuboctahedra; edges with twelve Co(2,2)Co12 cuboctahedra; faces with six equivalent Co(1)Co9Ru3 cuboctahedra; and faces with twelve Co(2,2)Co12 cuboctahedra. In the third Co site, Co(2) is bonded to three equivalent Co(1) and nine Co(2,2) atoms to form CoCo12 cuboctahedra that share corners with three equivalent Ru(1)Co6Ru6 cuboctahedra; corners with three equivalent Co(1)Co9Ru3 cuboctahedra; corners with six equivalent Co(2)Co12 cuboctahedra; edges with three equivalent Ru(1)Co6Ru6 cuboctahedra; edges with nine equivalent Co(1)Co9Ru3 cuboctahedra; edges with twelve Co(2,2)Co12 cuboctahedra; faces with six equivalent Co(1)Co9Ru3 cuboctahedra; and faces with twelve Co(2,2)Co12 cuboctahedra. In the fourth Co site, Co(2) is bonded to three equivalent Co(1) and nine Co(2,2) atoms to form CoCo12 cuboctahedra that share corners with three equivalent Ru(1)Co6Ru6 cuboctahedra; corners with three equivalent Co(1)Co9Ru3 cuboctahedra; corners with six equivalent Co(2)Co12 cuboctahedra; edges with three equivalent Ru(1)Co6Ru6 cuboctahedra; edges with nine equivalent Co(1)Co9Ru3 cuboctahedra; edges with twelve Co(2,2)Co12 cuboctahedra; faces with six equivalent Co(1)Co9Ru3 cuboctahedra; and faces with twelve Co(2,2)Co12 cuboctahedra. In the fifth Co site, Co(2) is bonded to three equivalent Co(1) and nine Co(2,2) atoms to form CoCo12 cuboctahedra that share corners with three equivalent Ru(1)Co6Ru6 cuboctahedra; corners with three equivalent Co(1)Co9Ru3 cuboctahedra; corners with six equivalent Co(2)Co12 cuboctahedra; edges with three equivalent Ru(1)Co6Ru6 cuboctahedra; edges with nine equivalent Co(1)Co9Ru3 cuboctahedra; edges with twelve Co(2,2)Co12 cuboctahedra; faces with six equivalent Co(1)Co9Ru3 cuboctahedra; and faces with twelve Co(2,2)Co12 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Co4Ru
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.387
_cell_length_b   10.387
_cell_length_c   10.387
_cell_angle_alpha   14.199
_cell_angle_beta   14.199
_cell_angle_gamma   14.199
_symmetry_Int_Tables_number   1
_cell_volume   58.697
_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
  Co  Co0  1  0.597  0.597  0.597  1.0
  Co  Co1  1  0.199  0.199  0.199  1.0
  Co  Co2  1  0.801  0.801  0.801  1.0
  Co  Co3  1  0.403  0.403  0.403  1.0
  Ru  Ru4  1  0.000  0.000  0.000  1.0
[/CIF]
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The material structure described by RuCo4 crystallizes in the trigonal R-3m space group. Ru(1) is bonded to six equivalent Ru(1) and six equivalent Co(1) atoms to form RuCo6Ru6 cuboctahedra that share corners with six equivalent Ru(1)Co6Ru6 cuboctahedra; corners with six Co(2,2)Co12 cuboctahedra; edges with six equivalent Ru(1)Co6Ru6 cuboctahedra; edges with six Co(2,2)Co12 cuboctahedra; edges with twelve equivalent Co(1)Co9Ru3 cuboctahedra; faces with six equivalent Ru(1)Co6Ru6 cuboctahedra; and faces with twelve equivalent Co(1)Co9Ru3 cuboctahedra. There are five inequivalent Co sites. In the first Co site, Co(1) is bonded to three equivalent Ru(1), three equivalent Co(2), and six equivalent Co(1) atoms to form CoCo9Ru3 cuboctahedra that share corners with three equivalent Co(2)Co12 cuboctahedra; corners with nine equivalent Co(1)Co9Ru3 cuboctahedra; edges with six equivalent Ru(1)Co6Ru6 cuboctahedra; edges with nine Co(2,2)Co12 cuboctahedra; edges with nine equivalent Co(1)Co9Ru3 cuboctahedra; faces with six equivalent Ru(1)Co6Ru6 cuboctahedra; faces with six equivalent Co(2)Co12 cuboctahedra; and faces with six equivalent Co(1)Co9Ru3 cuboctahedra. In the second Co site, Co(2) is bonded to three equivalent Co(1) and nine Co(2,2) atoms to form CoCo12 cuboctahedra that share corners with three equivalent Ru(1)Co6Ru6 cuboctahedra; corners with three equivalent Co(1)Co9Ru3 cuboctahedra; corners with six equivalent Co(2)Co12 cuboctahedra; edges with three equivalent Ru(1)Co6Ru6 cuboctahedra; edges with nine equivalent Co(1)Co9Ru3 cuboctahedra; edges with twelve Co(2,2)Co12 cuboctahedra; faces with six equivalent Co(1)Co9Ru3 cuboctahedra; and faces with twelve Co(2,2)Co12 cuboctahedra. In the third Co site, Co(2) is bonded to three equivalent Co(1) and nine Co(2,2) atoms to form CoCo12 cuboctahedra that share corners with three equivalent Ru(1)Co6Ru6 cuboctahedra; corners with three equivalent Co(1)Co9Ru3 cuboctahedra; corners with six equivalent Co(2)Co12 cuboctahedra; edges with three equivalent Ru(1)Co6Ru6 cuboctahedra; edges with nine equivalent Co(1)Co9Ru3 cuboctahedra; edges with twelve Co(2,2)Co12 cuboctahedra; faces with six equivalent Co(1)Co9Ru3 cuboctahedra; and faces with twelve Co(2,2)Co12 cuboctahedra. In the fourth Co site, Co(2) is bonded to three equivalent Co(1) and nine Co(2,2) atoms to form CoCo12 cuboctahedra that share corners with three equivalent Ru(1)Co6Ru6 cuboctahedra; corners with three equivalent Co(1)Co9Ru3 cuboctahedra; corners with six equivalent Co(2)Co12 cuboctahedra; edges with three equivalent Ru(1)Co6Ru6 cuboctahedra; edges with nine equivalent Co(1)Co9Ru3 cuboctahedra; edges with twelve Co(2,2)Co12 cuboctahedra; faces with six equivalent Co(1)Co9Ru3 cuboctahedra; and faces with twelve Co(2,2)Co12 cuboctahedra. In the fifth Co site, Co(2) is bonded to three equivalent Co(1) and nine Co(2,2) atoms to form CoCo12 cuboctahedra that share corners with three equivalent Ru(1)Co6Ru6 cuboctahedra; corners with three equivalent Co(1)Co9Ru3 cuboctahedra; corners with six equivalent Co(2)Co12 cuboctahedra; edges with three equivalent Ru(1)Co6Ru6 cuboctahedra; edges with nine equivalent Co(1)Co9Ru3 cuboctahedra; edges with twelve Co(2,2)Co12 cuboctahedra; faces with six equivalent Co(1)Co9Ru3 cuboctahedra; and faces with twelve Co(2,2)Co12 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Co4Ru
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.387
_cell_length_b   10.387
_cell_length_c   10.387
_cell_angle_alpha   14.199
_cell_angle_beta   14.199
_cell_angle_gamma   14.199
_symmetry_Int_Tables_number   1
_cell_volume   58.697
_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
  Co  Co0  1  0.597  0.597  0.597  1.0
  Co  Co1  1  0.199  0.199  0.199  1.0
  Co  Co2  1  0.801  0.801  0.801  1.0
  Co  Co3  1  0.403  0.403  0.403  1.0
  Ru  Ru4  1  0.000  0.000  0.000  1.0
[/CIF]
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