La2(MgAg3)3 crystallizes in the orthorhombic C222 space group. There are three inequivalent Mg sites. In the first Mg site, Mg(1) is bonded in a 10-coordinate geometry to two equivalent Mg(3), four equivalent Ag(2), and four equivalent Ag(3) atoms. In the second Mg site, Mg(2) is bonded in a 10-coordinate geometry to two equivalent Ag(4), four equivalent Ag(1), and four equivalent Ag(3) atoms. In the third Mg site, Mg(3) is bonded in a 10-coordinate geometry to two equivalent Mg(1), four equivalent Ag(2), and four equivalent Ag(3) atoms. La(1) is bonded to three equivalent Ag(1), three equivalent Ag(2), and six equivalent Ag(3) atoms to form a mixture of distorted edge and face-sharing LaAg12 cuboctahedra. There are four inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 11-coordinate geometry to two equivalent Mg(2), three equivalent La(1), two equivalent Ag(1), two equivalent Ag(3), and two equivalent Ag(4) atoms. In the second Ag site, Ag(2) is bonded in a 11-coordinate geometry to two equivalent Mg(1), two equivalent Mg(3), three equivalent La(1), two equivalent Ag(2), and two equivalent Ag(3) atoms. In the third Ag site, Ag(3) is bonded in a 11-coordinate geometry to one Mg(1), one Mg(2), one Mg(3), three equivalent La(1), one Ag(1), one Ag(2), one Ag(4), and two equivalent Ag(3) atoms. In the fourth Ag site, Ag(4) is bonded in a distorted linear geometry to two equivalent Mg(2), four equivalent Ag(1), and four equivalent Ag(3) atoms.
La2(MgAg3)3 crystallizes in the orthorhombic C222 space group. There are three inequivalent Mg sites. In the first Mg site, Mg(1) is bonded in a 10-coordinate geometry to two equivalent Mg(3), four equivalent Ag(2), and four equivalent Ag(3) atoms. Both Mg(1)-Mg(3) bond lengths are 2.78 Å. All Mg(1)-Ag(2) bond lengths are 2.95 Å. All Mg(1)-Ag(3) bond lengths are 2.95 Å. In the second Mg site, Mg(2) is bonded in a 10-coordinate geometry to two equivalent Ag(4), four equivalent Ag(1), and four equivalent Ag(3) atoms. Both Mg(2)-Ag(4) bond lengths are 2.78 Å. All Mg(2)-Ag(1) bond lengths are 2.95 Å. All Mg(2)-Ag(3) bond lengths are 2.96 Å. In the third Mg site, Mg(3) is bonded in a 10-coordinate geometry to two equivalent Mg(1), four equivalent Ag(2), and four equivalent Ag(3) atoms. All Mg(3)-Ag(2) bond lengths are 2.95 Å. All Mg(3)-Ag(3) bond lengths are 2.95 Å. La(1) is bonded to three equivalent Ag(1), three equivalent Ag(2), and six equivalent Ag(3) atoms to form a mixture of distorted edge and face-sharing LaAg12 cuboctahedra. There is one shorter (3.10 Å) and two longer (3.39 Å) La(1)-Ag(1) bond lengths. There is one shorter (3.13 Å) and two longer (3.44 Å) La(1)-Ag(2) bond lengths. There are two shorter (3.11 Å) and four longer (3.41 Å) La(1)-Ag(3) bond lengths. There are four inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 11-coordinate geometry to two equivalent Mg(2), three equivalent La(1), two equivalent Ag(1), two equivalent Ag(3), and two equivalent Ag(4) atoms. Both Ag(1)-Ag(1) bond lengths are 3.02 Å. Both Ag(1)-Ag(3) bond lengths are 2.79 Å. Both Ag(1)-Ag(4) bond lengths are 2.95 Å. In the second Ag site, Ag(2) is bonded in a 11-coordinate geometry to two equivalent Mg(1), two equivalent Mg(3), three equivalent La(1), two equivalent Ag(2), and two equivalent Ag(3) atoms. Both Ag(2)-Ag(2) bond lengths are 3.00 Å. Both Ag(2)-Ag(3) bond lengths are 2.79 Å. In the third Ag site, Ag(3) is bonded in a 11-coordinate geometry to one Mg(1), one Mg(2), one Mg(3), three equivalent La(1), one Ag(1), one Ag(2), one Ag(4), and two equivalent Ag(3) atoms. The Ag(3)-Ag(4) bond length is 2.96 Å. Both Ag(3)-Ag(3) bond lengths are 3.01 Å. In the fourth Ag site, Ag(4) is bonded in a distorted linear geometry to two equivalent Mg(2), four equivalent Ag(1), and four equivalent Ag(3) atoms.