Ru3Zn11Sb crystallizes in the orthorhombic Ama2 space group. There are two inequivalent Ru sites. In the first Ru site, Ru(1) is bonded in a 11-coordinate geometry to one Zn(1), one Zn(2), one Zn(5), one Zn(7), two equivalent Zn(3), two equivalent Zn(4), two equivalent Zn(6), and one Sb(1) atom. In the second Ru site, Ru(2) is bonded in a 10-coordinate geometry to two equivalent Zn(1), two equivalent Zn(3), two equivalent Zn(4), two equivalent Zn(7), and two equivalent Sb(1) atoms. There are seven inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 2-coordinate geometry to one Ru(1), one Ru(2), one Zn(7), and two equivalent Sb(1) atoms. In the second Zn site, Zn(2) is bonded in a 10-coordinate geometry to two equivalent Ru(1), two equivalent Zn(3), two equivalent Zn(4), and four equivalent Zn(6) atoms. In the third Zn site, Zn(3) is bonded in a 4-coordinate geometry to one Ru(2), two equivalent Ru(1), one Zn(2), one Zn(7), two equivalent Zn(6), and one Sb(1) atom. In the fourth Zn site, Zn(4) is bonded in a 3-coordinate geometry to one Ru(2), two equivalent Ru(1), one Zn(2), one Zn(7), two equivalent Zn(6), and one Sb(1) atom. In the fifth Zn site, Zn(5) is bonded in a distorted linear geometry to two equivalent Ru(1) and four equivalent Zn(6) atoms. In the sixth Zn site, Zn(6) is bonded in a 10-coordinate geometry to two equivalent Ru(1), two equivalent Zn(2), two equivalent Zn(3), two equivalent Zn(4), and two equivalent Zn(5) atoms. In the seventh Zn site, Zn(7) is bonded in a 11-coordinate geometry to two equivalent Ru(1), two equivalent Ru(2), two equivalent Zn(1), two equivalent Zn(3), two equivalent Zn(4), and one Sb(1) atom. Sb(1) is bonded in a 13-coordinate geometry to two equivalent Ru(1), two equivalent Ru(2), one Zn(7), two equivalent Zn(3), two equivalent Zn(4), and four equivalent Zn(1) atoms.
Ru3Zn11Sb crystallizes in the orthorhombic Ama2 space group. There are two inequivalent Ru sites. In the first Ru site, Ru(1) is bonded in a 11-coordinate geometry to one Zn(1), one Zn(2), one Zn(5), one Zn(7), two equivalent Zn(3), two equivalent Zn(4), two equivalent Zn(6), and one Sb(1) atom. The Ru(1)-Zn(1) bond length is 2.63 Å. The Ru(1)-Zn(2) bond length is 2.64 Å. The Ru(1)-Zn(5) bond length is 2.48 Å. The Ru(1)-Zn(7) bond length is 2.82 Å. There is one shorter (2.59 Å) and one longer (2.77 Å) Ru(1)-Zn(3) bond length. Both Ru(1)-Zn(4) bond lengths are 2.71 Å. There is one shorter (2.71 Å) and one longer (2.77 Å) Ru(1)-Zn(6) bond length. The Ru(1)-Sb(1) bond length is 2.70 Å. In the second Ru site, Ru(2) is bonded in a 10-coordinate geometry to two equivalent Zn(1), two equivalent Zn(3), two equivalent Zn(4), two equivalent Zn(7), and two equivalent Sb(1) atoms. Both Ru(2)-Zn(1) bond lengths are 2.56 Å. Both Ru(2)-Zn(3) bond lengths are 2.65 Å. Both Ru(2)-Zn(4) bond lengths are 2.70 Å. There is one shorter (2.72 Å) and one longer (2.76 Å) Ru(2)-Zn(7) bond length. There is one shorter (2.69 Å) and one longer (2.80 Å) Ru(2)-Sb(1) bond length. There are seven inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 2-coordinate geometry to one Ru(1), one Ru(2), one Zn(7), and two equivalent Sb(1) atoms. The Zn(1)-Zn(7) bond length is 2.96 Å. There is one shorter (3.16 Å) and one longer (3.18 Å) Zn(1)-Sb(1) bond length. In the second Zn site, Zn(2) is bonded in a 10-coordinate geometry to two equivalent Ru(1), two equivalent Zn(3), two equivalent Zn(4), and four equivalent Zn(6) atoms. Both Zn(2)-Zn(3) bond lengths are 2.64 Å. Both Zn(2)-Zn(4) bond lengths are 2.70 Å. There are two shorter (2.61 Å) and two longer (2.66 Å) Zn(2)-Zn(6) bond lengths. In the third Zn site, Zn(3) is bonded in a 4-coordinate geometry to one Ru(2), two equivalent Ru(1), one Zn(2), one Zn(7), two equivalent Zn(6), and one Sb(1) atom. The Zn(3)-Zn(7) bond length is 2.94 Å. There is one shorter (2.62 Å) and one longer (2.88 Å) Zn(3)-Zn(6) bond length. The Zn(3)-Sb(1) bond length is 2.81 Å. In the fourth Zn site, Zn(4) is bonded in a 3-coordinate geometry to one Ru(2), two equivalent Ru(1), one Zn(2), one Zn(7), two equivalent Zn(6), and one Sb(1) atom. The Zn(4)-Zn(7) bond length is 2.60 Å. There is one shorter (2.60 Å) and one longer (2.97 Å) Zn(4)-Zn(6) bond length. The Zn(4)-Sb(1) bond length is 2.99 Å. In the fifth Zn site, Zn(5) is bonded in a distorted linear geometry to two equivalent Ru(1) and four equivalent Zn(6) atoms. There are two shorter (2.63 Å) and two longer (2.64 Å) Zn(5)-Zn(6) bond lengths. In the sixth Zn site, Zn(6) is bonded in a 10-coordinate geometry to two equivalent Ru(1), two equivalent Zn(2), two equivalent Zn(3), two equivalent Zn(4), and two equivalent Zn(5) atoms. In the seventh Zn site, Zn(7) is bonded in a 11-coordinate geometry to two equivalent Ru(1), two equivalent Ru(2), two equivalent Zn(1), two equivalent Zn(3), two equivalent Zn(4), and one Sb(1) atom. The Zn(7)-Sb(1) bond length is 2.89 Å. Sb(1) is bonded in a 13-coordinate geometry to two equivalent Ru(1), two equivalent Ru(2), one Zn(7), two equivalent Zn(3), two equivalent Zn(4), and four equivalent Zn(1) atoms.