The material structure described by Pt2CoNi crystallizes in the trigonal R3m space group. Co(1) is bonded to six equivalent Co(1), three equivalent Pt(2), and three equivalent Ni(1) atoms to form distorted CoCo6Ni3Pt3 cuboctahedra that share corners with six equivalent Co(1)Co6Ni3Pt3 cuboctahedra, corners with six equivalent Pt(2)Co3Pt3 cuboctahedra, corners with six equivalent Pt(1)Ni3Pt9 cuboctahedra, edges with six equivalent Co(1)Co6Ni3Pt3 cuboctahedra, edges with six equivalent Pt(2)Co3Pt3 cuboctahedra, edges with six equivalent Pt(1)Ni3Pt9 cuboctahedra, edges with six equivalent Ni(1)Co3Ni6Pt3 cuboctahedra, faces with six equivalent Co(1)Co6Ni3Pt3 cuboctahedra, and faces with six equivalent Ni(1)Co3Ni6Pt3 cuboctahedra. There are two inequivalent Pt sites. In the first Pt site, Pt(1) is bonded to three equivalent Pt(2), six equivalent Pt(1), and three equivalent Ni(1) atoms to form distorted PtNi3Pt9 cuboctahedra that share corners with six equivalent Co(1)Co6Ni3Pt3 cuboctahedra, corners with six equivalent Pt(2)Co3Pt3 cuboctahedra, corners with six equivalent Pt(1)Ni3Pt9 cuboctahedra, edges with six equivalent Co(1)Co6Ni3Pt3 cuboctahedra, edges with six equivalent Pt(2)Co3Pt3 cuboctahedra, edges with six equivalent Pt(1)Ni3Pt9 cuboctahedra, edges with six equivalent Ni(1)Co3Ni6Pt3 cuboctahedra, faces with six equivalent Pt(1)Ni3Pt9 cuboctahedra, and faces with six equivalent Ni(1)Co3Ni6Pt3 cuboctahedra. In the second Pt site, Pt(2) is bonded to three equivalent Co(1) and three equivalent Pt(1) atoms to form distorted PtCo3Pt3 cuboctahedra that share corners with six equivalent Co(1)Co6Ni3Pt3 cuboctahedra, corners with six equivalent Pt(1)Ni3Pt9 cuboctahedra, corners with six equivalent Ni(1)Co3Ni6Pt3 cuboctahedra, edges with six equivalent Co(1)Co6Ni3Pt3 cuboctahedra, edges with six equivalent Pt(2)Co3Pt3 cuboctahedra, edges with six equivalent Pt(1)Ni3Pt9 cuboctahedra, and edges with six equivalent Ni(1)Co3Ni6Pt3 cuboctahedra. Ni(1) is bonded to three equivalent Co(1), three equivalent Pt(1), and six equivalent Ni(1) atoms to form distorted NiCo3Ni6Pt3 cuboctahedra that share corners with six equivalent Pt(2)Co3Pt3 cuboctahedra, corners with six equivalent Ni(1)Co3Ni6Pt3 cuboctahedra, edges with six equivalent Co(1)Co6Ni3Pt3 cuboctahedra, edges with six equivalent Pt(2)Co3Pt3 cuboctahedra, edges with six equivalent Pt(1)Ni3Pt9 cuboctahedra, edges with six equivalent Ni(1)Co3Ni6Pt3 cuboctahedra, faces with six equivalent Co(1)Co6Ni3Pt3 cuboctahedra, faces with six equivalent Pt(1)Ni3Pt9 cuboctahedra, and faces with six equivalent Ni(1)Co3Ni6Pt3 cuboctahedra. is represented by the CIF file [CIF]
data_CoNiPt2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.815
_cell_length_b   8.815
_cell_length_c   8.815
_cell_angle_alpha   17.758
_cell_angle_beta   17.758
_cell_angle_gamma   17.758
_symmetry_Int_Tables_number   1
_cell_volume   55.625
_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  0.005  0.005  0.005  1.0
  Ni  Ni1  1  0.744  0.744  0.744  1.0
  Pt  Pt2  1  0.494  0.494  0.494  1.0
  Pt  Pt3  1  0.256  0.256  0.256  1.0
[/CIF]
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The material structure described by Pt2CoNi crystallizes in the trigonal R3m space group. Co(1) is bonded to six equivalent Co(1), three equivalent Pt(2), and three equivalent Ni(1) atoms to form distorted CoCo6Ni3Pt3 cuboctahedra that share corners with six equivalent Co(1)Co6Ni3Pt3 cuboctahedra, corners with six equivalent Pt(2)Co3Pt3 cuboctahedra, corners with six equivalent Pt(1)Ni3Pt9 cuboctahedra, edges with six equivalent Co(1)Co6Ni3Pt3 cuboctahedra, edges with six equivalent Pt(2)Co3Pt3 cuboctahedra, edges with six equivalent Pt(1)Ni3Pt9 cuboctahedra, edges with six equivalent Ni(1)Co3Ni6Pt3 cuboctahedra, faces with six equivalent Co(1)Co6Ni3Pt3 cuboctahedra, and faces with six equivalent Ni(1)Co3Ni6Pt3 cuboctahedra. There are two inequivalent Pt sites. In the first Pt site, Pt(1) is bonded to three equivalent Pt(2), six equivalent Pt(1), and three equivalent Ni(1) atoms to form distorted PtNi3Pt9 cuboctahedra that share corners with six equivalent Co(1)Co6Ni3Pt3 cuboctahedra, corners with six equivalent Pt(2)Co3Pt3 cuboctahedra, corners with six equivalent Pt(1)Ni3Pt9 cuboctahedra, edges with six equivalent Co(1)Co6Ni3Pt3 cuboctahedra, edges with six equivalent Pt(2)Co3Pt3 cuboctahedra, edges with six equivalent Pt(1)Ni3Pt9 cuboctahedra, edges with six equivalent Ni(1)Co3Ni6Pt3 cuboctahedra, faces with six equivalent Pt(1)Ni3Pt9 cuboctahedra, and faces with six equivalent Ni(1)Co3Ni6Pt3 cuboctahedra. In the second Pt site, Pt(2) is bonded to three equivalent Co(1) and three equivalent Pt(1) atoms to form distorted PtCo3Pt3 cuboctahedra that share corners with six equivalent Co(1)Co6Ni3Pt3 cuboctahedra, corners with six equivalent Pt(1)Ni3Pt9 cuboctahedra, corners with six equivalent Ni(1)Co3Ni6Pt3 cuboctahedra, edges with six equivalent Co(1)Co6Ni3Pt3 cuboctahedra, edges with six equivalent Pt(2)Co3Pt3 cuboctahedra, edges with six equivalent Pt(1)Ni3Pt9 cuboctahedra, and edges with six equivalent Ni(1)Co3Ni6Pt3 cuboctahedra. Ni(1) is bonded to three equivalent Co(1), three equivalent Pt(1), and six equivalent Ni(1) atoms to form distorted NiCo3Ni6Pt3 cuboctahedra that share corners with six equivalent Pt(2)Co3Pt3 cuboctahedra, corners with six equivalent Ni(1)Co3Ni6Pt3 cuboctahedra, edges with six equivalent Co(1)Co6Ni3Pt3 cuboctahedra, edges with six equivalent Pt(2)Co3Pt3 cuboctahedra, edges with six equivalent Pt(1)Ni3Pt9 cuboctahedra, edges with six equivalent Ni(1)Co3Ni6Pt3 cuboctahedra, faces with six equivalent Co(1)Co6Ni3Pt3 cuboctahedra, faces with six equivalent Pt(1)Ni3Pt9 cuboctahedra, and faces with six equivalent Ni(1)Co3Ni6Pt3 cuboctahedra. is represented by the CIF file [CIF]
data_CoNiPt2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.815
_cell_length_b   8.815
_cell_length_c   8.815
_cell_angle_alpha   17.758
_cell_angle_beta   17.758
_cell_angle_gamma   17.758
_symmetry_Int_Tables_number   1
_cell_volume   55.625
_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  0.005  0.005  0.005  1.0
  Ni  Ni1  1  0.744  0.744  0.744  1.0
  Pt  Pt2  1  0.494  0.494  0.494  1.0
  Pt  Pt3  1  0.256  0.256  0.256  1.0
[/CIF]
.