FeGa(BiO3)2 crystallizes in the triclinic P1 space group. Fe(1) is bonded to one O(2), one O(5), one O(6), and two equivalent O(4) atoms to form distorted FeO5 trigonal bipyramids that share corners with two equivalent Fe(1)O5 trigonal bipyramids and corners with two equivalent Ga(1)O5 trigonal bipyramids. Ga(1) is bonded to one O(1), one O(5), one O(6), and two equivalent O(3) atoms to form distorted GaO5 trigonal bipyramids that share corners with two equivalent Fe(1)O5 trigonal bipyramids and corners with two equivalent Ga(1)O5 trigonal bipyramids. There are two inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 7-coordinate geometry to one O(1), one O(3), one O(4), two equivalent O(2), and two equivalent O(6) atoms. In the second Bi site, Bi(2) is bonded in a 7-coordinate geometry to one O(2), one O(3), one O(4), two equivalent O(1), and two equivalent O(5) atoms. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 1-coordinate geometry to one Ga(1), one Bi(1), and two equivalent Bi(2) atoms. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Fe(1), one Bi(2), and two equivalent Bi(1) atoms. In the third O site, O(3) is bonded to two equivalent Ga(1), one Bi(1), and one Bi(2) atom to form distorted OGa2Bi2 tetrahedra that share corners with two equivalent O(3)Ga2Bi2 tetrahedra, edges with two equivalent O(5)GaFeBi2 tetrahedra, and edges with two equivalent O(6)GaFeBi2 tetrahedra. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to two equivalent Fe(1), one Bi(1), and one Bi(2) atom. In the fifth O site, O(5) is bonded to one Fe(1), one Ga(1), and two equivalent Bi(2) atoms to form distorted OGaFeBi2 tetrahedra that share corners with two equivalent O(5)GaFeBi2 tetrahedra, corners with two equivalent O(6)GaFeBi2 tetrahedra, and edges with two equivalent O(3)Ga2Bi2 tetrahedra. In the sixth O site, O(6) is bonded to one Fe(1), one Ga(1), and two equivalent Bi(1) atoms to form distorted OGaFeBi2 tetrahedra that share corners with two equivalent O(5)GaFeBi2 tetrahedra, corners with two equivalent O(6)GaFeBi2 tetrahedra, and edges with two equivalent O(3)Ga2Bi2 tetrahedra.
FeGa(BiO3)2 crystallizes in the triclinic P1 space group. Fe(1) is bonded to one O(2), one O(5), one O(6), and two equivalent O(4) atoms to form distorted FeO5 trigonal bipyramids that share corners with two equivalent Fe(1)O5 trigonal bipyramids and corners with two equivalent Ga(1)O5 trigonal bipyramids. The Fe(1)-O(2) bond length is 1.90 Å. The Fe(1)-O(5) bond length is 1.96 Å. The Fe(1)-O(6) bond length is 1.94 Å. Both Fe(1)-O(4) bond lengths are 1.94 Å. Ga(1) is bonded to one O(1), one O(5), one O(6), and two equivalent O(3) atoms to form distorted GaO5 trigonal bipyramids that share corners with two equivalent Fe(1)O5 trigonal bipyramids and corners with two equivalent Ga(1)O5 trigonal bipyramids. The Ga(1)-O(1) bond length is 1.84 Å. The Ga(1)-O(5) bond length is 1.96 Å. The Ga(1)-O(6) bond length is 1.99 Å. There is one shorter (1.97 Å) and one longer (2.01 Å) Ga(1)-O(3) bond length. There are two inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 7-coordinate geometry to one O(1), one O(3), one O(4), two equivalent O(2), and two equivalent O(6) atoms. The Bi(1)-O(1) bond length is 2.79 Å. The Bi(1)-O(3) bond length is 2.26 Å. The Bi(1)-O(4) bond length is 2.50 Å. There is one shorter (2.38 Å) and one longer (2.79 Å) Bi(1)-O(2) bond length. There is one shorter (2.27 Å) and one longer (2.47 Å) Bi(1)-O(6) bond length. In the second Bi site, Bi(2) is bonded in a 7-coordinate geometry to one O(2), one O(3), one O(4), two equivalent O(1), and two equivalent O(5) atoms. The Bi(2)-O(2) bond length is 2.80 Å. The Bi(2)-O(3) bond length is 2.42 Å. The Bi(2)-O(4) bond length is 2.29 Å. There is one shorter (2.42 Å) and one longer (2.80 Å) Bi(2)-O(1) bond length. There is one shorter (2.27 Å) and one longer (2.44 Å) Bi(2)-O(5) bond length. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 1-coordinate geometry to one Ga(1), one Bi(1), and two equivalent Bi(2) atoms. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Fe(1), one Bi(2), and two equivalent Bi(1) atoms. In the third O site, O(3) is bonded to two equivalent Ga(1), one Bi(1), and one Bi(2) atom to form distorted OGa2Bi2 tetrahedra that share corners with two equivalent O(3)Ga2Bi2 tetrahedra, edges with two equivalent O(5)GaFeBi2 tetrahedra, and edges with two equivalent O(6)GaFeBi2 tetrahedra. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to two equivalent Fe(1), one Bi(1), and one Bi(2) atom. In the fifth O site, O(5) is bonded to one Fe(1), one Ga(1), and two equivalent Bi(2) atoms to form distorted OGaFeBi2 tetrahedra that share corners with two equivalent O(5)GaFeBi2 tetrahedra, corners with two equivalent O(6)GaFeBi2 tetrahedra, and edges with two equivalent O(3)Ga2Bi2 tetrahedra. In the sixth O site, O(6) is bonded to one Fe(1), one Ga(1), and two equivalent Bi(1) atoms to form distorted OGaFeBi2 tetrahedra that share corners with two equivalent O(5)GaFeBi2 tetrahedra, corners with two equivalent O(6)GaFeBi2 tetrahedra, and edges with two equivalent O(3)Ga2Bi2 tetrahedra.