MgLa4Ti4O10 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a square co-planar geometry to one O(1), one O(2), one O(3), and one O(4) atom. There are four inequivalent La sites. In the first La site, La(1) is bonded in a 9-coordinate geometry to one O(1), one O(10), one O(2), one O(3), one O(4), one O(7), one O(9), and two equivalent O(5) atoms. In the second La site, La(2) is bonded in a 9-coordinate geometry to one O(1), one O(10), one O(2), one O(3), one O(4), one O(8), one O(9), and two equivalent O(6) atoms. In the third La site, La(3) is bonded in a 5-coordinate geometry to one O(10), one O(5), one O(9), and two equivalent O(7) atoms. In the fourth La site, La(4) is bonded in a 5-coordinate geometry to one O(10), one O(6), one O(9), and two equivalent O(8) atoms. There are four inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form corner-sharing TiO6 octahedra. The corner-sharing octahedral tilt angles range from 12-14°. In the second Ti site, Ti(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(7), and one O(8) atom to form corner-sharing TiO6 octahedra. The corner-sharing octahedral tilt angles range from 12-14°. In the third Ti site, Ti(3) is bonded in a rectangular see-saw-like geometry to one O(10), one O(5), one O(8), and one O(9) atom. In the fourth Ti site, Ti(4) is bonded in a rectangular see-saw-like geometry to one O(10), one O(6), one O(7), and one O(9) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Mg(1), one La(1), one La(2), one Ti(1), and one Ti(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Mg(1), one La(1), one La(2), one Ti(1), and one Ti(2) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Mg(1), one La(1), one La(2), one Ti(1), and one Ti(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Mg(1), one La(1), one La(2), one Ti(1), and one Ti(2) atom. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one La(3), two equivalent La(1), one Ti(1), and one Ti(3) atom. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one La(4), two equivalent La(2), one Ti(1), and one Ti(4) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one La(1), two equivalent La(3), one Ti(2), and one Ti(4) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one La(2), two equivalent La(4), one Ti(2), and one Ti(3) atom. In the ninth O site, O(9) is bonded in a distorted square co-planar geometry to one La(1), one La(2), one La(3), one La(4), one Ti(3), and one Ti(4) atom. In the tenth O site, O(10) is bonded in a distorted square co-planar geometry to one La(1), one La(2), one La(3), one La(4), one Ti(3), and one Ti(4) atom.
MgLa4Ti4O10 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a square co-planar geometry to one O(1), one O(2), one O(3), and one O(4) atom. The Mg(1)-O(1) bond length is 2.01 Å. The Mg(1)-O(2) bond length is 2.00 Å. The Mg(1)-O(3) bond length is 2.00 Å. The Mg(1)-O(4) bond length is 2.00 Å. There are four inequivalent La sites. In the first La site, La(1) is bonded in a 9-coordinate geometry to one O(1), one O(10), one O(2), one O(3), one O(4), one O(7), one O(9), and two equivalent O(5) atoms. The La(1)-O(1) bond length is 2.94 Å. The La(1)-O(10) bond length is 3.07 Å. The La(1)-O(2) bond length is 2.68 Å. The La(1)-O(3) bond length is 2.94 Å. The La(1)-O(4) bond length is 2.68 Å. The La(1)-O(7) bond length is 2.43 Å. The La(1)-O(9) bond length is 3.02 Å. There is one shorter (2.76 Å) and one longer (2.80 Å) La(1)-O(5) bond length. In the second La site, La(2) is bonded in a 9-coordinate geometry to one O(1), one O(10), one O(2), one O(3), one O(4), one O(8), one O(9), and two equivalent O(6) atoms. The La(2)-O(1) bond length is 2.66 Å. The La(2)-O(10) bond length is 3.04 Å. The La(2)-O(2) bond length is 2.91 Å. The La(2)-O(3) bond length is 2.65 Å. The La(2)-O(4) bond length is 2.91 Å. The La(2)-O(8) bond length is 2.43 Å. The La(2)-O(9) bond length is 3.10 Å. There is one shorter (2.77 Å) and one longer (2.80 Å) La(2)-O(6) bond length. In the third La site, La(3) is bonded in a 5-coordinate geometry to one O(10), one O(5), one O(9), and two equivalent O(7) atoms. The La(3)-O(10) bond length is 2.38 Å. The La(3)-O(5) bond length is 2.61 Å. The La(3)-O(9) bond length is 2.39 Å. There is one shorter (2.87 Å) and one longer (2.88 Å) La(3)-O(7) bond length. In the fourth La site, La(4) is bonded in a 5-coordinate geometry to one O(10), one O(6), one O(9), and two equivalent O(8) atoms. The La(4)-O(10) bond length is 2.40 Å. The La(4)-O(6) bond length is 2.58 Å. The La(4)-O(9) bond length is 2.38 Å. There is one shorter (2.86 Å) and one longer (2.87 Å) La(4)-O(8) bond length. There are four inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form corner-sharing TiO6 octahedra. The corner-sharing octahedral tilt angles range from 12-14°. The Ti(1)-O(1) bond length is 2.01 Å. The Ti(1)-O(2) bond length is 2.00 Å. The Ti(1)-O(3) bond length is 2.01 Å. The Ti(1)-O(4) bond length is 2.00 Å. The Ti(1)-O(5) bond length is 2.14 Å. The Ti(1)-O(6) bond length is 2.18 Å. In the second Ti site, Ti(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(7), and one O(8) atom to form corner-sharing TiO6 octahedra. The corner-sharing octahedral tilt angles range from 12-14°. The Ti(2)-O(1) bond length is 2.00 Å. The Ti(2)-O(2) bond length is 2.00 Å. The Ti(2)-O(3) bond length is 2.00 Å. The Ti(2)-O(4) bond length is 2.00 Å. The Ti(2)-O(7) bond length is 2.16 Å. The Ti(2)-O(8) bond length is 2.18 Å. In the third Ti site, Ti(3) is bonded in a rectangular see-saw-like geometry to one O(10), one O(5), one O(8), and one O(9) atom. The Ti(3)-O(10) bond length is 2.12 Å. The Ti(3)-O(5) bond length is 2.03 Å. The Ti(3)-O(8) bond length is 2.06 Å. The Ti(3)-O(9) bond length is 2.11 Å. In the fourth Ti site, Ti(4) is bonded in a rectangular see-saw-like geometry to one O(10), one O(6), one O(7), and one O(9) atom. The Ti(4)-O(10) bond length is 2.11 Å. The Ti(4)-O(6) bond length is 2.03 Å. The Ti(4)-O(7) bond length is 2.08 Å. The Ti(4)-O(9) bond length is 2.11 Å. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Mg(1), one La(1), one La(2), one Ti(1), and one Ti(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Mg(1), one La(1), one La(2), one Ti(1), and one Ti(2) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Mg(1), one La(1), one La(2), one Ti(1), and one Ti(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Mg(1), one La(1), one La(2), one Ti(1), and one Ti(2) atom. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one La(3), two equivalent La(1), one Ti(1), and one Ti(3) atom. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one La(4), two equivalent La(2), one Ti(1), and one Ti(4) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one La(1), two equivalent La(3), one Ti(2), and one Ti(4) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one La(2), two equivalent La(4), one Ti(2), and one Ti(3) atom. In the ninth O site, O(9) is bonded in a distorted square co-planar geometry to one La(1), one La(2), one La(3), one La(4), one Ti(3), and one Ti(4) atom. In the tenth O site, O(10) is bonded in a distorted square co-planar geometry to one La(1), one La(2), one La(3), one La(4), one Ti(3), and one Ti(4) atom.