SrPr2Mn3O9 is Orthorhombic Perovskite-derived structured and crystallizes in the monoclinic C2/c space group. Sr(1) is bonded in a 12-coordinate geometry to two equivalent O(1), two equivalent O(2), two equivalent O(4), two equivalent O(5), and four equivalent O(3) atoms. Pr(1) is bonded in a 12-coordinate geometry to one O(5), two equivalent O(3), three equivalent O(1), three equivalent O(2), and three 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(4), one O(5), and two equivalent O(3) atoms to form corner-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 15-25°. In the second Mn site, Mn(2) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(4) atoms to form corner-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 19-25°. There are five inequivalent O sites. In the first O site, O(4) is bonded in a 3-coordinate geometry to one Sr(1), three equivalent Pr(1), one Mn(1), and one Mn(2) atom. In the second O site, O(5) is bonded in a 3-coordinate geometry to two equivalent Sr(1), two equivalent Pr(1), and two equivalent Mn(1) atoms. In the third O site, O(1) is bonded in a 4-coordinate geometry to one Sr(1), three equivalent Pr(1), one Mn(1), and one Mn(2) atom. In the fourth O site, O(2) is bonded in a 2-coordinate geometry to one Sr(1), three equivalent Pr(1), one Mn(1), and one Mn(2) atom. In the fifth O site, O(3) is bonded in a 2-coordinate geometry to two equivalent Sr(1), two equivalent Pr(1), and two equivalent Mn(1) atoms.
SrPr2Mn3O9 is Orthorhombic Perovskite-derived structured and crystallizes in the monoclinic C2/c space group. Sr(1) is bonded in a 12-coordinate geometry to two equivalent O(1), two equivalent O(2), two equivalent O(4), two equivalent O(5), and four equivalent O(3) atoms. Both Sr(1)-O(1) bond lengths are 2.97 Å. Both Sr(1)-O(2) bond lengths are 2.70 Å. Both Sr(1)-O(4) bond lengths are 2.85 Å. There is one shorter (2.51 Å) and one longer (3.09 Å) Sr(1)-O(5) bond length. There are two shorter (2.58 Å) and two longer (2.99 Å) Sr(1)-O(3) bond lengths. Pr(1) is bonded in a 12-coordinate geometry to one O(5), two equivalent O(3), three equivalent O(1), three equivalent O(2), and three equivalent O(4) atoms. The Pr(1)-O(5) bond length is 2.78 Å. There is one shorter (2.57 Å) and one longer (2.94 Å) Pr(1)-O(3) bond length. There are a spread of Pr(1)-O(1) bond distances ranging from 2.44-3.13 Å. There are a spread of Pr(1)-O(2) bond distances ranging from 2.44-3.13 Å. There are a spread of Pr(1)-O(4) bond distances ranging from 2.41-3.19 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(4), one O(5), and two equivalent O(3) atoms to form corner-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 15-25°. The Mn(1)-O(1) bond length is 2.01 Å. The Mn(1)-O(2) bond length is 2.01 Å. The Mn(1)-O(4) bond length is 2.01 Å. The Mn(1)-O(5) bond length is 1.97 Å. There is one shorter (1.97 Å) and one longer (1.99 Å) Mn(1)-O(3) bond length. In the second Mn site, Mn(2) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(4) atoms to form corner-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 19-25°. Both Mn(2)-O(1) bond lengths are 1.99 Å. Both Mn(2)-O(2) bond lengths are 1.99 Å. Both Mn(2)-O(4) bond lengths are 1.99 Å. There are five inequivalent O sites. In the first O site, O(4) is bonded in a 3-coordinate geometry to one Sr(1), three equivalent Pr(1), one Mn(1), and one Mn(2) atom. In the second O site, O(5) is bonded in a 3-coordinate geometry to two equivalent Sr(1), two equivalent Pr(1), and two equivalent Mn(1) atoms. In the third O site, O(1) is bonded in a 4-coordinate geometry to one Sr(1), three equivalent Pr(1), one Mn(1), and one Mn(2) atom. In the fourth O site, O(2) is bonded in a 2-coordinate geometry to one Sr(1), three equivalent Pr(1), one Mn(1), and one Mn(2) atom. In the fifth O site, O(3) is bonded in a 2-coordinate geometry to two equivalent Sr(1), two equivalent Pr(1), and two equivalent Mn(1) atoms.