Rb2Li(TcO4)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 8-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom. In the second Rb site, Rb(2) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom. Li(1) is bonded in a 6-coordinate geometry to one O(2), one O(3), one O(5), one O(6), one O(7), and one O(8) atom. There are two inequivalent Tc sites. In the first Tc site, Tc(1) is bonded in a tetrahedral geometry to one O(1), one O(3), one O(4), and one O(7) atom. In the second Tc site, Tc(2) is bonded in a tetrahedral geometry to one O(2), one O(5), one O(6), and one O(8) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Rb(1), one Rb(2), and one Tc(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Rb(1), one Rb(2), one Li(1), and one Tc(2) atom. In the third O site, O(3) is bonded in a distorted L-shaped geometry to one Rb(1), one Rb(2), one Li(1), and one Tc(1) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Rb(1), one Rb(2), and one Tc(1) atom. In the fifth O site, O(5) is bonded in a distorted L-shaped geometry to one Rb(1), one Rb(2), one Li(1), and one Tc(2) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Rb(1), one Rb(2), one Li(1), and one Tc(2) atom. In the seventh O site, O(7) is bonded in a distorted L-shaped geometry to one Rb(1), one Rb(2), one Li(1), and one Tc(1) atom. In the eighth O site, O(8) is bonded in a distorted water-like geometry to one Rb(1), one Rb(2), one Li(1), and one Tc(2) atom.
Rb2Li(TcO4)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 8-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom. The Rb(1)-O(1) bond length is 2.90 Å. The Rb(1)-O(2) bond length is 3.07 Å. The Rb(1)-O(3) bond length is 3.07 Å. The Rb(1)-O(4) bond length is 2.89 Å. The Rb(1)-O(5) bond length is 2.95 Å. The Rb(1)-O(6) bond length is 3.07 Å. The Rb(1)-O(7) bond length is 3.05 Å. The Rb(1)-O(8) bond length is 2.96 Å. In the second Rb site, Rb(2) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom. The Rb(2)-O(1) bond length is 3.09 Å. The Rb(2)-O(2) bond length is 3.01 Å. The Rb(2)-O(3) bond length is 3.16 Å. The Rb(2)-O(4) bond length is 3.09 Å. The Rb(2)-O(5) bond length is 3.04 Å. The Rb(2)-O(6) bond length is 3.00 Å. The Rb(2)-O(7) bond length is 3.17 Å. The Rb(2)-O(8) bond length is 3.05 Å. Li(1) is bonded in a 6-coordinate geometry to one O(2), one O(3), one O(5), one O(6), one O(7), and one O(8) atom. The Li(1)-O(2) bond length is 2.49 Å. The Li(1)-O(3) bond length is 2.24 Å. The Li(1)-O(5) bond length is 2.05 Å. The Li(1)-O(6) bond length is 2.57 Å. The Li(1)-O(7) bond length is 2.25 Å. The Li(1)-O(8) bond length is 2.05 Å. There are two inequivalent Tc sites. In the first Tc site, Tc(1) is bonded in a tetrahedral geometry to one O(1), one O(3), one O(4), and one O(7) atom. The Tc(1)-O(1) bond length is 1.74 Å. The Tc(1)-O(3) bond length is 1.77 Å. The Tc(1)-O(4) bond length is 1.74 Å. The Tc(1)-O(7) bond length is 1.77 Å. In the second Tc site, Tc(2) is bonded in a tetrahedral geometry to one O(2), one O(5), one O(6), and one O(8) atom. The Tc(2)-O(2) bond length is 1.77 Å. The Tc(2)-O(5) bond length is 1.79 Å. The Tc(2)-O(6) bond length is 1.77 Å. The Tc(2)-O(8) bond length is 1.79 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Rb(1), one Rb(2), and one Tc(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Rb(1), one Rb(2), one Li(1), and one Tc(2) atom. In the third O site, O(3) is bonded in a distorted L-shaped geometry to one Rb(1), one Rb(2), one Li(1), and one Tc(1) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Rb(1), one Rb(2), and one Tc(1) atom. In the fifth O site, O(5) is bonded in a distorted L-shaped geometry to one Rb(1), one Rb(2), one Li(1), and one Tc(2) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Rb(1), one Rb(2), one Li(1), and one Tc(2) atom. In the seventh O site, O(7) is bonded in a distorted L-shaped geometry to one Rb(1), one Rb(2), one Li(1), and one Tc(1) atom. In the eighth O site, O(8) is bonded in a distorted water-like geometry to one Rb(1), one Rb(2), one Li(1), and one Tc(2) atom.