KBaPrWO6 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 Ba sites. In the first Ba site, Ba(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 Ba site, Ba(2) is bonded to four equivalent O(1), four equivalent O(2), and four equivalent O(3) atoms to form BaO12 cuboctahedra that share faces with four equivalent Pr(1)O6 octahedra and faces with four equivalent W(1)O6 octahedra. Pr(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form PrO6 octahedra that share corners with six equivalent W(1)O6 octahedra and faces with two equivalent Ba(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 12-15°. 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 Pr(1)O6 octahedra and faces with two equivalent Ba(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 12-15°. There are three inequivalent O sites. In the first O site, O(1) is bonded in a 6-coordinate geometry to one K(1), one K(2), one Ba(1), one Ba(2), one Pr(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 Ba(1), one Ba(2), one Pr(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 Ba(1), one Ba(2), one Pr(1), and one W(1) atom.
KBaPrWO6 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 3.29 Å. All K(1)-O(2) bond lengths are 3.12 Å. All K(1)-O(3) bond lengths are 2.84 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 2.81 Å. All K(2)-O(2) bond lengths are 3.33 Å. All K(2)-O(3) bond lengths are 3.12 Å. There are two inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 12-coordinate geometry to four equivalent O(1), four equivalent O(2), and four equivalent O(3) atoms. All Ba(1)-O(1) bond lengths are 3.07 Å. All Ba(1)-O(2) bond lengths are 2.78 Å. All Ba(1)-O(3) bond lengths are 3.27 Å. In the second Ba site, Ba(2) is bonded to four equivalent O(1), four equivalent O(2), and four equivalent O(3) atoms to form BaO12 cuboctahedra that share faces with four equivalent Pr(1)O6 octahedra and faces with four equivalent W(1)O6 octahedra. All Ba(2)-O(1) bond lengths are 3.06 Å. All Ba(2)-O(2) bond lengths are 3.01 Å. All Ba(2)-O(3) bond lengths are 3.01 Å. Pr(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form PrO6 octahedra that share corners with six equivalent W(1)O6 octahedra and faces with two equivalent Ba(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 12-15°. Both Pr(1)-O(1) bond lengths are 2.38 Å. Both Pr(1)-O(2) bond lengths are 2.37 Å. Both Pr(1)-O(3) bond lengths are 2.38 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 Pr(1)O6 octahedra and faces with two equivalent Ba(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 12-15°. Both W(1)-O(1) bond lengths are 1.96 Å. Both W(1)-O(2) bond lengths are 1.97 Å. Both W(1)-O(3) bond lengths are 1.96 Å. There are three inequivalent O sites. In the first O site, O(1) is bonded in a 6-coordinate geometry to one K(1), one K(2), one Ba(1), one Ba(2), one Pr(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 Ba(1), one Ba(2), one Pr(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 Ba(1), one Ba(2), one Pr(1), and one W(1) atom.