KSrGdWO6 crystallizes in the orthorhombic Pnnn space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 12-coordinate geometry to four equivalent O(1), four equivalent O(2), and four equivalent O(3) atoms. In the second K site, K(2) is bonded in a 12-coordinate geometry to four equivalent O(1), four equivalent O(2), and four equivalent O(3) atoms. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 12-coordinate geometry to four equivalent O(1), four equivalent O(2), and four equivalent O(3) atoms. In the second Sr site, Sr(2) is bonded to four equivalent O(1), four equivalent O(2), and four equivalent O(3) atoms to form SrO12 cuboctahedra that share faces with four equivalent Gd(1)O6 octahedra and faces with four equivalent W(1)O6 octahedra. Gd(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form GdO6 octahedra that share corners with six equivalent W(1)O6 octahedra and faces with two equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 13-18°. W(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form WO6 octahedra that share corners with six equivalent Gd(1)O6 octahedra and faces with two equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 13-18°. There are three inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one K(1), one K(2), one Sr(1), one Sr(2), one Gd(1), and one W(1) atom. In the second O site, O(2) is bonded in a 2-coordinate geometry to one K(1), one K(2), one Sr(1), one Sr(2), one Gd(1), and one W(1) atom. In the third O site, O(3) is bonded in a 6-coordinate geometry to one K(1), one K(2), one Sr(1), one Sr(2), one Gd(1), and one W(1) atom.
KSrGdWO6 crystallizes in the orthorhombic Pnnn space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 12-coordinate geometry to four equivalent O(1), four equivalent O(2), and four equivalent O(3) atoms. All K(1)-O(1) bond lengths are 3.06 Å. All K(1)-O(2) bond lengths are 2.75 Å. All K(1)-O(3) bond lengths are 3.23 Å. In the second K site, K(2) is bonded in a 12-coordinate geometry to four equivalent O(1), four equivalent O(2), and four equivalent O(3) atoms. All K(2)-O(1) bond lengths are 3.30 Å. All K(2)-O(2) bond lengths are 3.05 Å. All K(2)-O(3) bond lengths are 2.72 Å. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 12-coordinate geometry to four equivalent O(1), four equivalent O(2), and four equivalent O(3) atoms. All Sr(1)-O(1) bond lengths are 2.65 Å. All Sr(1)-O(2) bond lengths are 3.21 Å. All Sr(1)-O(3) bond lengths are 3.01 Å. In the second Sr site, Sr(2) is bonded to four equivalent O(1), four equivalent O(2), and four equivalent O(3) atoms to form SrO12 cuboctahedra that share faces with four equivalent Gd(1)O6 octahedra and faces with four equivalent W(1)O6 octahedra. All Sr(2)-O(1) bond lengths are 2.92 Å. All Sr(2)-O(2) bond lengths are 2.93 Å. All Sr(2)-O(3) bond lengths are 2.97 Å. Gd(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form GdO6 octahedra that share corners with six equivalent W(1)O6 octahedra and faces with two equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 13-18°. Both Gd(1)-O(1) bond lengths are 2.29 Å. Both Gd(1)-O(2) bond lengths are 2.28 Å. Both Gd(1)-O(3) bond lengths are 2.28 Å. W(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form WO6 octahedra that share corners with six equivalent Gd(1)O6 octahedra and faces with two equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 13-18°. Both W(1)-O(1) bond lengths are 1.97 Å. Both W(1)-O(2) bond lengths are 1.95 Å. Both W(1)-O(3) bond lengths are 1.95 Å. There are three inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one K(1), one K(2), one Sr(1), one Sr(2), one Gd(1), and one W(1) atom. In the second O site, O(2) is bonded in a 2-coordinate geometry to one K(1), one K(2), one Sr(1), one Sr(2), one Gd(1), and one W(1) atom. In the third O site, O(3) is bonded in a 6-coordinate geometry to one K(1), one K(2), one Sr(1), one Sr(2), one Gd(1), and one W(1) atom.