Nd3(Pt2Ge3)2 crystallizes in the orthorhombic Pnma space group. There are three inequivalent Nd sites. In the first Nd site, Nd(1) is bonded in a 14-coordinate geometry to three equivalent Pt(1), three equivalent Pt(3), two equivalent Ge(4), three equivalent Ge(1), and three equivalent Ge(3) atoms. In the second Nd site, Nd(2) is bonded in a 15-coordinate geometry to two equivalent Pt(1), two equivalent Pt(2), two equivalent Pt(4), one Ge(3), one Ge(5), two equivalent Ge(2), two equivalent Ge(4), and three equivalent Ge(6) atoms. In the third Nd site, Nd(3) is bonded in a 15-coordinate geometry to two equivalent Pt(2), two equivalent Pt(3), two equivalent Pt(4), one Ge(1), one Ge(6), two equivalent Ge(2), two equivalent Ge(4), and three equivalent Ge(5) atoms. There are four inequivalent Pt sites. In the first Pt site, Pt(1) is bonded in a 10-coordinate geometry to two equivalent Nd(2), three equivalent Nd(1), one Ge(1), one Ge(2), one Ge(4), and two equivalent Ge(3) atoms. In the second Pt site, Pt(2) is bonded in a 5-coordinate geometry to two equivalent Nd(2), two equivalent Nd(3), one Ge(4), one Ge(6), and three equivalent Ge(5) atoms. In the third Pt site, Pt(3) is bonded in a 10-coordinate geometry to two equivalent Nd(3), three equivalent Nd(1), one Ge(2), one Ge(3), one Ge(4), and two equivalent Ge(1) atoms. In the fourth Pt site, Pt(4) is bonded in a 5-coordinate geometry to two equivalent Nd(2), two equivalent Nd(3), one Ge(2), one Ge(5), and three equivalent Ge(6) atoms. There are six inequivalent Ge sites. In the first Ge site, Ge(6) is bonded in a 8-coordinate geometry to one Nd(3), three equivalent Nd(2), one Pt(2), and three equivalent Pt(4) atoms. In the second Ge site, Ge(1) is bonded in a 8-coordinate geometry to one Nd(3), three equivalent Nd(1), one Pt(1), two equivalent Pt(3), and one Ge(3) atom. In the third Ge site, Ge(2) is bonded in a distorted trigonal planar geometry to two equivalent Nd(2), two equivalent Nd(3), one Pt(1), one Pt(3), and one Pt(4) atom. In the fourth Ge site, Ge(3) is bonded in a 8-coordinate geometry to one Nd(2), three equivalent Nd(1), one Pt(3), two equivalent Pt(1), and one Ge(1) atom. In the fifth Ge site, Ge(4) is bonded in a 9-coordinate geometry to two equivalent Nd(1), two equivalent Nd(2), two equivalent Nd(3), one Pt(1), one Pt(2), and one Pt(3) atom. In the sixth Ge site, Ge(5) is bonded in a 8-coordinate geometry to one Nd(2), three equivalent Nd(3), one Pt(4), and three equivalent Pt(2) atoms.
Nd3(Pt2Ge3)2 crystallizes in the orthorhombic Pnma space group. There are three inequivalent Nd sites. In the first Nd site, Nd(1) is bonded in a 14-coordinate geometry to three equivalent Pt(1), three equivalent Pt(3), two equivalent Ge(4), three equivalent Ge(1), and three equivalent Ge(3) atoms. All Nd(1)-Pt(1) bond lengths are 3.29 Å. There are two shorter (3.27 Å) and one longer (3.30 Å) Nd(1)-Pt(3) bond length. Both Nd(1)-Ge(4) bond lengths are 3.11 Å. There are two shorter (3.11 Å) and one longer (3.15 Å) Nd(1)-Ge(1) bond length. There are two shorter (3.11 Å) and one longer (3.15 Å) Nd(1)-Ge(3) bond length. In the second Nd site, Nd(2) is bonded in a 15-coordinate geometry to two equivalent Pt(1), two equivalent Pt(2), two equivalent Pt(4), one Ge(3), one Ge(5), two equivalent Ge(2), two equivalent Ge(4), and three equivalent Ge(6) atoms. Both Nd(2)-Pt(1) bond lengths are 3.35 Å. Both Nd(2)-Pt(2) bond lengths are 3.35 Å. Both Nd(2)-Pt(4) bond lengths are 3.39 Å. The Nd(2)-Ge(3) bond length is 3.36 Å. The Nd(2)-Ge(5) bond length is 3.28 Å. Both Nd(2)-Ge(2) bond lengths are 3.47 Å. Both Nd(2)-Ge(4) bond lengths are 3.33 Å. There is one shorter (3.31 Å) and two longer (3.32 Å) Nd(2)-Ge(6) bond lengths. In the third Nd site, Nd(3) is bonded in a 15-coordinate geometry to two equivalent Pt(2), two equivalent Pt(3), two equivalent Pt(4), one Ge(1), one Ge(6), two equivalent Ge(2), two equivalent Ge(4), and three equivalent Ge(5) atoms. Both Nd(3)-Pt(2) bond lengths are 3.37 Å. Both Nd(3)-Pt(3) bond lengths are 3.36 Å. Both Nd(3)-Pt(4) bond lengths are 3.44 Å. The Nd(3)-Ge(1) bond length is 3.36 Å. The Nd(3)-Ge(6) bond length is 3.33 Å. Both Nd(3)-Ge(2) bond lengths are 3.46 Å. Both Nd(3)-Ge(4) bond lengths are 3.35 Å. There are two shorter (3.25 Å) and one longer (3.30 Å) Nd(3)-Ge(5) bond length. There are four inequivalent Pt sites. In the first Pt site, Pt(1) is bonded in a 10-coordinate geometry to two equivalent Nd(2), three equivalent Nd(1), one Ge(1), one Ge(2), one Ge(4), and two equivalent Ge(3) atoms. The Pt(1)-Ge(1) bond length is 2.75 Å. The Pt(1)-Ge(2) bond length is 2.55 Å. The Pt(1)-Ge(4) bond length is 2.57 Å. Both Pt(1)-Ge(3) bond lengths are 2.51 Å. In the second Pt site, Pt(2) is bonded in a 5-coordinate geometry to two equivalent Nd(2), two equivalent Nd(3), one Ge(4), one Ge(6), and three equivalent Ge(5) atoms. The Pt(2)-Ge(4) bond length is 2.48 Å. The Pt(2)-Ge(6) bond length is 2.52 Å. There is one shorter (2.53 Å) and two longer (2.54 Å) Pt(2)-Ge(5) bond lengths. In the third Pt site, Pt(3) is bonded in a 10-coordinate geometry to two equivalent Nd(3), three equivalent Nd(1), one Ge(2), one Ge(3), one Ge(4), and two equivalent Ge(1) atoms. The Pt(3)-Ge(2) bond length is 2.53 Å. The Pt(3)-Ge(3) bond length is 2.73 Å. The Pt(3)-Ge(4) bond length is 2.59 Å. Both Pt(3)-Ge(1) bond lengths are 2.52 Å. In the fourth Pt site, Pt(4) is bonded in a 5-coordinate geometry to two equivalent Nd(2), two equivalent Nd(3), one Ge(2), one Ge(5), and three equivalent Ge(6) atoms. The Pt(4)-Ge(2) bond length is 2.45 Å. The Pt(4)-Ge(5) bond length is 2.54 Å. All Pt(4)-Ge(6) bond lengths are 2.55 Å. There are six inequivalent Ge sites. In the first Ge site, Ge(6) is bonded in a 8-coordinate geometry to one Nd(3), three equivalent Nd(2), one Pt(2), and three equivalent Pt(4) atoms. In the second Ge site, Ge(1) is bonded in a 8-coordinate geometry to one Nd(3), three equivalent Nd(1), one Pt(1), two equivalent Pt(3), and one Ge(3) atom. The Ge(1)-Ge(3) bond length is 2.66 Å. In the third Ge site, Ge(2) is bonded in a distorted trigonal planar geometry to two equivalent Nd(2), two equivalent Nd(3), one Pt(1), one Pt(3), and one Pt(4) atom. In the fourth Ge site, Ge(3) is bonded in a 8-coordinate geometry to one Nd(2), three equivalent Nd(1), one Pt(3), two equivalent Pt(1), and one Ge(1) atom. In the fifth Ge site, Ge(4) is bonded in a 9-coordinate geometry to two equivalent Nd(1), two equivalent Nd(2), two equivalent Nd(3), one Pt(1), one Pt(2), and one Pt(3) atom. In the sixth Ge site, Ge(5) is bonded in a 8-coordinate geometry to one Nd(2), three equivalent Nd(3), one Pt(4), and three equivalent Pt(2) atoms.