Eu2Zr2Fe2BiO12Bi crystallizes in the orthorhombic P222 space group. The structure consists of two 7440-69-9 atoms inside a Eu2Zr2Fe2BiO12 framework. In the Eu2Zr2Fe2BiO12 framework, there are four inequivalent Eu sites. In the first Eu site, Eu(1) is bonded in a square co-planar geometry to four equivalent O(5) atoms. In the second Eu site, Eu(2) is bonded in a square co-planar geometry to four equivalent O(2) atoms. In the third Eu site, Eu(3) is bonded in a square co-planar geometry to four equivalent O(3) atoms. In the fourth Eu site, Eu(4) is bonded in a square co-planar geometry to four equivalent O(1) atoms. Zr(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 ZrO6 octahedra that share corners with six equivalent Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 29-34°. Fe(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 FeO6 octahedra that share corners with six equivalent Zr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 29-34°. There are two inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a square co-planar geometry to four equivalent O(6) atoms. In the second Bi site, Bi(2) is bonded in a square co-planar geometry to four equivalent O(4) atoms. There are six inequivalent O sites. In the first O site, O(5) is bonded in a 3-coordinate geometry to one Eu(1), one Zr(1), and one Fe(1) atom. In the second O site, O(6) is bonded in a 3-coordinate geometry to one Zr(1), one Fe(1), and one Bi(1) atom. In the third O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Eu(4), one Zr(1), and one Fe(1) atom. In the fourth O site, O(2) is bonded in a distorted T-shaped geometry to one Eu(2), one Zr(1), and one Fe(1) atom. In the fifth O site, O(3) is bonded in a 3-coordinate geometry to one Eu(3), one Zr(1), and one Fe(1) atom. In the sixth O site, O(4) is bonded in a 3-coordinate geometry to one Zr(1), one Fe(1), and one Bi(2) atom.
Eu2Zr2Fe2BiO12Bi crystallizes in the orthorhombic P222 space group. The structure consists of two 7440-69-9 atoms inside a Eu2Zr2Fe2BiO12 framework. In the Eu2Zr2Fe2BiO12 framework, there are four inequivalent Eu sites. In the first Eu site, Eu(1) is bonded in a square co-planar geometry to four equivalent O(5) atoms. All Eu(1)-O(5) bond lengths are 2.63 Å. In the second Eu site, Eu(2) is bonded in a square co-planar geometry to four equivalent O(2) atoms. All Eu(2)-O(2) bond lengths are 2.64 Å. In the third Eu site, Eu(3) is bonded in a square co-planar geometry to four equivalent O(3) atoms. All Eu(3)-O(3) bond lengths are 2.78 Å. In the fourth Eu site, Eu(4) is bonded in a square co-planar geometry to four equivalent O(1) atoms. All Eu(4)-O(1) bond lengths are 2.70 Å. Zr(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 ZrO6 octahedra that share corners with six equivalent Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 29-34°. The Zr(1)-O(1) bond length is 2.42 Å. The Zr(1)-O(2) bond length is 2.51 Å. The Zr(1)-O(3) bond length is 2.33 Å. The Zr(1)-O(4) bond length is 2.44 Å. The Zr(1)-O(5) bond length is 2.51 Å. The Zr(1)-O(6) bond length is 2.36 Å. Fe(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 FeO6 octahedra that share corners with six equivalent Zr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 29-34°. The Fe(1)-O(1) bond length is 2.48 Å. The Fe(1)-O(2) bond length is 2.62 Å. The Fe(1)-O(3) bond length is 2.37 Å. The Fe(1)-O(4) bond length is 2.48 Å. The Fe(1)-O(5) bond length is 2.62 Å. The Fe(1)-O(6) bond length is 2.38 Å. There are two inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a square co-planar geometry to four equivalent O(6) atoms. All Bi(1)-O(6) bond lengths are 2.75 Å. In the second Bi site, Bi(2) is bonded in a square co-planar geometry to four equivalent O(4) atoms. All Bi(2)-O(4) bond lengths are 2.69 Å. There are six inequivalent O sites. In the first O site, O(5) is bonded in a 3-coordinate geometry to one Eu(1), one Zr(1), and one Fe(1) atom. In the second O site, O(6) is bonded in a 3-coordinate geometry to one Zr(1), one Fe(1), and one Bi(1) atom. In the third O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Eu(4), one Zr(1), and one Fe(1) atom. In the fourth O site, O(2) is bonded in a distorted T-shaped geometry to one Eu(2), one Zr(1), and one Fe(1) atom. In the fifth O site, O(3) is bonded in a 3-coordinate geometry to one Eu(3), one Zr(1), and one Fe(1) atom. In the sixth O site, O(4) is bonded in a 3-coordinate geometry to one Zr(1), one Fe(1), and one Bi(2) atom.