SrCaDyBiO6 crystallizes in the monoclinic Cm space group. Sr(1) is bonded in a 5-coordinate geometry to one O(1), two equivalent O(3), and two equivalent O(4) atoms. Ca(1) is bonded in a 5-coordinate geometry to one O(2), two equivalent O(3), and two equivalent O(4) atoms. Dy(1) is bonded to one O(1), one O(2), two equivalent O(3), and two equivalent O(4) atoms to form DyO6 octahedra that share corners with six equivalent Bi(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 30-40°. Bi(1) is bonded to one O(1), one O(2), two equivalent O(3), and two equivalent O(4) atoms to form BiO6 octahedra that share corners with six equivalent Dy(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 30-40°. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Sr(1), one Dy(1), and one Bi(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Ca(1), one Dy(1), and one Bi(1) atom. In the third O site, O(3) is bonded to one Sr(1), one Ca(1), one Dy(1), and one Bi(1) atom to form a mixture of distorted corner and edge-sharing OSrCaDyBi tetrahedra. In the fourth O site, O(4) is bonded to one Sr(1), one Ca(1), one Dy(1), and one Bi(1) atom to form a mixture of distorted corner and edge-sharing OSrCaDyBi tetrahedra.
SrCaDyBiO6 crystallizes in the monoclinic Cm space group. Sr(1) is bonded in a 5-coordinate geometry to one O(1), two equivalent O(3), and two equivalent O(4) atoms. The Sr(1)-O(1) bond length is 2.46 Å. Both Sr(1)-O(3) bond lengths are 2.63 Å. Both Sr(1)-O(4) bond lengths are 2.60 Å. Ca(1) is bonded in a 5-coordinate geometry to one O(2), two equivalent O(3), and two equivalent O(4) atoms. The Ca(1)-O(2) bond length is 2.40 Å. Both Ca(1)-O(3) bond lengths are 2.45 Å. Both Ca(1)-O(4) bond lengths are 2.45 Å. Dy(1) is bonded to one O(1), one O(2), two equivalent O(3), and two equivalent O(4) atoms to form DyO6 octahedra that share corners with six equivalent Bi(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 30-40°. The Dy(1)-O(1) bond length is 2.25 Å. The Dy(1)-O(2) bond length is 2.31 Å. Both Dy(1)-O(3) bond lengths are 2.25 Å. Both Dy(1)-O(4) bond lengths are 2.24 Å. Bi(1) is bonded to one O(1), one O(2), two equivalent O(3), and two equivalent O(4) atoms to form BiO6 octahedra that share corners with six equivalent Dy(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 30-40°. The Bi(1)-O(1) bond length is 2.14 Å. The Bi(1)-O(2) bond length is 2.17 Å. Both Bi(1)-O(3) bond lengths are 2.14 Å. Both Bi(1)-O(4) bond lengths are 2.14 Å. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Sr(1), one Dy(1), and one Bi(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Ca(1), one Dy(1), and one Bi(1) atom. In the third O site, O(3) is bonded to one Sr(1), one Ca(1), one Dy(1), and one Bi(1) atom to form a mixture of distorted corner and edge-sharing OSrCaDyBi tetrahedra. In the fourth O site, O(4) is bonded to one Sr(1), one Ca(1), one Dy(1), and one Bi(1) atom to form a mixture of distorted corner and edge-sharing OSrCaDyBi tetrahedra.