Ba2MgPrRuO6 crystallizes in the trigonal R3m space group. There are two inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a distorted q6 geometry to three equivalent O(1) and six equivalent O(2) atoms. In the second Ba site, Ba(2) is bonded in a 10-coordinate geometry to one Mg(1), three equivalent O(2), and six equivalent O(1) atoms. Mg(1) is bonded in a 3-coordinate geometry to one Ba(2) and three equivalent O(2) atoms. Pr(1) is bonded to three equivalent O(1) and three equivalent O(2) atoms to form PrO6 octahedra that share corners with six equivalent Ru(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-5°. Ru(1) is bonded to three equivalent O(1) and three equivalent O(2) atoms to form distorted RuO6 octahedra that share corners with six equivalent Pr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-5°. There are two inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Ba(1), two equivalent Ba(2), one Pr(1), and one Ru(1) atom. In the second O site, O(2) is bonded in a 6-coordinate geometry to one Ba(2), two equivalent Ba(1), one Mg(1), one Pr(1), and one Ru(1) atom.
Ba2MgPrRuO6 crystallizes in the trigonal R3m space group. There are two inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a distorted q6 geometry to three equivalent O(1) and six equivalent O(2) atoms. All Ba(1)-O(1) bond lengths are 2.91 Å. All Ba(1)-O(2) bond lengths are 3.00 Å. In the second Ba site, Ba(2) is bonded in a 10-coordinate geometry to one Mg(1), three equivalent O(2), and six equivalent O(1) atoms. The Ba(2)-Mg(1) bond length is 3.07 Å. All Ba(2)-O(2) bond lengths are 2.58 Å. All Ba(2)-O(1) bond lengths are 3.08 Å. Mg(1) is bonded in a 3-coordinate geometry to one Ba(2) and three equivalent O(2) atoms. All Mg(1)-O(2) bond lengths are 1.93 Å. Pr(1) is bonded to three equivalent O(1) and three equivalent O(2) atoms to form PrO6 octahedra that share corners with six equivalent Ru(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-5°. All Pr(1)-O(1) bond lengths are 2.32 Å. All Pr(1)-O(2) bond lengths are 2.53 Å. Ru(1) is bonded to three equivalent O(1) and three equivalent O(2) atoms to form distorted RuO6 octahedra that share corners with six equivalent Pr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-5°. All Ru(1)-O(1) bond lengths are 1.99 Å. All Ru(1)-O(2) bond lengths are 2.26 Å. There are two inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Ba(1), two equivalent Ba(2), one Pr(1), and one Ru(1) atom. In the second O site, O(2) is bonded in a 6-coordinate geometry to one Ba(2), two equivalent Ba(1), one Mg(1), one Pr(1), and one Ru(1) atom.