Eu3YMn4O12 is Orthorhombic Perovskite-derived structured and crystallizes in the monoclinic Pm space group. There are three inequivalent Eu sites. In the first Eu site, Eu(1) is bonded in a 8-coordinate geometry to one O(5), one O(6), two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. In the second Eu site, Eu(2) is bonded in a 8-coordinate geometry to one O(7), one O(8), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms. In the third Eu site, Eu(3) is bonded in a 8-coordinate geometry to one O(7), one O(8), two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms. Y(1) is bonded in a 8-coordinate geometry to one O(5), one O(6), two equivalent O(1), two equivalent O(2), and two equivalent O(4) atoms. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(6), and one O(8) atom to form corner-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 26-32°. In the second Mn site, Mn(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(7) atom to form corner-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 26-31°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Eu(1), one Eu(3), one Y(1), one Mn(1), and one Mn(2) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to one Eu(1), one Eu(2), one Y(1), one Mn(1), and one Mn(2) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Eu(1), one Eu(2), one Eu(3), one Mn(1), and one Mn(2) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Eu(2), one Eu(3), one Y(1), one Mn(1), and one Mn(2) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Eu(1), one Y(1), and two equivalent Mn(2) atoms. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Eu(1), one Y(1), and two equivalent Mn(1) atoms. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Eu(2), one Eu(3), and two equivalent Mn(2) atoms. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Eu(2), one Eu(3), and two equivalent Mn(1) atoms.
Eu3YMn4O12 is Orthorhombic Perovskite-derived structured and crystallizes in the monoclinic Pm space group. There are three inequivalent Eu sites. In the first Eu site, Eu(1) is bonded in a 8-coordinate geometry to one O(5), one O(6), two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. The Eu(1)-O(5) bond length is 2.38 Å. The Eu(1)-O(6) bond length is 2.49 Å. Both Eu(1)-O(1) bond lengths are 2.41 Å. Both Eu(1)-O(2) bond lengths are 2.60 Å. Both Eu(1)-O(3) bond lengths are 2.66 Å. In the second Eu site, Eu(2) is bonded in a 8-coordinate geometry to one O(7), one O(8), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms. The Eu(2)-O(7) bond length is 2.46 Å. The Eu(2)-O(8) bond length is 2.38 Å. Both Eu(2)-O(2) bond lengths are 2.71 Å. Both Eu(2)-O(3) bond lengths are 2.66 Å. Both Eu(2)-O(4) bond lengths are 2.40 Å. In the third Eu site, Eu(3) is bonded in a 8-coordinate geometry to one O(7), one O(8), two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms. The Eu(3)-O(7) bond length is 2.39 Å. The Eu(3)-O(8) bond length is 2.46 Å. Both Eu(3)-O(1) bond lengths are 2.75 Å. Both Eu(3)-O(3) bond lengths are 2.40 Å. Both Eu(3)-O(4) bond lengths are 2.62 Å. Y(1) is bonded in a 8-coordinate geometry to one O(5), one O(6), two equivalent O(1), two equivalent O(2), and two equivalent O(4) atoms. The Y(1)-O(5) bond length is 2.34 Å. The Y(1)-O(6) bond length is 2.30 Å. Both Y(1)-O(1) bond lengths are 2.51 Å. Both Y(1)-O(2) bond lengths are 2.35 Å. Both Y(1)-O(4) bond lengths are 2.63 Å. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(6), and one O(8) atom to form corner-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 26-32°. The Mn(1)-O(1) bond length is 2.02 Å. The Mn(1)-O(2) bond length is 2.00 Å. The Mn(1)-O(3) bond length is 2.01 Å. The Mn(1)-O(4) bond length is 1.98 Å. The Mn(1)-O(6) bond length is 1.99 Å. The Mn(1)-O(8) bond length is 2.00 Å. In the second Mn site, Mn(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(7) atom to form corner-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 26-31°. The Mn(2)-O(1) bond length is 2.01 Å. The Mn(2)-O(2) bond length is 2.08 Å. The Mn(2)-O(3) bond length is 1.99 Å. The Mn(2)-O(4) bond length is 2.07 Å. The Mn(2)-O(5) bond length is 1.98 Å. The Mn(2)-O(7) bond length is 1.99 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Eu(1), one Eu(3), one Y(1), one Mn(1), and one Mn(2) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to one Eu(1), one Eu(2), one Y(1), one Mn(1), and one Mn(2) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Eu(1), one Eu(2), one Eu(3), one Mn(1), and one Mn(2) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Eu(2), one Eu(3), one Y(1), one Mn(1), and one Mn(2) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Eu(1), one Y(1), and two equivalent Mn(2) atoms. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Eu(1), one Y(1), and two equivalent Mn(1) atoms. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Eu(2), one Eu(3), and two equivalent Mn(2) atoms. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Eu(2), one Eu(3), and two equivalent Mn(1) atoms.