Yb4Pt3Au crystallizes in the monoclinic Pm space group. There are four inequivalent Yb sites. In the first Yb site, Yb(1) is bonded in a 7-coordinate geometry to one Pt(1), two equivalent Pt(2), two equivalent Pt(3), and two equivalent Au(1) atoms. In the second Yb site, Yb(2) is bonded in a 7-coordinate geometry to two equivalent Pt(1), two equivalent Pt(2), two equivalent Pt(3), and one Au(1) atom. In the third Yb site, Yb(3) is bonded in a 7-coordinate geometry to one Pt(3), two equivalent Pt(1), two equivalent Pt(2), and two equivalent Au(1) atoms. In the fourth Yb site, Yb(4) is bonded in a 7-coordinate geometry to one Pt(2), two equivalent Pt(1), two equivalent Pt(3), and two equivalent Au(1) atoms. There are three inequivalent Pt sites. In the first Pt site, Pt(1) is bonded in a 7-coordinate geometry to one Yb(1), two equivalent Yb(2), two equivalent Yb(3), and two equivalent Yb(4) atoms. In the second Pt site, Pt(2) is bonded in a 9-coordinate geometry to one Yb(4), two equivalent Yb(1), two equivalent Yb(2), two equivalent Yb(3), and two equivalent Au(1) atoms. In the third Pt site, Pt(3) is bonded in a 7-coordinate geometry to one Yb(3), two equivalent Yb(1), two equivalent Yb(2), and two equivalent Yb(4) atoms. Au(1) is bonded in a 9-coordinate geometry to one Yb(2), two equivalent Yb(1), two equivalent Yb(3), two equivalent Yb(4), and two equivalent Pt(2) atoms.
Yb4Pt3Au crystallizes in the monoclinic Pm space group. There are four inequivalent Yb sites. In the first Yb site, Yb(1) is bonded in a 7-coordinate geometry to one Pt(1), two equivalent Pt(2), two equivalent Pt(3), and two equivalent Au(1) atoms. The Yb(1)-Pt(1) bond length is 2.98 Å. Both Yb(1)-Pt(2) bond lengths are 2.94 Å. Both Yb(1)-Pt(3) bond lengths are 2.90 Å. There is one shorter (2.92 Å) and one longer (3.02 Å) Yb(1)-Au(1) bond length. In the second Yb site, Yb(2) is bonded in a 7-coordinate geometry to two equivalent Pt(1), two equivalent Pt(2), two equivalent Pt(3), and one Au(1) atom. There is one shorter (2.89 Å) and one longer (3.00 Å) Yb(2)-Pt(1) bond length. Both Yb(2)-Pt(2) bond lengths are 2.97 Å. Both Yb(2)-Pt(3) bond lengths are 2.92 Å. The Yb(2)-Au(1) bond length is 3.03 Å. In the third Yb site, Yb(3) is bonded in a 7-coordinate geometry to one Pt(3), two equivalent Pt(1), two equivalent Pt(2), and two equivalent Au(1) atoms. The Yb(3)-Pt(3) bond length is 2.94 Å. Both Yb(3)-Pt(1) bond lengths are 2.90 Å. There is one shorter (2.90 Å) and one longer (3.06 Å) Yb(3)-Pt(2) bond length. Both Yb(3)-Au(1) bond lengths are 2.97 Å. In the fourth Yb site, Yb(4) is bonded in a 7-coordinate geometry to one Pt(2), two equivalent Pt(1), two equivalent Pt(3), and two equivalent Au(1) atoms. The Yb(4)-Pt(2) bond length is 3.04 Å. Both Yb(4)-Pt(1) bond lengths are 2.89 Å. There is one shorter (2.85 Å) and one longer (2.99 Å) Yb(4)-Pt(3) bond length. Both Yb(4)-Au(1) bond lengths are 3.00 Å. There are three inequivalent Pt sites. In the first Pt site, Pt(1) is bonded in a 7-coordinate geometry to one Yb(1), two equivalent Yb(2), two equivalent Yb(3), and two equivalent Yb(4) atoms. In the second Pt site, Pt(2) is bonded in a 9-coordinate geometry to one Yb(4), two equivalent Yb(1), two equivalent Yb(2), two equivalent Yb(3), and two equivalent Au(1) atoms. Both Pt(2)-Au(1) bond lengths are 2.84 Å. In the third Pt site, Pt(3) is bonded in a 7-coordinate geometry to one Yb(3), two equivalent Yb(1), two equivalent Yb(2), and two equivalent Yb(4) atoms. Au(1) is bonded in a 9-coordinate geometry to one Yb(2), two equivalent Yb(1), two equivalent Yb(3), two equivalent Yb(4), and two equivalent Pt(2) atoms.