Yb2(Pt3Ge)3 crystallizes in the monoclinic C2/c space group. Yb(1) is bonded in a 11-coordinate geometry to one Pt(3), two equivalent Pt(1), two equivalent Pt(4), three equivalent Pt(2), three equivalent Pt(5), and four equivalent Ge(2) atoms. There are five inequivalent Pt sites. In the first Pt site, Pt(5) is bonded in a 6-coordinate geometry to three equivalent Yb(1), one Ge(1), and two equivalent Ge(2) atoms. In the second Pt site, Pt(1) is bonded in a 4-coordinate geometry to two equivalent Yb(1), one Ge(1), and one Ge(2) atom. In the third Pt site, Pt(2) is bonded in a 6-coordinate geometry to three equivalent Yb(1), one Ge(1), and two equivalent Ge(2) atoms. In the fourth Pt site, Pt(3) is bonded in a 4-coordinate geometry to two equivalent Yb(1) and two equivalent Ge(2) atoms. In the fifth Pt site, Pt(4) is bonded in a 5-coordinate geometry to two equivalent Yb(1), one Ge(1), and two equivalent Ge(2) atoms. There are two inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 8-coordinate geometry to two equivalent Pt(1), two equivalent Pt(2), two equivalent Pt(4), and two equivalent Pt(5) atoms. In the second Ge site, Ge(2) is bonded in a 12-coordinate geometry to four equivalent Yb(1), one Pt(1), one Pt(3), two equivalent Pt(2), two equivalent Pt(4), and two equivalent Pt(5) atoms.
Yb2(Pt3Ge)3 crystallizes in the monoclinic C2/c space group. Yb(1) is bonded in a 11-coordinate geometry to one Pt(3), two equivalent Pt(1), two equivalent Pt(4), three equivalent Pt(2), three equivalent Pt(5), and four equivalent Ge(2) atoms. The Yb(1)-Pt(3) bond length is 3.10 Å. There is one shorter (3.06 Å) and one longer (3.16 Å) Yb(1)-Pt(1) bond length. There is one shorter (3.00 Å) and one longer (3.01 Å) Yb(1)-Pt(4) bond length. There are a spread of Yb(1)-Pt(2) bond distances ranging from 2.92-3.05 Å. There are a spread of Yb(1)-Pt(5) bond distances ranging from 2.92-3.01 Å. There are a spread of Yb(1)-Ge(2) bond distances ranging from 3.25-3.42 Å. There are five inequivalent Pt sites. In the first Pt site, Pt(5) is bonded in a 6-coordinate geometry to three equivalent Yb(1), one Ge(1), and two equivalent Ge(2) atoms. The Pt(5)-Ge(1) bond length is 2.66 Å. There is one shorter (2.51 Å) and one longer (2.65 Å) Pt(5)-Ge(2) bond length. In the second Pt site, Pt(1) is bonded in a 4-coordinate geometry to two equivalent Yb(1), one Ge(1), and one Ge(2) atom. The Pt(1)-Ge(1) bond length is 2.46 Å. The Pt(1)-Ge(2) bond length is 2.45 Å. In the third Pt site, Pt(2) is bonded in a 6-coordinate geometry to three equivalent Yb(1), one Ge(1), and two equivalent Ge(2) atoms. The Pt(2)-Ge(1) bond length is 2.63 Å. There is one shorter (2.50 Å) and one longer (2.66 Å) Pt(2)-Ge(2) bond length. In the fourth Pt site, Pt(3) is bonded in a 4-coordinate geometry to two equivalent Yb(1) and two equivalent Ge(2) atoms. Both Pt(3)-Ge(2) bond lengths are 2.46 Å. In the fifth Pt site, Pt(4) is bonded in a 5-coordinate geometry to two equivalent Yb(1), one Ge(1), and two equivalent Ge(2) atoms. The Pt(4)-Ge(1) bond length is 2.61 Å. There is one shorter (2.82 Å) and one longer (2.88 Å) Pt(4)-Ge(2) bond length. There are two inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 8-coordinate geometry to two equivalent Pt(1), two equivalent Pt(2), two equivalent Pt(4), and two equivalent Pt(5) atoms. In the second Ge site, Ge(2) is bonded in a 12-coordinate geometry to four equivalent Yb(1), one Pt(1), one Pt(3), two equivalent Pt(2), two equivalent Pt(4), and two equivalent Pt(5) atoms.