CsNaMg14 crystallizes in the hexagonal P-6m2 space group. Cs(1) is bonded to six equivalent Mg(2) and six Mg(3,3) atoms to form CsMg12 cuboctahedra that share corners with six equivalent Cs(1)Mg12 cuboctahedra, corners with twelve equivalent Mg(1)Na2Mg10 cuboctahedra, edges with six equivalent Mg(2)Cs2Mg10 cuboctahedra, faces with two equivalent Na(1)Mg12 cuboctahedra, faces with six equivalent Mg(2)Cs2Mg10 cuboctahedra, and faces with six equivalent Mg(4)Mg12 cuboctahedra. Na(1) is bonded to six equivalent Mg(1) and six Mg(3,3) atoms to form NaMg12 cuboctahedra that share corners with six equivalent Na(1)Mg12 cuboctahedra, corners with twelve equivalent Mg(2)Cs2Mg10 cuboctahedra, edges with six equivalent Mg(1)Na2Mg10 cuboctahedra, faces with two equivalent Cs(1)Mg12 cuboctahedra, faces with six equivalent Mg(4)Mg12 cuboctahedra, and faces with six equivalent Mg(1)Na2Mg10 cuboctahedra. There are five inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to two equivalent Na(1), two equivalent Mg(4), four equivalent Mg(1), and four equivalent Mg(3) atoms to form distorted MgNa2Mg10 cuboctahedra that share corners with four equivalent Cs(1)Mg12 cuboctahedra, corners with six equivalent Mg(1)Na2Mg10 cuboctahedra, corners with eight equivalent Mg(2)Cs2Mg10 cuboctahedra, edges with two equivalent Na(1)Mg12 cuboctahedra, edges with four equivalent Mg(4)Mg12 cuboctahedra, edges with four equivalent Mg(1)Na2Mg10 cuboctahedra, faces with two equivalent Na(1)Mg12 cuboctahedra, faces with two equivalent Mg(2)Cs2Mg10 cuboctahedra, faces with two equivalent Mg(4)Mg12 cuboctahedra, and faces with four equivalent Mg(1)Na2Mg10 cuboctahedra. In the second Mg site, Mg(2) is bonded to two equivalent Cs(1), two equivalent Mg(4), four equivalent Mg(2), and four equivalent Mg(3) atoms to form distorted MgCs2Mg10 cuboctahedra that share corners with four equivalent Na(1)Mg12 cuboctahedra, corners with six equivalent Mg(2)Cs2Mg10 cuboctahedra, corners with eight equivalent Mg(1)Na2Mg10 cuboctahedra, edges with two equivalent Cs(1)Mg12 cuboctahedra, edges with four equivalent Mg(2)Cs2Mg10 cuboctahedra, edges with four equivalent Mg(4)Mg12 cuboctahedra, faces with two equivalent Cs(1)Mg12 cuboctahedra, faces with two equivalent Mg(4)Mg12 cuboctahedra, faces with two equivalent Mg(1)Na2Mg10 cuboctahedra, and faces with four equivalent Mg(2)Cs2Mg10 cuboctahedra. In the third Mg site, Mg(3) is bonded in a 12-coordinate geometry to one Cs(1); one Na(1); two equivalent Mg(1); two equivalent Mg(2); two equivalent Mg(4); and four Mg(3,3) atoms. In the fourth Mg site, Mg(3) is bonded in a 12-coordinate geometry to one Cs(1), one Na(1), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(4), and four equivalent Mg(3) atoms. In the fifth Mg site, Mg(4) is bonded to three equivalent Mg(1); three equivalent Mg(2); and six Mg(3,3) atoms to form MgMg12 cuboctahedra that share corners with six equivalent Mg(4)Mg12 cuboctahedra, edges with six equivalent Mg(2)Cs2Mg10 cuboctahedra, edges with six equivalent Mg(1)Na2Mg10 cuboctahedra, faces with two equivalent Mg(4)Mg12 cuboctahedra, faces with three equivalent Cs(1)Mg12 cuboctahedra, faces with three equivalent Na(1)Mg12 cuboctahedra, faces with three equivalent Mg(2)Cs2Mg10 cuboctahedra, and faces with three equivalent Mg(1)Na2Mg10 cuboctahedra.
CsNaMg14 crystallizes in the hexagonal P-6m2 space group. Cs(1) is bonded to six equivalent Mg(2) and six Mg(3,3) atoms to form CsMg12 cuboctahedra that share corners with six equivalent Cs(1)Mg12 cuboctahedra, corners with twelve equivalent Mg(1)Na2Mg10 cuboctahedra, edges with six equivalent Mg(2)Cs2Mg10 cuboctahedra, faces with two equivalent Na(1)Mg12 cuboctahedra, faces with six equivalent Mg(2)Cs2Mg10 cuboctahedra, and faces with six equivalent Mg(4)Mg12 cuboctahedra. All Cs(1)-Mg(2) bond lengths are 3.35 Å. All Cs(1)-Mg(3,3) bond lengths are 3.52 Å. Na(1) is bonded to six equivalent Mg(1) and six Mg(3,3) atoms to form NaMg12 cuboctahedra that share corners with six equivalent Na(1)Mg12 cuboctahedra, corners with twelve equivalent Mg(2)Cs2Mg10 cuboctahedra, edges with six equivalent Mg(1)Na2Mg10 cuboctahedra, faces with two equivalent Cs(1)Mg12 cuboctahedra, faces with six equivalent Mg(4)Mg12 cuboctahedra, and faces with six equivalent Mg(1)Na2Mg10 cuboctahedra. All Na(1)-Mg(1) bond lengths are 3.35 Å. All Na(1)-Mg(3,3) bond lengths are 3.26 Å. There are five inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to two equivalent Na(1), two equivalent Mg(4), four equivalent Mg(1), and four equivalent Mg(3) atoms to form distorted MgNa2Mg10 cuboctahedra that share corners with four equivalent Cs(1)Mg12 cuboctahedra, corners with six equivalent Mg(1)Na2Mg10 cuboctahedra, corners with eight equivalent Mg(2)Cs2Mg10 cuboctahedra, edges with two equivalent Na(1)Mg12 cuboctahedra, edges with four equivalent Mg(4)Mg12 cuboctahedra, edges with four equivalent Mg(1)Na2Mg10 cuboctahedra, faces with two equivalent Na(1)Mg12 cuboctahedra, faces with two equivalent Mg(2)Cs2Mg10 cuboctahedra, faces with two equivalent Mg(4)Mg12 cuboctahedra, and faces with four equivalent Mg(1)Na2Mg10 cuboctahedra. Both Mg(1)-Mg(4) bond lengths are 3.37 Å. There are two shorter (3.31 Å) and two longer (3.38 Å) Mg(1)-Mg(1) bond lengths. All Mg(1)-Mg(3) bond lengths are 3.16 Å. In the second Mg site, Mg(2) is bonded to two equivalent Cs(1), two equivalent Mg(4), four equivalent Mg(2), and four equivalent Mg(3) atoms to form distorted MgCs2Mg10 cuboctahedra that share corners with four equivalent Na(1)Mg12 cuboctahedra, corners with six equivalent Mg(2)Cs2Mg10 cuboctahedra, corners with eight equivalent Mg(1)Na2Mg10 cuboctahedra, edges with two equivalent Cs(1)Mg12 cuboctahedra, edges with four equivalent Mg(2)Cs2Mg10 cuboctahedra, edges with four equivalent Mg(4)Mg12 cuboctahedra, faces with two equivalent Cs(1)Mg12 cuboctahedra, faces with two equivalent Mg(4)Mg12 cuboctahedra, faces with two equivalent Mg(1)Na2Mg10 cuboctahedra, and faces with four equivalent Mg(2)Cs2Mg10 cuboctahedra. Both Mg(2)-Mg(4) bond lengths are 3.31 Å. There are two shorter (3.31 Å) and two longer (3.38 Å) Mg(2)-Mg(2) bond lengths. All Mg(2)-Mg(3) bond lengths are 3.42 Å. In the third Mg site, Mg(3) is bonded in a 12-coordinate geometry to one Cs(1); one Na(1); two equivalent Mg(1); two equivalent Mg(2); two equivalent Mg(4); and four Mg(3,3) atoms. Both Mg(3)-Mg(4) bond lengths are 3.35 Å. There are two shorter (3.17 Å) and two longer (3.53 Å) Mg(3)-Mg(3,3) bond lengths. In the fourth Mg site, Mg(3) is bonded in a 12-coordinate geometry to one Cs(1), one Na(1), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(4), and four equivalent Mg(3) atoms. Both Mg(3)-Mg(1) bond lengths are 3.16 Å. Both Mg(3)-Mg(2) bond lengths are 3.42 Å. Both Mg(3)-Mg(4) bond lengths are 3.35 Å. In the fifth Mg site, Mg(4) is bonded to three equivalent Mg(1); three equivalent Mg(2); and six Mg(3,3) atoms to form MgMg12 cuboctahedra that share corners with six equivalent Mg(4)Mg12 cuboctahedra, edges with six equivalent Mg(2)Cs2Mg10 cuboctahedra, edges with six equivalent Mg(1)Na2Mg10 cuboctahedra, faces with two equivalent Mg(4)Mg12 cuboctahedra, faces with three equivalent Cs(1)Mg12 cuboctahedra, faces with three equivalent Na(1)Mg12 cuboctahedra, faces with three equivalent Mg(2)Cs2Mg10 cuboctahedra, and faces with three equivalent Mg(1)Na2Mg10 cuboctahedra.