Sr2DyCu2GaO7 crystallizes in the triclinic P1 space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a distorted trigonal non-coplanar geometry to one O(2), one O(9), and two equivalent O(11) atoms. In the second Sr site, Sr(2) is bonded in a 2-coordinate geometry to one O(14), one O(2), and two equivalent O(11) atoms. In the third Sr site, Sr(3) is bonded in a 2-coordinate geometry to one O(7), one O(8), two equivalent O(10), and two equivalent O(13) atoms. In the fourth Sr site, Sr(4) is bonded in a 2-coordinate geometry to one O(13), one O(3), and two equivalent O(10) atoms. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a distorted linear geometry to one O(1), one O(3), one O(6), and one O(9) atom. In the second Dy site, Dy(2) is bonded in a distorted linear geometry to one O(1), one O(14), one O(6), and one O(7) atom. There are four inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a distorted square co-planar geometry to one O(1), one O(12), one O(3), and one O(7) atom. In the second Cu site, Cu(2) is bonded in a distorted rectangular see-saw-like geometry to one O(14), one O(5), one O(6), and one O(9) atom. In the third Cu site, Cu(3) is bonded in a distorted square co-planar geometry to one O(14), one O(5), one O(6), and one O(9) atom. In the fourth Cu site, Cu(4) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(12), one O(3), and one O(7) atom. There are two inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 4-coordinate geometry to one O(10), one O(2), one O(4), and one O(8) atom. In the second Ga site, Ga(2) is bonded in a 4-coordinate geometry to one O(11), one O(13), one O(4), and one O(8) atom. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Dy(1), one Dy(2), one Cu(1), and one Cu(4) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Sr(1), one Sr(2), and one Ga(1) atom. In the third O site, O(3) is bonded in a square co-planar geometry to one Sr(4), one Dy(1), one Cu(1), and one Cu(4) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Ga(1) and one Ga(2) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Cu(2) and one Cu(3) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Dy(1), one Dy(2), one Cu(2), and one Cu(3) atom. In the seventh O site, O(7) is bonded in a distorted rectangular see-saw-like geometry to one Sr(3), one Dy(2), one Cu(1), and one Cu(4) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Sr(3), one Ga(1), and one Ga(2) atom. In the ninth O site, O(9) is bonded in a square co-planar geometry to one Sr(1), one Dy(1), one Cu(2), and one Cu(3) atom. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to two equivalent Sr(3), two equivalent Sr(4), and one Ga(1) atom. In the eleventh O site, O(11) is bonded in a 5-coordinate geometry to two equivalent Sr(1), two equivalent Sr(2), and one Ga(2) atom. In the twelfth O site, O(12) is bonded in a 2-coordinate geometry to one Cu(1) and one Cu(4) atom. In the thirteenth O site, O(13) is bonded in a distorted rectangular see-saw-like geometry to one Sr(4), two equivalent Sr(3), and one Ga(2) atom. In the fourteenth O site, O(14) is bonded in a distorted rectangular see-saw-like geometry to one Sr(2), one Dy(2), one Cu(2), and one Cu(3) atom.
Sr2DyCu2GaO7 crystallizes in the triclinic P1 space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a distorted trigonal non-coplanar geometry to one O(2), one O(9), and two equivalent O(11) atoms. The Sr(1)-O(2) bond length is 2.26 Å. The Sr(1)-O(9) bond length is 2.11 Å. There is one shorter (2.39 Å) and one longer (3.14 Å) Sr(1)-O(11) bond length. In the second Sr site, Sr(2) is bonded in a 2-coordinate geometry to one O(14), one O(2), and two equivalent O(11) atoms. The Sr(2)-O(14) bond length is 2.14 Å. The Sr(2)-O(2) bond length is 2.40 Å. There is one shorter (2.79 Å) and one longer (2.89 Å) Sr(2)-O(11) bond length. In the third Sr site, Sr(3) is bonded in a 2-coordinate geometry to one O(7), one O(8), two equivalent O(10), and two equivalent O(13) atoms. The Sr(3)-O(7) bond length is 2.14 Å. The Sr(3)-O(8) bond length is 2.35 Å. There is one shorter (2.76 Å) and one longer (2.88 Å) Sr(3)-O(10) bond length. There is one shorter (2.69 Å) and one longer (2.92 Å) Sr(3)-O(13) bond length. In the fourth Sr site, Sr(4) is bonded in a 2-coordinate geometry to one O(13), one O(3), and two equivalent O(10) atoms. The Sr(4)-O(13) bond length is 2.21 Å. The Sr(4)-O(3) bond length is 2.11 Å. There is one shorter (2.66 Å) and one longer (2.88 Å) Sr(4)-O(10) bond length. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a distorted linear geometry to one O(1), one O(3), one O(6), and one O(9) atom. The Dy(1)-O(1) bond length is 2.58 Å. The Dy(1)-O(3) bond length is 1.76 Å. The Dy(1)-O(6) bond length is 2.58 Å. The Dy(1)-O(9) bond length is 1.76 Å. In the second Dy site, Dy(2) is bonded in a distorted linear geometry to one O(1), one O(14), one O(6), and one O(7) atom. The Dy(2)-O(1) bond length is 2.56 Å. The Dy(2)-O(14) bond length is 1.73 Å. The Dy(2)-O(6) bond length is 2.55 Å. The Dy(2)-O(7) bond length is 1.72 Å. There are four inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a distorted square co-planar geometry to one O(1), one O(12), one O(3), and one O(7) atom. The Cu(1)-O(1) bond length is 1.78 Å. The Cu(1)-O(12) bond length is 2.05 Å. The Cu(1)-O(3) bond length is 1.94 Å. The Cu(1)-O(7) bond length is 1.96 Å. In the second Cu site, Cu(2) is bonded in a distorted rectangular see-saw-like geometry to one O(14), one O(5), one O(6), and one O(9) atom. The Cu(2)-O(14) bond length is 1.96 Å. The Cu(2)-O(5) bond length is 1.82 Å. The Cu(2)-O(6) bond length is 2.12 Å. The Cu(2)-O(9) bond length is 1.94 Å. In the third Cu site, Cu(3) is bonded in a distorted square co-planar geometry to one O(14), one O(5), one O(6), and one O(9) atom. The Cu(3)-O(14) bond length is 1.95 Å. The Cu(3)-O(5) bond length is 2.05 Å. The Cu(3)-O(6) bond length is 1.78 Å. The Cu(3)-O(9) bond length is 1.94 Å. In the fourth Cu site, Cu(4) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(12), one O(3), and one O(7) atom. The Cu(4)-O(1) bond length is 2.11 Å. The Cu(4)-O(12) bond length is 1.82 Å. The Cu(4)-O(3) bond length is 1.94 Å. The Cu(4)-O(7) bond length is 1.96 Å. There are two inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 4-coordinate geometry to one O(10), one O(2), one O(4), and one O(8) atom. The Ga(1)-O(10) bond length is 2.51 Å. The Ga(1)-O(2) bond length is 1.77 Å. The Ga(1)-O(4) bond length is 1.92 Å. The Ga(1)-O(8) bond length is 1.91 Å. In the second Ga site, Ga(2) is bonded in a 4-coordinate geometry to one O(11), one O(13), one O(4), and one O(8) atom. The Ga(2)-O(11) bond length is 2.28 Å. The Ga(2)-O(13) bond length is 2.06 Å. The Ga(2)-O(4) bond length is 1.91 Å. The Ga(2)-O(8) bond length is 1.92 Å. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Dy(1), one Dy(2), one Cu(1), and one Cu(4) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Sr(1), one Sr(2), and one Ga(1) atom. In the third O site, O(3) is bonded in a square co-planar geometry to one Sr(4), one Dy(1), one Cu(1), and one Cu(4) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Ga(1) and one Ga(2) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Cu(2) and one Cu(3) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Dy(1), one Dy(2), one Cu(2), and one Cu(3) atom. In the seventh O site, O(7) is bonded in a distorted rectangular see-saw-like geometry to one Sr(3), one Dy(2), one Cu(1), and one Cu(4) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Sr(3), one Ga(1), and one Ga(2) atom. In the ninth O site, O(9) is bonded in a square co-planar geometry to one Sr(1), one Dy(1), one Cu(2), and one Cu(3) atom. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to two equivalent Sr(3), two equivalent Sr(4), and one Ga(1) atom. In the eleventh O site, O(11) is bonded in a 5-coordinate geometry to two equivalent Sr(1), two equivalent Sr(2), and one Ga(2) atom. In the twelfth O site, O(12) is bonded in a 2-coordinate geometry to one Cu(1) and one Cu(4) atom. In the thirteenth O site, O(13) is bonded in a distorted rectangular see-saw-like geometry to one Sr(4), two equivalent Sr(3), and one Ga(2) atom. In the fourteenth O site, O(14) is bonded in a distorted rectangular see-saw-like geometry to one Sr(2), one Dy(2), one Cu(2), and one Cu(3) atom.