Sm4Ir13Ge9 crystallizes in the orthorhombic Pmmn space group. There are three inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 16-coordinate geometry to one Ir(1), one Ir(3), one Ir(6), one Ir(8), two equivalent Ir(2), two equivalent Ir(5), two equivalent Ir(7), two equivalent Ge(1), two equivalent Ge(3), and two equivalent Ge(5) atoms. In the second Sm site, Sm(2) is bonded in a 16-coordinate geometry to two equivalent Ir(5), two equivalent Ir(7), six equivalent Ir(1), two equivalent Ge(6), and four equivalent Ge(1) atoms. In the third Sm site, Sm(3) is bonded in a 18-coordinate geometry to two equivalent Ir(2), two equivalent Ir(3), two equivalent Ir(6), six equivalent Ir(4), two equivalent Ge(4), and four equivalent Ge(2) atoms. There are eight inequivalent Ir sites. In the first Ir site, Ir(3) is bonded in a 5-coordinate geometry to one Sm(1), one Sm(3), one Ge(2), two equivalent Ge(3), and two equivalent Ge(4) atoms. In the second Ir site, Ir(4) is bonded in a 6-coordinate geometry to three equivalent Sm(3), one Ge(4), and three equivalent Ge(2) atoms. In the third Ir site, Ir(5) is bonded in a 6-coordinate geometry to one Sm(2), two equivalent Sm(1), one Ge(1), one Ge(3), and two equivalent Ge(6) atoms. In the fourth Ir site, Ir(6) is bonded to two equivalent Sm(1), two equivalent Sm(3), two equivalent Ge(2), and two equivalent Ge(5) atoms to form a mixture of distorted corner and edge-sharing IrSm4Ge4 tetrahedra. In the fifth Ir site, Ir(7) is bonded in a 9-coordinate geometry to two equivalent Sm(2), four equivalent Sm(1), one Ge(5), and two equivalent Ge(1) atoms. In the sixth Ir site, Ir(8) is bonded in a 5-coordinate geometry to two equivalent Sm(1), one Ge(6), and four equivalent Ge(3) atoms. In the seventh Ir site, Ir(1) is bonded to one Sm(1), three equivalent Sm(2), one Ge(6), and three equivalent Ge(1) atoms to form a mixture of distorted corner, edge, and face-sharing IrSm4Ge4 tetrahedra. In the eighth Ir site, Ir(2) is bonded in a 4-coordinate geometry to one Sm(3), two equivalent Sm(1), one Ge(3), one Ge(5), and two equivalent Ge(2) atoms. There are six inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to two equivalent Sm(1), two equivalent Sm(2), one Ir(5), one Ir(7), and three equivalent Ir(1) atoms. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to two equivalent Sm(3), one Ir(3), one Ir(6), two equivalent Ir(2), and three equivalent Ir(4) atoms. In the third Ge site, Ge(3) is bonded in a 8-coordinate geometry to two equivalent Sm(1), one Ir(2), one Ir(5), two equivalent Ir(3), and two equivalent Ir(8) atoms. In the fourth Ge site, Ge(4) is bonded in a 8-coordinate geometry to two equivalent Sm(3), two equivalent Ir(4), and four equivalent Ir(3) atoms. In the fifth Ge site, Ge(5) is bonded in a 9-coordinate geometry to four equivalent Sm(1), one Ir(7), two equivalent Ir(2), and two equivalent Ir(6) atoms. In the sixth Ge site, Ge(6) is bonded in a 9-coordinate geometry to two equivalent Sm(2), one Ir(8), two equivalent Ir(1), and four equivalent Ir(5) atoms.
Sm4Ir13Ge9 crystallizes in the orthorhombic Pmmn space group. There are three inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 16-coordinate geometry to one Ir(1), one Ir(3), one Ir(6), one Ir(8), two equivalent Ir(2), two equivalent Ir(5), two equivalent Ir(7), two equivalent Ge(1), two equivalent Ge(3), and two equivalent Ge(5) atoms. The Sm(1)-Ir(1) bond length is 3.40 Å. The Sm(1)-Ir(3) bond length is 3.54 Å. The Sm(1)-Ir(6) bond length is 3.42 Å. The Sm(1)-Ir(8) bond length is 3.53 Å. Both Sm(1)-Ir(2) bond lengths are 3.24 Å. Both Sm(1)-Ir(5) bond lengths are 3.20 Å. Both Sm(1)-Ir(7) bond lengths are 3.23 Å. Both Sm(1)-Ge(1) bond lengths are 3.21 Å. Both Sm(1)-Ge(3) bond lengths are 3.12 Å. Both Sm(1)-Ge(5) bond lengths are 3.18 Å. In the second Sm site, Sm(2) is bonded in a 16-coordinate geometry to two equivalent Ir(5), two equivalent Ir(7), six equivalent Ir(1), two equivalent Ge(6), and four equivalent Ge(1) atoms. Both Sm(2)-Ir(5) bond lengths are 3.51 Å. Both Sm(2)-Ir(7) bond lengths are 3.10 Å. There are four shorter (3.33 Å) and two longer (3.43 Å) Sm(2)-Ir(1) bond lengths. Both Sm(2)-Ge(6) bond lengths are 3.15 Å. All Sm(2)-Ge(1) bond lengths are 3.16 Å. In the third Sm site, Sm(3) is bonded in a 18-coordinate geometry to two equivalent Ir(2), two equivalent Ir(3), two equivalent Ir(6), six equivalent Ir(4), two equivalent Ge(4), and four equivalent Ge(2) atoms. Both Sm(3)-Ir(2) bond lengths are 3.50 Å. Both Sm(3)-Ir(3) bond lengths are 3.54 Å. Both Sm(3)-Ir(6) bond lengths are 3.37 Å. There are four shorter (3.19 Å) and two longer (3.52 Å) Sm(3)-Ir(4) bond lengths. Both Sm(3)-Ge(4) bond lengths are 3.12 Å. All Sm(3)-Ge(2) bond lengths are 3.15 Å. There are eight inequivalent Ir sites. In the first Ir site, Ir(3) is bonded in a 5-coordinate geometry to one Sm(1), one Sm(3), one Ge(2), two equivalent Ge(3), and two equivalent Ge(4) atoms. The Ir(3)-Ge(2) bond length is 2.48 Å. Both Ir(3)-Ge(3) bond lengths are 2.62 Å. Both Ir(3)-Ge(4) bond lengths are 2.63 Å. In the second Ir site, Ir(4) is bonded in a 6-coordinate geometry to three equivalent Sm(3), one Ge(4), and three equivalent Ge(2) atoms. The Ir(4)-Ge(4) bond length is 2.48 Å. There is one shorter (2.45 Å) and two longer (2.63 Å) Ir(4)-Ge(2) bond lengths. In the third Ir site, Ir(5) is bonded in a 6-coordinate geometry to one Sm(2), two equivalent Sm(1), one Ge(1), one Ge(3), and two equivalent Ge(6) atoms. The Ir(5)-Ge(1) bond length is 2.46 Å. The Ir(5)-Ge(3) bond length is 2.50 Å. Both Ir(5)-Ge(6) bond lengths are 2.58 Å. In the fourth Ir site, Ir(6) is bonded to two equivalent Sm(1), two equivalent Sm(3), two equivalent Ge(2), and two equivalent Ge(5) atoms to form a mixture of distorted corner and edge-sharing IrSm4Ge4 tetrahedra. Both Ir(6)-Ge(2) bond lengths are 2.50 Å. Both Ir(6)-Ge(5) bond lengths are 2.51 Å. In the fifth Ir site, Ir(7) is bonded in a 9-coordinate geometry to two equivalent Sm(2), four equivalent Sm(1), one Ge(5), and two equivalent Ge(1) atoms. The Ir(7)-Ge(5) bond length is 2.46 Å. Both Ir(7)-Ge(1) bond lengths are 2.44 Å. In the sixth Ir site, Ir(8) is bonded in a 5-coordinate geometry to two equivalent Sm(1), one Ge(6), and four equivalent Ge(3) atoms. The Ir(8)-Ge(6) bond length is 2.48 Å. All Ir(8)-Ge(3) bond lengths are 2.63 Å. In the seventh Ir site, Ir(1) is bonded to one Sm(1), three equivalent Sm(2), one Ge(6), and three equivalent Ge(1) atoms to form a mixture of distorted corner, edge, and face-sharing IrSm4Ge4 tetrahedra. The Ir(1)-Ge(6) bond length is 2.52 Å. There are two shorter (2.48 Å) and one longer (2.51 Å) Ir(1)-Ge(1) bond length. In the eighth Ir site, Ir(2) is bonded in a 4-coordinate geometry to one Sm(3), two equivalent Sm(1), one Ge(3), one Ge(5), and two equivalent Ge(2) atoms. The Ir(2)-Ge(3) bond length is 2.50 Å. The Ir(2)-Ge(5) bond length is 2.49 Å. Both Ir(2)-Ge(2) bond lengths are 2.55 Å. There are six inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to two equivalent Sm(1), two equivalent Sm(2), one Ir(5), one Ir(7), and three equivalent Ir(1) atoms. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to two equivalent Sm(3), one Ir(3), one Ir(6), two equivalent Ir(2), and three equivalent Ir(4) atoms. In the third Ge site, Ge(3) is bonded in a 8-coordinate geometry to two equivalent Sm(1), one Ir(2), one Ir(5), two equivalent Ir(3), and two equivalent Ir(8) atoms. In the fourth Ge site, Ge(4) is bonded in a 8-coordinate geometry to two equivalent Sm(3), two equivalent Ir(4), and four equivalent Ir(3) atoms. In the fifth Ge site, Ge(5) is bonded in a 9-coordinate geometry to four equivalent Sm(1), one Ir(7), two equivalent Ir(2), and two equivalent Ir(6) atoms. In the sixth Ge site, Ge(6) is bonded in a 9-coordinate geometry to two equivalent Sm(2), one Ir(8), two equivalent Ir(1), and four equivalent Ir(5) atoms.