The material structure described by PtNi crystallizes in the trigonal R-3m space group. Pt(1) is bonded to six equivalent Pt(1) and six equivalent Ni(1) atoms to form distorted PtNi6Pt6 cuboctahedra that share corners with twelve equivalent Pt(1)Ni6Pt6 cuboctahedra, edges with twelve equivalent Pt(1)Ni6Pt6 cuboctahedra, edges with twelve equivalent Ni(1)Ni6Pt6 cuboctahedra, faces with six equivalent Pt(1)Ni6Pt6 cuboctahedra, and faces with twelve equivalent Ni(1)Ni6Pt6 cuboctahedra. Ni(1) is bonded to six equivalent Pt(1) and six equivalent Ni(1) atoms to form distorted NiNi6Pt6 cuboctahedra that share corners with twelve equivalent Ni(1)Ni6Pt6 cuboctahedra, edges with twelve equivalent Pt(1)Ni6Pt6 cuboctahedra, edges with twelve equivalent Ni(1)Ni6Pt6 cuboctahedra, faces with six equivalent Ni(1)Ni6Pt6 cuboctahedra, and faces with twelve equivalent Pt(1)Ni6Pt6 cuboctahedra. is represented by the CIF file [CIF]
data_NiPt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.509
_cell_length_b   4.509
_cell_length_c   4.509
_cell_angle_alpha   34.938
_cell_angle_beta   34.938
_cell_angle_gamma   34.938
_symmetry_Int_Tables_number   1
_cell_volume   26.846
_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
  Ni  Ni0  1  0.000  0.000  0.000  1.0
  Pt  Pt1  1  0.500  0.500  0.500  1.0
[/CIF]
.
The material structure described by PtNi crystallizes in the trigonal R-3m space group. Pt(1) is bonded to six equivalent Pt(1) and six equivalent Ni(1) atoms to form distorted PtNi6Pt6 cuboctahedra that share corners with twelve equivalent Pt(1)Ni6Pt6 cuboctahedra, edges with twelve equivalent Pt(1)Ni6Pt6 cuboctahedra, edges with twelve equivalent Ni(1)Ni6Pt6 cuboctahedra, faces with six equivalent Pt(1)Ni6Pt6 cuboctahedra, and faces with twelve equivalent Ni(1)Ni6Pt6 cuboctahedra. Ni(1) is bonded to six equivalent Pt(1) and six equivalent Ni(1) atoms to form distorted NiNi6Pt6 cuboctahedra that share corners with twelve equivalent Ni(1)Ni6Pt6 cuboctahedra, edges with twelve equivalent Pt(1)Ni6Pt6 cuboctahedra, edges with twelve equivalent Ni(1)Ni6Pt6 cuboctahedra, faces with six equivalent Ni(1)Ni6Pt6 cuboctahedra, and faces with twelve equivalent Pt(1)Ni6Pt6 cuboctahedra. is represented by the CIF file [CIF]
data_NiPt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.509
_cell_length_b   4.509
_cell_length_c   4.509
_cell_angle_alpha   34.938
_cell_angle_beta   34.938
_cell_angle_gamma   34.938
_symmetry_Int_Tables_number   1
_cell_volume   26.846
_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
  Ni  Ni0  1  0.000  0.000  0.000  1.0
  Pt  Pt1  1  0.500  0.500  0.500  1.0
[/CIF]
.