CsMg6Mn crystallizes in the orthorhombic Amm2 space group. Cs(1) is bonded to two equivalent Mg(4), four equivalent Mg(1), four equivalent Mg(2), and two equivalent Mn(1) atoms to form CsMg10Mn2 cuboctahedra that share corners with four equivalent Mn(1)Cs2Mg10 cuboctahedra, corners with six equivalent Cs(1)Mg10Mn2 cuboctahedra, corners with eight equivalent Mg(1)Cs2Mg8Mn2 cuboctahedra, edges with two equivalent Mn(1)Cs2Mg10 cuboctahedra, edges with four equivalent Mg(1)Cs2Mg8Mn2 cuboctahedra, faces with two equivalent Cs(1)Mg10Mn2 cuboctahedra, faces with two equivalent Mn(1)Cs2Mg10 cuboctahedra, and faces with four equivalent Mg(1)Cs2Mg8Mn2 cuboctahedra. There are four inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to two equivalent Cs(1), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(3), two equivalent Mg(4), and two equivalent Mn(1) atoms to form distorted MgCs2Mg8Mn2 cuboctahedra that share corners with four equivalent Cs(1)Mg10Mn2 cuboctahedra, corners with four equivalent Mn(1)Cs2Mg10 cuboctahedra, corners with ten equivalent Mg(1)Cs2Mg8Mn2 cuboctahedra, edges with two equivalent Cs(1)Mg10Mn2 cuboctahedra, edges with two equivalent Mg(1)Cs2Mg8Mn2 cuboctahedra, edges with two equivalent Mn(1)Cs2Mg10 cuboctahedra, faces with two equivalent Cs(1)Mg10Mn2 cuboctahedra, faces with two equivalent Mn(1)Cs2Mg10 cuboctahedra, and faces with four equivalent Mg(1)Cs2Mg8Mn2 cuboctahedra. In the second Mg site, Mg(2) is bonded in a 9-coordinate geometry to two equivalent Cs(1), one Mg(2), one Mg(4), two equivalent Mg(1), two equivalent Mg(3), and two equivalent Mn(1) atoms. In the third Mg site, Mg(3) is bonded in a 12-coordinate geometry to two equivalent Mg(4), four equivalent Mg(1), four equivalent Mg(2), and two equivalent Mn(1) atoms. In the fourth Mg site, Mg(4) is bonded in a 10-coordinate geometry to two equivalent Cs(1), two equivalent Mg(2), two equivalent Mg(3), and four equivalent Mg(1) atoms. Mn(1) is bonded to two equivalent Cs(1), two equivalent Mg(3), four equivalent Mg(1), and four equivalent Mg(2) atoms to form MnCs2Mg10 cuboctahedra that share corners with four equivalent Cs(1)Mg10Mn2 cuboctahedra, corners with six equivalent Mn(1)Cs2Mg10 cuboctahedra, corners with eight equivalent Mg(1)Cs2Mg8Mn2 cuboctahedra, edges with two equivalent Cs(1)Mg10Mn2 cuboctahedra, edges with four equivalent Mg(1)Cs2Mg8Mn2 cuboctahedra, faces with two equivalent Cs(1)Mg10Mn2 cuboctahedra, faces with two equivalent Mn(1)Cs2Mg10 cuboctahedra, and faces with four equivalent Mg(1)Cs2Mg8Mn2 cuboctahedra.
CsMg6Mn crystallizes in the orthorhombic Amm2 space group. Cs(1) is bonded to two equivalent Mg(4), four equivalent Mg(1), four equivalent Mg(2), and two equivalent Mn(1) atoms to form CsMg10Mn2 cuboctahedra that share corners with four equivalent Mn(1)Cs2Mg10 cuboctahedra, corners with six equivalent Cs(1)Mg10Mn2 cuboctahedra, corners with eight equivalent Mg(1)Cs2Mg8Mn2 cuboctahedra, edges with two equivalent Mn(1)Cs2Mg10 cuboctahedra, edges with four equivalent Mg(1)Cs2Mg8Mn2 cuboctahedra, faces with two equivalent Cs(1)Mg10Mn2 cuboctahedra, faces with two equivalent Mn(1)Cs2Mg10 cuboctahedra, and faces with four equivalent Mg(1)Cs2Mg8Mn2 cuboctahedra. Both Cs(1)-Mg(4) bond lengths are 3.43 Å. There are two shorter (3.37 Å) and two longer (3.40 Å) Cs(1)-Mg(1) bond lengths. All Cs(1)-Mg(2) bond lengths are 3.44 Å. Both Cs(1)-Mn(1) bond lengths are 3.41 Å. There are four inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to two equivalent Cs(1), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(3), two equivalent Mg(4), and two equivalent Mn(1) atoms to form distorted MgCs2Mg8Mn2 cuboctahedra that share corners with four equivalent Cs(1)Mg10Mn2 cuboctahedra, corners with four equivalent Mn(1)Cs2Mg10 cuboctahedra, corners with ten equivalent Mg(1)Cs2Mg8Mn2 cuboctahedra, edges with two equivalent Cs(1)Mg10Mn2 cuboctahedra, edges with two equivalent Mg(1)Cs2Mg8Mn2 cuboctahedra, edges with two equivalent Mn(1)Cs2Mg10 cuboctahedra, faces with two equivalent Cs(1)Mg10Mn2 cuboctahedra, faces with two equivalent Mn(1)Cs2Mg10 cuboctahedra, and faces with four equivalent Mg(1)Cs2Mg8Mn2 cuboctahedra. There is one shorter (3.37 Å) and one longer (3.46 Å) Mg(1)-Mg(1) bond length. Both Mg(1)-Mg(2) bond lengths are 3.28 Å. Both Mg(1)-Mg(3) bond lengths are 3.36 Å. Both Mg(1)-Mg(4) bond lengths are 3.27 Å. There is one shorter (3.29 Å) and one longer (3.48 Å) Mg(1)-Mn(1) bond length. In the second Mg site, Mg(2) is bonded in a 9-coordinate geometry to two equivalent Cs(1), one Mg(2), one Mg(4), two equivalent Mg(1), two equivalent Mg(3), and two equivalent Mn(1) atoms. The Mg(2)-Mg(2) bond length is 3.01 Å. The Mg(2)-Mg(4) bond length is 3.10 Å. There is one shorter (3.28 Å) and one longer (3.51 Å) Mg(2)-Mg(3) bond length. Both Mg(2)-Mn(1) bond lengths are 3.21 Å. In the third Mg site, Mg(3) is bonded in a 12-coordinate geometry to two equivalent Mg(4), four equivalent Mg(1), four equivalent Mg(2), and two equivalent Mn(1) atoms. Both Mg(3)-Mg(4) bond lengths are 3.42 Å. Both Mg(3)-Mn(1) bond lengths are 3.33 Å. In the fourth Mg site, Mg(4) is bonded in a 10-coordinate geometry to two equivalent Cs(1), two equivalent Mg(2), two equivalent Mg(3), and four equivalent Mg(1) atoms. Mn(1) is bonded to two equivalent Cs(1), two equivalent Mg(3), four equivalent Mg(1), and four equivalent Mg(2) atoms to form MnCs2Mg10 cuboctahedra that share corners with four equivalent Cs(1)Mg10Mn2 cuboctahedra, corners with six equivalent Mn(1)Cs2Mg10 cuboctahedra, corners with eight equivalent Mg(1)Cs2Mg8Mn2 cuboctahedra, edges with two equivalent Cs(1)Mg10Mn2 cuboctahedra, edges with four equivalent Mg(1)Cs2Mg8Mn2 cuboctahedra, faces with two equivalent Cs(1)Mg10Mn2 cuboctahedra, faces with two equivalent Mn(1)Cs2Mg10 cuboctahedra, and faces with four equivalent Mg(1)Cs2Mg8Mn2 cuboctahedra.