Sr2Gd(FeO3)3 is Orthorhombic Perovskite-derived structured and crystallizes in the monoclinic C2/c space group. Sr(1) is bonded in a 12-coordinate geometry to one O(2), two equivalent O(5), three equivalent O(1), three equivalent O(3), and three equivalent O(4) atoms. Gd(1) is bonded in a 5-coordinate geometry to one O(2), two equivalent O(4), and two equivalent O(5) atoms. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(2), one O(3), one O(4), and two equivalent O(5) atoms to form corner-sharing FeO6 octahedra. The corner-sharing octahedral tilt angles range from 11-27°. In the second Fe site, Fe(2) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form corner-sharing FeO6 octahedra. The corner-sharing octahedral tilt angles range from 11-18°. There are five inequivalent O sites. In the first O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Sr(1), one Gd(1), and two equivalent Fe(1) atoms. In the second O site, O(1) is bonded in a 3-coordinate geometry to three equivalent Sr(1), one Fe(1), and one Fe(2) atom. In the third O site, O(2) is bonded in a 5-coordinate geometry to two equivalent Sr(1), one Gd(1), and two equivalent Fe(1) atoms. In the fourth O site, O(3) is bonded in a 2-coordinate geometry to three equivalent Sr(1), one Fe(1), and one Fe(2) atom. In the fifth O site, O(4) is bonded in a 6-coordinate geometry to three equivalent Sr(1), one Gd(1), one Fe(1), and one Fe(2) atom.
Sr2Gd(FeO3)3 is Orthorhombic Perovskite-derived structured and crystallizes in the monoclinic C2/c space group. Sr(1) is bonded in a 12-coordinate geometry to one O(2), two equivalent O(5), three equivalent O(1), three equivalent O(3), and three equivalent O(4) atoms. The Sr(1)-O(2) bond length is 2.78 Å. There is one shorter (2.62 Å) and one longer (2.90 Å) Sr(1)-O(5) bond length. There are a spread of Sr(1)-O(1) bond distances ranging from 2.52-3.05 Å. There are a spread of Sr(1)-O(3) bond distances ranging from 2.62-2.91 Å. There are a spread of Sr(1)-O(4) bond distances ranging from 2.62-3.04 Å. Gd(1) is bonded in a 5-coordinate geometry to one O(2), two equivalent O(4), and two equivalent O(5) atoms. The Gd(1)-O(2) bond length is 2.36 Å. Both Gd(1)-O(4) bond lengths are 2.47 Å. Both Gd(1)-O(5) bond lengths are 2.40 Å. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(2), one O(3), one O(4), and two equivalent O(5) atoms to form corner-sharing FeO6 octahedra. The corner-sharing octahedral tilt angles range from 11-27°. The Fe(1)-O(1) bond length is 1.96 Å. The Fe(1)-O(2) bond length is 2.01 Å. The Fe(1)-O(3) bond length is 1.95 Å. The Fe(1)-O(4) bond length is 1.98 Å. There is one shorter (1.99 Å) and one longer (2.00 Å) Fe(1)-O(5) bond length. In the second Fe site, Fe(2) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form corner-sharing FeO6 octahedra. The corner-sharing octahedral tilt angles range from 11-18°. Both Fe(2)-O(1) bond lengths are 1.97 Å. Both Fe(2)-O(3) bond lengths are 1.97 Å. Both Fe(2)-O(4) bond lengths are 1.98 Å. There are five inequivalent O sites. In the first O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Sr(1), one Gd(1), and two equivalent Fe(1) atoms. In the second O site, O(1) is bonded in a 3-coordinate geometry to three equivalent Sr(1), one Fe(1), and one Fe(2) atom. In the third O site, O(2) is bonded in a 5-coordinate geometry to two equivalent Sr(1), one Gd(1), and two equivalent Fe(1) atoms. In the fourth O site, O(3) is bonded in a 2-coordinate geometry to three equivalent Sr(1), one Fe(1), and one Fe(2) atom. In the fifth O site, O(4) is bonded in a 6-coordinate geometry to three equivalent Sr(1), one Gd(1), one Fe(1), and one Fe(2) atom.