LaFeZnBiO6 crystallizes in the monoclinic Pc space group. La(1) is bonded in a 8-coordinate geometry to one O(1), one O(4), one O(5), one O(6), two equivalent O(2), and two equivalent O(3) atoms. 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 distorted FeO6 octahedra that share corners with six equivalent Bi(1)O6 octahedra, corners with two equivalent Zn(1)O4 trigonal pyramids, and  an edgeedge with one Zn(1)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 31-53°. Zn(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form ZnO4 trigonal pyramids that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Bi(1)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra, and  an edgeedge with one Bi(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 60-65°. Bi(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 distorted BiO6 octahedra that share corners with six equivalent Fe(1)O6 octahedra, corners with two equivalent Zn(1)O4 trigonal pyramids, and  an edgeedge with one Zn(1)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 31-53°. There are six inequivalent O sites. In the first O site, O(1) is bonded in a trigonal pyramidal geometry to one La(1), one Fe(1), one Zn(1), and one Bi(1) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to two equivalent La(1), one Fe(1), one Zn(1), and one Bi(1) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to two equivalent La(1), one Fe(1), one Zn(1), and one Bi(1) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one La(1), one Fe(1), one Zn(1), and one Bi(1) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one La(1), one Fe(1), and one Bi(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one La(1), one Fe(1), and one Bi(1) atom.
LaFeZnBiO6 crystallizes in the monoclinic Pc space group. La(1) is bonded in a 8-coordinate geometry to one O(1), one O(4), one O(5), one O(6), two equivalent O(2), and two equivalent O(3) atoms. The La(1)-O(1) bond length is 2.50 Å. The La(1)-O(4) bond length is 2.43 Å. The La(1)-O(5) bond length is 2.46 Å. The La(1)-O(6) bond length is 2.36 Å. There is one shorter (2.67 Å) and one longer (2.84 Å) La(1)-O(2) bond length. There is one shorter (2.54 Å) and one longer (2.85 Å) La(1)-O(3) bond length. 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 distorted FeO6 octahedra that share corners with six equivalent Bi(1)O6 octahedra, corners with two equivalent Zn(1)O4 trigonal pyramids, and  an edgeedge with one Zn(1)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 31-53°. The Fe(1)-O(1) bond length is 2.05 Å. The Fe(1)-O(2) bond length is 2.48 Å. The Fe(1)-O(3) bond length is 2.08 Å. The Fe(1)-O(4) bond length is 2.03 Å. The Fe(1)-O(5) bond length is 1.92 Å. The Fe(1)-O(6) bond length is 1.98 Å. Zn(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form ZnO4 trigonal pyramids that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Bi(1)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra, and  an edgeedge with one Bi(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 60-65°. The Zn(1)-O(1) bond length is 1.96 Å. The Zn(1)-O(2) bond length is 2.00 Å. The Zn(1)-O(3) bond length is 1.99 Å. The Zn(1)-O(4) bond length is 2.29 Å. Bi(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 distorted BiO6 octahedra that share corners with six equivalent Fe(1)O6 octahedra, corners with two equivalent Zn(1)O4 trigonal pyramids, and  an edgeedge with one Zn(1)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 31-53°. The Bi(1)-O(1) bond length is 2.29 Å. The Bi(1)-O(2) bond length is 2.27 Å. The Bi(1)-O(3) bond length is 2.63 Å. The Bi(1)-O(4) bond length is 2.27 Å. The Bi(1)-O(5) bond length is 2.22 Å. The Bi(1)-O(6) bond length is 2.15 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a trigonal pyramidal geometry to one La(1), one Fe(1), one Zn(1), and one Bi(1) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to two equivalent La(1), one Fe(1), one Zn(1), and one Bi(1) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to two equivalent La(1), one Fe(1), one Zn(1), and one Bi(1) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one La(1), one Fe(1), one Zn(1), and one Bi(1) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one La(1), one Fe(1), and one Bi(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one La(1), one Fe(1), and one Bi(1) atom.