K6MgV2(SO3)2 crystallizes in the monoclinic Pm space group. There are six inequivalent K sites. In the first K site, K(1) is bonded in a 7-coordinate geometry to one S(1), two equivalent S(2), two equivalent O(3), and two equivalent O(4) atoms. In the second K site, K(2) is bonded in a 9-coordinate geometry to one Mg(1), one S(2), one O(1), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms. In the third K site, K(3) is bonded in a 5-coordinate geometry to one S(2), two equivalent O(3), and two equivalent O(4) atoms. In the fourth K site, K(4) is bonded in a 6-coordinate geometry to one S(1), one O(2), two equivalent O(1), and two equivalent O(4) atoms. In the fifth K site, K(5) is bonded in a 4-coordinate geometry to one S(2), two equivalent S(1), one O(1), and two equivalent O(3) atoms. In the sixth K site, K(6) is bonded in a 3-coordinate geometry to one S(1), two equivalent S(2), one O(2), and two equivalent O(4) atoms. Mg(1) is bonded in a 3-coordinate geometry to one K(2), one O(1), and two equivalent O(3) atoms. There are two inequivalent V sites. In the first V site, V(1) is bonded in a distorted tetrahedral geometry to one S(1), one O(2), and two equivalent O(3) atoms. In the second V site, V(2) is bonded in a distorted tetrahedral geometry to one S(2), one O(1), and two equivalent O(4) atoms. There are two inequivalent S sites. In the first S site, S(1) is bonded in a 6-coordinate geometry to one K(1), one K(4), one K(6), two equivalent K(5), and one V(1) atom. In the second S site, S(2) is bonded in a 8-coordinate geometry to one K(2), one K(3), one K(5), two equivalent K(1), two equivalent K(6), and one V(2) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one K(2), one K(5), two equivalent K(4), one Mg(1), and one V(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one K(4), one K(6), two equivalent K(2), and one V(1) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one K(1), one K(2), one K(3), one K(5), one Mg(1), and one V(1) atom. In the fourth O site, O(4) is bonded in a 6-coordinate geometry to one K(1), one K(2), one K(3), one K(4), one K(6), and one V(2) atom.
K6MgV2(SO3)2 crystallizes in the monoclinic Pm space group. There are six inequivalent K sites. In the first K site, K(1) is bonded in a 7-coordinate geometry to one S(1), two equivalent S(2), two equivalent O(3), and two equivalent O(4) atoms. The K(1)-S(1) bond length is 3.41 Å. Both K(1)-S(2) bond lengths are 3.48 Å. Both K(1)-O(3) bond lengths are 3.26 Å. Both K(1)-O(4) bond lengths are 2.87 Å. In the second K site, K(2) is bonded in a 9-coordinate geometry to one Mg(1), one S(2), one O(1), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms. The K(2)-Mg(1) bond length is 2.89 Å. The K(2)-S(2) bond length is 3.02 Å. The K(2)-O(1) bond length is 3.13 Å. Both K(2)-O(2) bond lengths are 3.36 Å. Both K(2)-O(3) bond lengths are 3.34 Å. Both K(2)-O(4) bond lengths are 2.86 Å. In the third K site, K(3) is bonded in a 5-coordinate geometry to one S(2), two equivalent O(3), and two equivalent O(4) atoms. The K(3)-S(2) bond length is 3.19 Å. Both K(3)-O(3) bond lengths are 2.94 Å. Both K(3)-O(4) bond lengths are 2.78 Å. In the fourth K site, K(4) is bonded in a 6-coordinate geometry to one S(1), one O(2), two equivalent O(1), and two equivalent O(4) atoms. The K(4)-S(1) bond length is 3.05 Å. The K(4)-O(2) bond length is 2.73 Å. Both K(4)-O(1) bond lengths are 3.21 Å. Both K(4)-O(4) bond lengths are 2.61 Å. In the fifth K site, K(5) is bonded in a 4-coordinate geometry to one S(2), two equivalent S(1), one O(1), and two equivalent O(3) atoms. The K(5)-S(2) bond length is 3.15 Å. Both K(5)-S(1) bond lengths are 3.55 Å. The K(5)-O(1) bond length is 3.03 Å. Both K(5)-O(3) bond lengths are 2.68 Å. In the sixth K site, K(6) is bonded in a 3-coordinate geometry to one S(1), two equivalent S(2), one O(2), and two equivalent O(4) atoms. The K(6)-S(1) bond length is 3.40 Å. Both K(6)-S(2) bond lengths are 3.54 Å. The K(6)-O(2) bond length is 2.70 Å. Both K(6)-O(4) bond lengths are 2.82 Å. Mg(1) is bonded in a 3-coordinate geometry to one K(2), one O(1), and two equivalent O(3) atoms. The Mg(1)-O(1) bond length is 1.94 Å. Both Mg(1)-O(3) bond lengths are 1.99 Å. There are two inequivalent V sites. In the first V site, V(1) is bonded in a distorted tetrahedral geometry to one S(1), one O(2), and two equivalent O(3) atoms. The V(1)-S(1) bond length is 2.37 Å. The V(1)-O(2) bond length is 1.73 Å. Both V(1)-O(3) bond lengths are 1.85 Å. In the second V site, V(2) is bonded in a distorted tetrahedral geometry to one S(2), one O(1), and two equivalent O(4) atoms. The V(2)-S(2) bond length is 2.35 Å. The V(2)-O(1) bond length is 1.90 Å. Both V(2)-O(4) bond lengths are 1.78 Å. There are two inequivalent S sites. In the first S site, S(1) is bonded in a 6-coordinate geometry to one K(1), one K(4), one K(6), two equivalent K(5), and one V(1) atom. In the second S site, S(2) is bonded in a 8-coordinate geometry to one K(2), one K(3), one K(5), two equivalent K(1), two equivalent K(6), and one V(2) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one K(2), one K(5), two equivalent K(4), one Mg(1), and one V(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one K(4), one K(6), two equivalent K(2), and one V(1) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one K(1), one K(2), one K(3), one K(5), one Mg(1), and one V(1) atom. In the fourth O site, O(4) is bonded in a 6-coordinate geometry to one K(1), one K(2), one K(3), one K(4), one K(6), and one V(2) atom.