BaMg5La7Nb3O24 is Orthorhombic Perovskite-derived structured and crystallizes in the monoclinic Cm space group. Ba(1) is bonded in a 7-coordinate geometry to one O(15), two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms. There are five inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to one O(16), one O(2), two equivalent O(11), and two equivalent O(6) atoms to form MgO6 octahedra that share  a cornercorner with one Nb(1)O6 octahedra,  a cornercorner with one Nb(3)O6 octahedra, corners with two equivalent Mg(3)O6 octahedra, and corners with two equivalent Nb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 24-33°. In the second Mg site, Mg(2) is bonded to one O(13), one O(7), two equivalent O(1), and two equivalent O(14) atoms to form MgO6 octahedra that share  a cornercorner with one Mg(3)O6 octahedra,  a cornercorner with one Nb(2)O6 octahedra, corners with two equivalent Nb(1)O6 octahedra, and corners with two equivalent Nb(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 20-29°. In the third Mg site, Mg(3) is bonded to one O(12), one O(13), two equivalent O(11), and two equivalent O(9) atoms to form corner-sharing MgO6 octahedra. The corner-sharing octahedral tilt angles range from 22-29°. In the fourth Mg site, Mg(4) is bonded to one O(12), one O(3), two equivalent O(4), and two equivalent O(5) atoms to form MgO6 octahedra that share  a cornercorner with one Mg(3)O6 octahedra,  a cornercorner with one Nb(1)O6 octahedra, corners with two equivalent Nb(2)O6 octahedra, and corners with two equivalent Nb(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 22-29°. In the fifth Mg site, Mg(5) is bonded to one O(15), one O(8), two equivalent O(10), and two equivalent O(9) atoms to form MgO6 octahedra that share  a cornercorner with one Nb(2)O6 octahedra,  a cornercorner with one Nb(3)O6 octahedra, corners with two equivalent Mg(3)O6 octahedra, and corners with two equivalent Nb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 19-32°. There are seven inequivalent La sites. In the first La site, La(1) is bonded in a 11-coordinate geometry to one O(13), two equivalent O(1), two equivalent O(10), two equivalent O(11), two equivalent O(2), and two equivalent O(6) atoms. In the second La site, La(2) is bonded in a 5-coordinate geometry to one O(16), two equivalent O(1), and two equivalent O(4) atoms. In the third La site, La(3) is bonded in a 9-coordinate geometry to one O(8), two equivalent O(11), two equivalent O(12), two equivalent O(5), and two equivalent O(9) atoms. In the fourth La site, La(4) is bonded in a 5-coordinate geometry to one O(3), two equivalent O(14), and two equivalent O(9) atoms. In the fifth La site, La(5) is bonded in a 11-coordinate geometry to one O(12), two equivalent O(10), two equivalent O(4), two equivalent O(6), two equivalent O(8), and two equivalent O(9) atoms. In the sixth La site, La(6) is bonded in a 5-coordinate geometry to one O(2), two equivalent O(14), and two equivalent O(9) atoms. In the seventh La site, La(7) is bonded in a 5-coordinate geometry to one O(7), two equivalent O(11), and two equivalent O(5) atoms. There are three inequivalent Nb sites. In the first Nb site, Nb(1) is bonded to one O(2), one O(3), two equivalent O(1), and two equivalent O(10) atoms to form NbO6 octahedra that share  a cornercorner with one Mg(1)O6 octahedra,  a cornercorner with one Mg(4)O6 octahedra, corners with two equivalent Mg(2)O6 octahedra, and corners with two equivalent Mg(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 20-33°. In the second Nb site, Nb(2) is bonded to one O(7), one O(8), two equivalent O(4), and two equivalent O(6) atoms to form NbO6 octahedra that share  a cornercorner with one Mg(2)O6 octahedra,  a cornercorner with one Mg(5)O6 octahedra, corners with two equivalent Mg(1)O6 octahedra, and corners with two equivalent Mg(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 22-32°. In the third Nb site, Nb(3) is bonded to one O(15), one O(16), two equivalent O(14), and two equivalent O(5) atoms to form NbO6 octahedra that share  a cornercorner with one Mg(1)O6 octahedra,  a cornercorner with one Mg(5)O6 octahedra, corners with two equivalent Mg(2)O6 octahedra, and corners with two equivalent Mg(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 19-33°. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Ba(1), one Mg(2), one La(1), one La(2), and one Nb(1) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to one Mg(1), one La(6), two equivalent La(1), and one Nb(1) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to two equivalent Ba(1), one Mg(4), one La(4), and one Nb(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Ba(1), one Mg(4), one La(2), one La(5), and one Nb(2) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Mg(4), one La(3), one La(7), and one Nb(3) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Mg(1), one La(1), one La(5), and one Nb(2) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Mg(2), one La(7), and one Nb(2) atom. In the eighth O site, O(8) is bonded in a 5-coordinate geometry to one Mg(5), one La(3), two equivalent La(5), and one Nb(2) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Mg(3), one Mg(5), one La(3), one La(4), one La(5), and one La(6) atom. In the tenth O site, O(10) is bonded in a 2-coordinate geometry to one Mg(5), one La(1), one La(5), and one Nb(1) atom. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Mg(1), one Mg(3), one La(1), one La(3), and one La(7) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Mg(3), one Mg(4), one La(5), and two equivalent La(3) atoms. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Mg(2), one Mg(3), and one La(1) atom. In the fourteenth O site, O(14) is bonded in a 4-coordinate geometry to one Mg(2), one La(4), one La(6), and one Nb(3) atom. In the fifteenth O site, O(15) is bonded in a 3-coordinate geometry to one Ba(1), one Mg(5), and one Nb(3) atom. In the sixteenth O site, O(16) is bonded in a 3-coordinate geometry to one Mg(1), one La(2), and one Nb(3) atom.
BaMg5La7Nb3O24 is Orthorhombic Perovskite-derived structured and crystallizes in the monoclinic Cm space group. Ba(1) is bonded in a 7-coordinate geometry to one O(15), two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms. The Ba(1)-O(15) bond length is 2.55 Å. Both Ba(1)-O(1) bond lengths are 2.69 Å. Both Ba(1)-O(3) bond lengths are 2.89 Å. Both Ba(1)-O(4) bond lengths are 2.72 Å. There are five inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to one O(16), one O(2), two equivalent O(11), and two equivalent O(6) atoms to form MgO6 octahedra that share  a cornercorner with one Nb(1)O6 octahedra,  a cornercorner with one Nb(3)O6 octahedra, corners with two equivalent Mg(3)O6 octahedra, and corners with two equivalent Nb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 24-33°. The Mg(1)-O(16) bond length is 2.20 Å. The Mg(1)-O(2) bond length is 2.13 Å. Both Mg(1)-O(11) bond lengths are 2.04 Å. Both Mg(1)-O(6) bond lengths are 2.07 Å. In the second Mg site, Mg(2) is bonded to one O(13), one O(7), two equivalent O(1), and two equivalent O(14) atoms to form MgO6 octahedra that share  a cornercorner with one Mg(3)O6 octahedra,  a cornercorner with one Nb(2)O6 octahedra, corners with two equivalent Nb(1)O6 octahedra, and corners with two equivalent Nb(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 20-29°. The Mg(2)-O(13) bond length is 2.07 Å. The Mg(2)-O(7) bond length is 2.19 Å. Both Mg(2)-O(1) bond lengths are 2.08 Å. Both Mg(2)-O(14) bond lengths are 2.07 Å. In the third Mg site, Mg(3) is bonded to one O(12), one O(13), two equivalent O(11), and two equivalent O(9) atoms to form corner-sharing MgO6 octahedra. The corner-sharing octahedral tilt angles range from 22-29°. The Mg(3)-O(12) bond length is 2.08 Å. The Mg(3)-O(13) bond length is 2.08 Å. Both Mg(3)-O(11) bond lengths are 2.08 Å. Both Mg(3)-O(9) bond lengths are 2.08 Å. In the fourth Mg site, Mg(4) is bonded to one O(12), one O(3), two equivalent O(4), and two equivalent O(5) atoms to form MgO6 octahedra that share  a cornercorner with one Mg(3)O6 octahedra,  a cornercorner with one Nb(1)O6 octahedra, corners with two equivalent Nb(2)O6 octahedra, and corners with two equivalent Nb(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 22-29°. The Mg(4)-O(12) bond length is 2.04 Å. The Mg(4)-O(3) bond length is 2.17 Å. Both Mg(4)-O(4) bond lengths are 2.13 Å. Both Mg(4)-O(5) bond lengths are 2.11 Å. In the fifth Mg site, Mg(5) is bonded to one O(15), one O(8), two equivalent O(10), and two equivalent O(9) atoms to form MgO6 octahedra that share  a cornercorner with one Nb(2)O6 octahedra,  a cornercorner with one Nb(3)O6 octahedra, corners with two equivalent Mg(3)O6 octahedra, and corners with two equivalent Nb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 19-32°. The Mg(5)-O(15) bond length is 2.13 Å. The Mg(5)-O(8) bond length is 2.11 Å. Both Mg(5)-O(10) bond lengths are 2.10 Å. Both Mg(5)-O(9) bond lengths are 2.05 Å. There are seven inequivalent La sites. In the first La site, La(1) is bonded in a 11-coordinate geometry to one O(13), two equivalent O(1), two equivalent O(10), two equivalent O(11), two equivalent O(2), and two equivalent O(6) atoms. The La(1)-O(13) bond length is 2.26 Å. Both La(1)-O(1) bond lengths are 3.15 Å. Both La(1)-O(10) bond lengths are 2.67 Å. Both La(1)-O(11) bond lengths are 3.03 Å. Both La(1)-O(2) bond lengths are 2.88 Å. Both La(1)-O(6) bond lengths are 2.54 Å. In the second La site, La(2) is bonded in a 5-coordinate geometry to one O(16), two equivalent O(1), and two equivalent O(4) atoms. The La(2)-O(16) bond length is 2.35 Å. Both La(2)-O(1) bond lengths are 2.47 Å. Both La(2)-O(4) bond lengths are 2.50 Å. In the third La site, La(3) is bonded in a 9-coordinate geometry to one O(8), two equivalent O(11), two equivalent O(12), two equivalent O(5), and two equivalent O(9) atoms. The La(3)-O(8) bond length is 2.43 Å. Both La(3)-O(11) bond lengths are 2.41 Å. Both La(3)-O(12) bond lengths are 2.92 Å. Both La(3)-O(5) bond lengths are 2.64 Å. Both La(3)-O(9) bond lengths are 3.00 Å. In the fourth La site, La(4) is bonded in a 5-coordinate geometry to one O(3), two equivalent O(14), and two equivalent O(9) atoms. The La(4)-O(3) bond length is 2.65 Å. Both La(4)-O(14) bond lengths are 2.53 Å. Both La(4)-O(9) bond lengths are 2.37 Å. In the fifth La site, La(5) is bonded in a 11-coordinate geometry to one O(12), two equivalent O(10), two equivalent O(4), two equivalent O(6), two equivalent O(8), and two equivalent O(9) atoms. The La(5)-O(12) bond length is 2.24 Å. Both La(5)-O(10) bond lengths are 2.66 Å. Both La(5)-O(4) bond lengths are 2.96 Å. Both La(5)-O(6) bond lengths are 2.64 Å. Both La(5)-O(8) bond lengths are 2.88 Å. Both La(5)-O(9) bond lengths are 3.06 Å. In the sixth La site, La(6) is bonded in a 5-coordinate geometry to one O(2), two equivalent O(14), and two equivalent O(9) atoms. The La(6)-O(2) bond length is 2.41 Å. Both La(6)-O(14) bond lengths are 2.59 Å. Both La(6)-O(9) bond lengths are 2.48 Å. In the seventh La site, La(7) is bonded in a 5-coordinate geometry to one O(7), two equivalent O(11), and two equivalent O(5) atoms. The La(7)-O(7) bond length is 2.50 Å. Both La(7)-O(11) bond lengths are 2.38 Å. Both La(7)-O(5) bond lengths are 2.52 Å. There are three inequivalent Nb sites. In the first Nb site, Nb(1) is bonded to one O(2), one O(3), two equivalent O(1), and two equivalent O(10) atoms to form NbO6 octahedra that share  a cornercorner with one Mg(1)O6 octahedra,  a cornercorner with one Mg(4)O6 octahedra, corners with two equivalent Mg(2)O6 octahedra, and corners with two equivalent Mg(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 20-33°. The Nb(1)-O(2) bond length is 2.04 Å. The Nb(1)-O(3) bond length is 2.02 Å. Both Nb(1)-O(1) bond lengths are 2.04 Å. Both Nb(1)-O(10) bond lengths are 2.00 Å. In the second Nb site, Nb(2) is bonded to one O(7), one O(8), two equivalent O(4), and two equivalent O(6) atoms to form NbO6 octahedra that share  a cornercorner with one Mg(2)O6 octahedra,  a cornercorner with one Mg(5)O6 octahedra, corners with two equivalent Mg(1)O6 octahedra, and corners with two equivalent Mg(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 22-32°. The Nb(2)-O(7) bond length is 2.03 Å. The Nb(2)-O(8) bond length is 2.03 Å. Both Nb(2)-O(4) bond lengths are 2.01 Å. Both Nb(2)-O(6) bond lengths are 2.01 Å. In the third Nb site, Nb(3) is bonded to one O(15), one O(16), two equivalent O(14), and two equivalent O(5) atoms to form NbO6 octahedra that share  a cornercorner with one Mg(1)O6 octahedra,  a cornercorner with one Mg(5)O6 octahedra, corners with two equivalent Mg(2)O6 octahedra, and corners with two equivalent Mg(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 19-33°. The Nb(3)-O(15) bond length is 1.97 Å. The Nb(3)-O(16) bond length is 2.05 Å. Both Nb(3)-O(14) bond lengths are 2.03 Å. Both Nb(3)-O(5) bond lengths are 2.02 Å. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Ba(1), one Mg(2), one La(1), one La(2), and one Nb(1) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to one Mg(1), one La(6), two equivalent La(1), and one Nb(1) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to two equivalent Ba(1), one Mg(4), one La(4), and one Nb(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Ba(1), one Mg(4), one La(2), one La(5), and one Nb(2) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Mg(4), one La(3), one La(7), and one Nb(3) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Mg(1), one La(1), one La(5), and one Nb(2) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Mg(2), one La(7), and one Nb(2) atom. In the eighth O site, O(8) is bonded in a 5-coordinate geometry to one Mg(5), one La(3), two equivalent La(5), and one Nb(2) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Mg(3), one Mg(5), one La(3), one La(4), one La(5), and one La(6) atom. In the tenth O site, O(10) is bonded in a 2-coordinate geometry to one Mg(5), one La(1), one La(5), and one Nb(1) atom. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Mg(1), one Mg(3), one La(1), one La(3), and one La(7) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Mg(3), one Mg(4), one La(5), and two equivalent La(3) atoms. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Mg(2), one Mg(3), and one La(1) atom. In the fourteenth O site, O(14) is bonded in a 4-coordinate geometry to one Mg(2), one La(4), one La(6), and one Nb(3) atom. In the fifteenth O site, O(15) is bonded in a 3-coordinate geometry to one Ba(1), one Mg(5), and one Nb(3) atom. In the sixteenth O site, O(16) is bonded in a 3-coordinate geometry to one Mg(1), one La(2), and one Nb(3) atom.