Pt2CoNi is Tetraauricupride-derived structured and crystallizes in the tetragonal P4/mmm space group. Co(1) is bonded to four equivalent Co(1) and eight equivalent Pt(1) atoms to form distorted CoCo4Pt8 cuboctahedra that share corners with four equivalent Co(1)Co4Pt8 cuboctahedra, corners with eight equivalent Ni(1)Ni4Pt8 cuboctahedra, edges with eight equivalent Ni(1)Ni4Pt8 cuboctahedra, edges with sixteen equivalent Pt(1)Co4Ni4Pt4 cuboctahedra, faces with two equivalent Ni(1)Ni4Pt8 cuboctahedra, faces with eight equivalent Co(1)Co4Pt8 cuboctahedra, and faces with eight equivalent Pt(1)Co4Ni4Pt4 cuboctahedra. Pt(1) is bonded to four equivalent Co(1), four equivalent Pt(1), and four equivalent Ni(1) atoms to form distorted PtCo4Ni4Pt4 cuboctahedra that share corners with twelve equivalent Pt(1)Co4Ni4Pt4 cuboctahedra, edges with eight equivalent Co(1)Co4Pt8 cuboctahedra, edges with eight equivalent Pt(1)Co4Ni4Pt4 cuboctahedra, edges with eight equivalent Ni(1)Ni4Pt8 cuboctahedra, faces with four equivalent Co(1)Co4Pt8 cuboctahedra, faces with four equivalent Ni(1)Ni4Pt8 cuboctahedra, and faces with ten equivalent Pt(1)Co4Ni4Pt4 cuboctahedra. Ni(1) is bonded to eight equivalent Pt(1) and four equivalent Ni(1) atoms to form distorted NiNi4Pt8 cuboctahedra that share corners with four equivalent Ni(1)Ni4Pt8 cuboctahedra, corners with eight equivalent Co(1)Co4Pt8 cuboctahedra, edges with eight equivalent Co(1)Co4Pt8 cuboctahedra, edges with sixteen equivalent Pt(1)Co4Ni4Pt4 cuboctahedra, faces with two equivalent Co(1)Co4Pt8 cuboctahedra, faces with eight equivalent Pt(1)Co4Ni4Pt4 cuboctahedra, and faces with eight equivalent Ni(1)Ni4Pt8 cuboctahedra.
Pt2CoNi is Tetraauricupride-derived structured and crystallizes in the tetragonal P4/mmm space group. Co(1) is bonded to four equivalent Co(1) and eight equivalent Pt(1) atoms to form distorted CoCo4Pt8 cuboctahedra that share corners with four equivalent Co(1)Co4Pt8 cuboctahedra, corners with eight equivalent Ni(1)Ni4Pt8 cuboctahedra, edges with eight equivalent Ni(1)Ni4Pt8 cuboctahedra, edges with sixteen equivalent Pt(1)Co4Ni4Pt4 cuboctahedra, faces with two equivalent Ni(1)Ni4Pt8 cuboctahedra, faces with eight equivalent Co(1)Co4Pt8 cuboctahedra, and faces with eight equivalent Pt(1)Co4Ni4Pt4 cuboctahedra. All Co(1)-Co(1) bond lengths are 2.69 Å. All Co(1)-Pt(1) bond lengths are 2.64 Å. Pt(1) is bonded to four equivalent Co(1), four equivalent Pt(1), and four equivalent Ni(1) atoms to form distorted PtCo4Ni4Pt4 cuboctahedra that share corners with twelve equivalent Pt(1)Co4Ni4Pt4 cuboctahedra, edges with eight equivalent Co(1)Co4Pt8 cuboctahedra, edges with eight equivalent Pt(1)Co4Ni4Pt4 cuboctahedra, edges with eight equivalent Ni(1)Ni4Pt8 cuboctahedra, faces with four equivalent Co(1)Co4Pt8 cuboctahedra, faces with four equivalent Ni(1)Ni4Pt8 cuboctahedra, and faces with ten equivalent Pt(1)Co4Ni4Pt4 cuboctahedra. All Pt(1)-Pt(1) bond lengths are 2.69 Å. All Pt(1)-Ni(1) bond lengths are 2.64 Å. Ni(1) is bonded to eight equivalent Pt(1) and four equivalent Ni(1) atoms to form distorted NiNi4Pt8 cuboctahedra that share corners with four equivalent Ni(1)Ni4Pt8 cuboctahedra, corners with eight equivalent Co(1)Co4Pt8 cuboctahedra, edges with eight equivalent Co(1)Co4Pt8 cuboctahedra, edges with sixteen equivalent Pt(1)Co4Ni4Pt4 cuboctahedra, faces with two equivalent Co(1)Co4Pt8 cuboctahedra, faces with eight equivalent Pt(1)Co4Ni4Pt4 cuboctahedra, and faces with eight equivalent Ni(1)Ni4Pt8 cuboctahedra. All Ni(1)-Ni(1) bond lengths are 2.69 Å.