CsMg14V crystallizes in the orthorhombic Amm2 space group. Cs(1) is bonded to two equivalent Mg(7); four Mg(3,3,3); four Mg(5,5); and two equivalent V(1) atoms to form CsMg10V2 cuboctahedra that share corners with four equivalent Mg(1)Mg12 cuboctahedra; corners with six equivalent Cs(1)Mg10V2 cuboctahedra; corners with eight equivalent Mg(4)Mg12 cuboctahedra; edges with two equivalent V(1)Cs2Mg10 cuboctahedra; edges with eight Mg(5,5)CsMg10V cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with two equivalent V(1)Cs2Mg10 cuboctahedra; and faces with four Mg(5,5)CsMg10V cuboctahedra. There are ten inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to two equivalent Mg(2); two equivalent Mg(6); four equivalent Mg(4); and four Mg(5,5) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Cs(1)Mg10V2 cuboctahedra; corners with six equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with four equivalent Mg(4)Mg12 cuboctahedra; edges with eight Mg(5,5)CsMg10V cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with two equivalent V(1)Cs2Mg10 cuboctahedra; faces with four Mg(5,5)CsMg10V cuboctahedra; and faces with four equivalent Mg(4)Mg12 cuboctahedra. In the second Mg site, Mg(2) is bonded to two equivalent Mg(1); two equivalent Mg(7); four equivalent Mg(4); and four Mg(5,5) atoms to form MgMg12 cuboctahedra that share corners with four equivalent V(1)Cs2Mg10 cuboctahedra; corners with six equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with four equivalent Mg(4)Mg12 cuboctahedra; edges with eight Mg(5,5)CsMg10V cuboctahedra; faces with two equivalent Cs(1)Mg10V2 cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; faces with four Mg(5,5)CsMg10V cuboctahedra; and faces with four equivalent Mg(4)Mg12 cuboctahedra. In the third Mg site, Mg(3) is bonded in a 12-coordinate geometry to two equivalent Cs(1), two equivalent Mg(3), two equivalent Mg(5), two equivalent Mg(6), two equivalent Mg(7), and two equivalent V(1) atoms. In the fourth Mg site, Mg(4) is bonded to two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(4), two equivalent Mg(5), two equivalent Mg(6), and two equivalent Mg(7) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Cs(1)Mg10V2 cuboctahedra; corners with four equivalent V(1)Cs2Mg10 cuboctahedra; corners with six equivalent Mg(4)Mg12 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Mg(4)Mg12 cuboctahedra; edges with four Mg(5,5)CsMg10V cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with two equivalent Mg(4)Mg12 cuboctahedra; and faces with eight Mg(5,5)CsMg10V cuboctahedra. In the fifth Mg site, Mg(3) is bonded in a 12-coordinate geometry to two equivalent Cs(1); two equivalent Mg(3); two Mg(5,5); two equivalent Mg(6); two equivalent Mg(7); and two equivalent V(1) atoms. In the sixth Mg site, Mg(5) is bonded to one Cs(1), one Mg(1), one Mg(2), one Mg(3), one Mg(4), two equivalent Mg(5), two equivalent Mg(6), two equivalent Mg(7), and one V(1) atom to form distorted MgCsMg10V cuboctahedra that share corners with ten Mg(5,5)CsMg10V cuboctahedra; edges with two equivalent Cs(1)Mg10V2 cuboctahedra; edges with two equivalent Mg(5)CsMg10V cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Mg(4)Mg12 cuboctahedra; edges with two equivalent V(1)Cs2Mg10 cuboctahedra;  a faceface with one Cs(1)Mg10V2 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one V(1)Cs2Mg10 cuboctahedra; faces with four Mg(5,5)CsMg10V cuboctahedra; and faces with four equivalent Mg(4)Mg12 cuboctahedra. In the seventh Mg site, Mg(5) is bonded to one Cs(1), one Mg(1), one Mg(2), one Mg(3), one Mg(4), two equivalent Mg(5), two equivalent Mg(6), two equivalent Mg(7), and one V(1) atom to form distorted MgCsMg10V cuboctahedra that share corners with ten equivalent Mg(5)CsMg10V cuboctahedra, edges with two equivalent Cs(1)Mg10V2 cuboctahedra, edges with two equivalent Mg(5)CsMg10V cuboctahedra, edges with two equivalent Mg(1)Mg12 cuboctahedra, edges with two equivalent Mg(2)Mg12 cuboctahedra, edges with two equivalent Mg(4)Mg12 cuboctahedra, edges with two equivalent V(1)Cs2Mg10 cuboctahedra,  a faceface with one Cs(1)Mg10V2 cuboctahedra,  a faceface with one Mg(1)Mg12 cuboctahedra,  a faceface with one Mg(2)Mg12 cuboctahedra,  a faceface with one V(1)Cs2Mg10 cuboctahedra, faces with four equivalent Mg(5)CsMg10V cuboctahedra, and faces with four equivalent Mg(4)Mg12 cuboctahedra. In the eighth Mg site, Mg(6) is bonded in a 12-coordinate geometry to one Mg(1); two Mg(3,3); two equivalent Mg(4); two equivalent Mg(7); four Mg(5,5); and one V(1) atom. In the ninth Mg site, Mg(7) is bonded in a 12-coordinate geometry to one Cs(1); one Mg(2); two Mg(3,3); two equivalent Mg(4); two equivalent Mg(6); and four Mg(5,5) atoms. In the tenth Mg site, Mg(3) is bonded in a 12-coordinate geometry to two equivalent Cs(1), two equivalent Mg(3), two equivalent Mg(5), two equivalent Mg(6), two equivalent Mg(7), and two equivalent V(1) atoms. V(1) is bonded to two equivalent Cs(1); two equivalent Mg(6); four Mg(3,3,3); and four Mg(5,5) atoms to form VCs2Mg10 cuboctahedra that share corners with four equivalent Mg(2)Mg12 cuboctahedra; corners with six equivalent V(1)Cs2Mg10 cuboctahedra; corners with eight equivalent Mg(4)Mg12 cuboctahedra; edges with two equivalent Cs(1)Mg10V2 cuboctahedra; edges with eight Mg(5,5)CsMg10V cuboctahedra; faces with two equivalent Cs(1)Mg10V2 cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; and faces with four Mg(5,5)CsMg10V cuboctahedra.
CsMg14V crystallizes in the orthorhombic Amm2 space group. Cs(1) is bonded to two equivalent Mg(7); four Mg(3,3,3); four Mg(5,5); and two equivalent V(1) atoms to form CsMg10V2 cuboctahedra that share corners with four equivalent Mg(1)Mg12 cuboctahedra; corners with six equivalent Cs(1)Mg10V2 cuboctahedra; corners with eight equivalent Mg(4)Mg12 cuboctahedra; edges with two equivalent V(1)Cs2Mg10 cuboctahedra; edges with eight Mg(5,5)CsMg10V cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with two equivalent V(1)Cs2Mg10 cuboctahedra; and faces with four Mg(5,5)CsMg10V cuboctahedra. Both Cs(1)-Mg(7) bond lengths are 3.47 Å. There are two shorter (3.21 Å) and two longer (3.25 Å) Cs(1)-Mg(3,3,3) bond lengths. All Cs(1)-Mg(5,5) bond lengths are 3.46 Å. Both Cs(1)-V(1) bond lengths are 3.27 Å. There are ten inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to two equivalent Mg(2); two equivalent Mg(6); four equivalent Mg(4); and four Mg(5,5) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Cs(1)Mg10V2 cuboctahedra; corners with six equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with four equivalent Mg(4)Mg12 cuboctahedra; edges with eight Mg(5,5)CsMg10V cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with two equivalent V(1)Cs2Mg10 cuboctahedra; faces with four Mg(5,5)CsMg10V cuboctahedra; and faces with four equivalent Mg(4)Mg12 cuboctahedra. Both Mg(1)-Mg(2) bond lengths are 3.27 Å. Both Mg(1)-Mg(6) bond lengths are 3.33 Å. There are two shorter (3.20 Å) and two longer (3.26 Å) Mg(1)-Mg(4) bond lengths. All Mg(1)-Mg(5,5) bond lengths are 3.13 Å. In the second Mg site, Mg(2) is bonded to two equivalent Mg(1); two equivalent Mg(7); four equivalent Mg(4); and four Mg(5,5) atoms to form MgMg12 cuboctahedra that share corners with four equivalent V(1)Cs2Mg10 cuboctahedra; corners with six equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with four equivalent Mg(4)Mg12 cuboctahedra; edges with eight Mg(5,5)CsMg10V cuboctahedra; faces with two equivalent Cs(1)Mg10V2 cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; faces with four Mg(5,5)CsMg10V cuboctahedra; and faces with four equivalent Mg(4)Mg12 cuboctahedra. Both Mg(2)-Mg(7) bond lengths are 3.11 Å. There are two shorter (3.21 Å) and two longer (3.25 Å) Mg(2)-Mg(4) bond lengths. All Mg(2)-Mg(5,5) bond lengths are 3.20 Å. In the third Mg site, Mg(3) is bonded in a 12-coordinate geometry to two equivalent Cs(1), two equivalent Mg(3), two equivalent Mg(5), two equivalent Mg(6), two equivalent Mg(7), and two equivalent V(1) atoms. There is one shorter (3.24 Å) and one longer (3.29 Å) Mg(3)-Mg(3) bond length. Both Mg(3)-Mg(5) bond lengths are 3.37 Å. Both Mg(3)-Mg(6) bond lengths are 3.21 Å. Both Mg(3)-Mg(7) bond lengths are 3.46 Å. There is one shorter (3.12 Å) and one longer (3.34 Å) Mg(3)-V(1) bond length. In the fourth Mg site, Mg(4) is bonded to two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(4), two equivalent Mg(5), two equivalent Mg(6), and two equivalent Mg(7) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Cs(1)Mg10V2 cuboctahedra; corners with four equivalent V(1)Cs2Mg10 cuboctahedra; corners with six equivalent Mg(4)Mg12 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Mg(4)Mg12 cuboctahedra; edges with four Mg(5,5)CsMg10V cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with two equivalent Mg(4)Mg12 cuboctahedra; and faces with eight Mg(5,5)CsMg10V cuboctahedra. There is one shorter (3.21 Å) and one longer (3.32 Å) Mg(4)-Mg(4) bond length. Both Mg(4)-Mg(5) bond lengths are 3.13 Å. Both Mg(4)-Mg(6) bond lengths are 3.36 Å. Both Mg(4)-Mg(7) bond lengths are 3.08 Å. In the fifth Mg site, Mg(3) is bonded in a 12-coordinate geometry to two equivalent Cs(1); two equivalent Mg(3); two Mg(5,5); two equivalent Mg(6); two equivalent Mg(7); and two equivalent V(1) atoms. There is one shorter (3.24 Å) and one longer (3.29 Å) Mg(3)-Mg(3) bond length. Both Mg(3)-Mg(5,5) bond lengths are 3.37 Å. Both Mg(3)-Mg(6) bond lengths are 3.21 Å. Both Mg(3)-Mg(7) bond lengths are 3.46 Å. There is one shorter (3.12 Å) and one longer (3.34 Å) Mg(3)-V(1) bond length. In the sixth Mg site, Mg(5) is bonded to one Cs(1), one Mg(1), one Mg(2), one Mg(3), one Mg(4), two equivalent Mg(5), two equivalent Mg(6), two equivalent Mg(7), and one V(1) atom to form distorted MgCsMg10V cuboctahedra that share corners with ten Mg(5,5)CsMg10V cuboctahedra; edges with two equivalent Cs(1)Mg10V2 cuboctahedra; edges with two equivalent Mg(5)CsMg10V cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Mg(4)Mg12 cuboctahedra; edges with two equivalent V(1)Cs2Mg10 cuboctahedra;  a faceface with one Cs(1)Mg10V2 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one V(1)Cs2Mg10 cuboctahedra; faces with four Mg(5,5)CsMg10V cuboctahedra; and faces with four equivalent Mg(4)Mg12 cuboctahedra. There is one shorter (3.11 Å) and one longer (3.42 Å) Mg(5)-Mg(5) bond length. There is one shorter (3.19 Å) and one longer (3.29 Å) Mg(5)-Mg(6) bond length. There is one shorter (3.12 Å) and one longer (3.34 Å) Mg(5)-Mg(7) bond length. The Mg(5)-V(1) bond length is 3.35 Å. In the seventh Mg site, Mg(5) is bonded to one Cs(1), one Mg(1), one Mg(2), one Mg(3), one Mg(4), two equivalent Mg(5), two equivalent Mg(6), two equivalent Mg(7), and one V(1) atom to form distorted MgCsMg10V cuboctahedra that share corners with ten equivalent Mg(5)CsMg10V cuboctahedra, edges with two equivalent Cs(1)Mg10V2 cuboctahedra, edges with two equivalent Mg(5)CsMg10V cuboctahedra, edges with two equivalent Mg(1)Mg12 cuboctahedra, edges with two equivalent Mg(2)Mg12 cuboctahedra, edges with two equivalent Mg(4)Mg12 cuboctahedra, edges with two equivalent V(1)Cs2Mg10 cuboctahedra,  a faceface with one Cs(1)Mg10V2 cuboctahedra,  a faceface with one Mg(1)Mg12 cuboctahedra,  a faceface with one Mg(2)Mg12 cuboctahedra,  a faceface with one V(1)Cs2Mg10 cuboctahedra, faces with four equivalent Mg(5)CsMg10V cuboctahedra, and faces with four equivalent Mg(4)Mg12 cuboctahedra. The Mg(5)-Mg(4) bond length is 3.13 Å. There is one shorter (3.19 Å) and one longer (3.29 Å) Mg(5)-Mg(6) bond length. There is one shorter (3.12 Å) and one longer (3.34 Å) Mg(5)-Mg(7) bond length. The Mg(5)-V(1) bond length is 3.35 Å. In the eighth Mg site, Mg(6) is bonded in a 12-coordinate geometry to one Mg(1); two Mg(3,3); two equivalent Mg(4); two equivalent Mg(7); four Mg(5,5); and one V(1) atom. The Mg(6)-Mg(3) bond length is 3.21 Å. Both Mg(6)-Mg(7) bond lengths are 3.29 Å. The Mg(6)-V(1) bond length is 3.21 Å. In the ninth Mg site, Mg(7) is bonded in a 12-coordinate geometry to one Cs(1); one Mg(2); two Mg(3,3); two equivalent Mg(4); two equivalent Mg(6); and four Mg(5,5) atoms. The Mg(7)-Mg(3) bond length is 3.46 Å. In the tenth Mg site, Mg(3) is bonded in a 12-coordinate geometry to two equivalent Cs(1), two equivalent Mg(3), two equivalent Mg(5), two equivalent Mg(6), two equivalent Mg(7), and two equivalent V(1) atoms. Both Mg(3)-Mg(5) bond lengths are 3.37 Å. There is one shorter (3.12 Å) and one longer (3.34 Å) Mg(3)-V(1) bond length. V(1) is bonded to two equivalent Cs(1); two equivalent Mg(6); four Mg(3,3,3); and four Mg(5,5) atoms to form VCs2Mg10 cuboctahedra that share corners with four equivalent Mg(2)Mg12 cuboctahedra; corners with six equivalent V(1)Cs2Mg10 cuboctahedra; corners with eight equivalent Mg(4)Mg12 cuboctahedra; edges with two equivalent Cs(1)Mg10V2 cuboctahedra; edges with eight Mg(5,5)CsMg10V cuboctahedra; faces with two equivalent Cs(1)Mg10V2 cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; and faces with four Mg(5,5)CsMg10V cuboctahedra.