Rb2Li(SbO2)2 crystallizes in the triclinic P1 space group. There are two inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a 4-coordinate geometry to one O(1), one O(2), one O(3), and one O(4) atom. In the second Rb site, Rb(2) is bonded in a 4-coordinate geometry to one O(1), one O(3), and two equivalent O(4) atoms. Li(1) is bonded in a trigonal planar geometry to one O(1), one O(2), and one O(4) atom. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded in a 3-coordinate geometry to one O(2), one O(3), and one O(4) atom. In the second Sb site, Sb(2) is bonded in a 3-coordinate geometry to one O(1), one O(2), and one O(3) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Rb(1), one Rb(2), one Li(1), and one Sb(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Rb(1), one Li(1), one Sb(1), and one Sb(2) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Rb(1), one Rb(2), one Sb(1), and one Sb(2) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Rb(1), two equivalent Rb(2), one Li(1), and one Sb(1) atom.
Rb2Li(SbO2)2 crystallizes in the triclinic P1 space group. There are two inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a 4-coordinate geometry to one O(1), one O(2), one O(3), and one O(4) atom. The Rb(1)-O(1) bond length is 2.80 Å. The Rb(1)-O(2) bond length is 3.03 Å. The Rb(1)-O(3) bond length is 2.84 Å. The Rb(1)-O(4) bond length is 2.97 Å. In the second Rb site, Rb(2) is bonded in a 4-coordinate geometry to one O(1), one O(3), and two equivalent O(4) atoms. The Rb(2)-O(1) bond length is 3.03 Å. The Rb(2)-O(3) bond length is 3.19 Å. There is one shorter (2.89 Å) and one longer (3.39 Å) Rb(2)-O(4) bond length. Li(1) is bonded in a trigonal planar geometry to one O(1), one O(2), and one O(4) atom. The Li(1)-O(1) bond length is 1.95 Å. The Li(1)-O(2) bond length is 2.05 Å. The Li(1)-O(4) bond length is 1.92 Å. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded in a 3-coordinate geometry to one O(2), one O(3), and one O(4) atom. The Sb(1)-O(2) bond length is 2.06 Å. The Sb(1)-O(3) bond length is 2.14 Å. The Sb(1)-O(4) bond length is 1.96 Å. In the second Sb site, Sb(2) is bonded in a 3-coordinate geometry to one O(1), one O(2), and one O(3) atom. The Sb(2)-O(1) bond length is 1.95 Å. The Sb(2)-O(2) bond length is 2.27 Å. The Sb(2)-O(3) bond length is 2.01 Å. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Rb(1), one Rb(2), one Li(1), and one Sb(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Rb(1), one Li(1), one Sb(1), and one Sb(2) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Rb(1), one Rb(2), one Sb(1), and one Sb(2) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Rb(1), two equivalent Rb(2), one Li(1), and one Sb(1) atom.