Rb2Te2O2F7 crystallizes in the monoclinic P2_1 space group. There are four inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a 11-coordinate geometry to one O(1), one O(2), one O(3), one F(1), one F(3), one F(4), one F(5), one F(6), one F(9), and two equivalent F(2) atoms. In the second Rb site, Rb(2) is bonded in a 10-coordinate geometry to one O(1), one O(2), one F(1), one F(10), one F(2), one F(3), one F(5), one F(7), and two equivalent F(4) atoms. In the third Rb site, Rb(3) is bonded in a 11-coordinate geometry to one O(1), one O(3), one O(4), one F(1), one F(10), one F(12), one F(13), one F(14), one F(9), and two equivalent F(8) atoms. In the fourth Rb site, Rb(4) is bonded in a 10-coordinate geometry to one O(3), one O(4), one F(11), one F(13), one F(14), one F(6), one F(8), one F(9), and two equivalent F(12) atoms. There are four inequivalent Te sites. In the first Te site, Te(1) is bonded to one O(2), one F(3), one F(5), one F(6), and one F(7) atom to form corner-sharing TeOF4 square pyramids. In the second Te site, Te(2) is bonded to one O(1), one O(2), one F(1), one F(2), and one F(4) atom to form corner-sharing TeO2F3 square pyramids. In the third Te site, Te(3) is bonded to one O(4), one F(10), one F(11), one F(13), and one F(14) atom to form corner-sharing TeOF4 square pyramids. In the fourth Te site, Te(4) is bonded to one O(3), one O(4), one F(12), one F(8), and one F(9) atom to form corner-sharing TeO2F3 square pyramids. There are four 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), one Rb(3), and one Te(2) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Rb(1), one Rb(2), one Te(1), and one Te(2) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Rb(1), one Rb(3), one Rb(4), and one Te(4) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Rb(3), one Rb(4), one Te(3), and one Te(4) atom. There are fourteen inequivalent F sites. In the first F site, F(1) is bonded in a 1-coordinate geometry to one Rb(1), one Rb(2), one Rb(3), and one Te(2) atom. In the second F site, F(2) is bonded in a 1-coordinate geometry to one Rb(2), two equivalent Rb(1), and one Te(2) atom. In the third F site, F(3) is bonded in a 3-coordinate geometry to one Rb(1), one Rb(2), and one Te(1) atom. In the fourth F site, F(4) is bonded in a distorted single-bond geometry to one Rb(1), two equivalent Rb(2), and one Te(2) atom. In the fifth F site, F(5) is bonded in a 3-coordinate geometry to one Rb(1), one Rb(2), and one Te(1) atom. In the sixth F site, F(6) is bonded in a 3-coordinate geometry to one Rb(1), one Rb(4), and one Te(1) atom. In the seventh F site, F(7) is bonded in a distorted bent 150 degrees geometry to one Rb(2) and one Te(1) atom. In the eighth F site, F(8) is bonded in a distorted single-bond geometry to one Rb(4), two equivalent Rb(3), and one Te(4) atom. In the ninth F site, F(9) is bonded in a 4-coordinate geometry to one Rb(1), one Rb(3), one Rb(4), and one Te(4) atom. In the tenth F site, F(10) is bonded in a 3-coordinate geometry to one Rb(2), one Rb(3), and one Te(3) atom. In the eleventh F site, F(11) is bonded in a distorted bent 150 degrees geometry to one Rb(4) and one Te(3) atom. In the twelfth F site, F(12) is bonded in a distorted single-bond geometry to one Rb(3), two equivalent Rb(4), and one Te(4) atom. In the thirteenth F site, F(13) is bonded in a 3-coordinate geometry to one Rb(3), one Rb(4), and one Te(3) atom. In the fourteenth F site, F(14) is bonded in a 3-coordinate geometry to one Rb(3), one Rb(4), and one Te(3) atom.
Rb2Te2O2F7 crystallizes in the monoclinic P2_1 space group. There are four inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a 11-coordinate geometry to one O(1), one O(2), one O(3), one F(1), one F(3), one F(4), one F(5), one F(6), one F(9), and two equivalent F(2) atoms. The Rb(1)-O(1) bond length is 3.43 Å. The Rb(1)-O(2) bond length is 3.23 Å. The Rb(1)-O(3) bond length is 3.21 Å. The Rb(1)-F(1) bond length is 3.15 Å. The Rb(1)-F(3) bond length is 2.96 Å. The Rb(1)-F(4) bond length is 3.05 Å. The Rb(1)-F(5) bond length is 2.93 Å. The Rb(1)-F(6) bond length is 2.89 Å. The Rb(1)-F(9) bond length is 2.96 Å. There is one shorter (2.96 Å) and one longer (3.31 Å) Rb(1)-F(2) bond length. In the second Rb site, Rb(2) is bonded in a 10-coordinate geometry to one O(1), one O(2), one F(1), one F(10), one F(2), one F(3), one F(5), one F(7), and two equivalent F(4) atoms. The Rb(2)-O(1) bond length is 3.39 Å. The Rb(2)-O(2) bond length is 3.20 Å. The Rb(2)-F(1) bond length is 3.29 Å. The Rb(2)-F(10) bond length is 3.07 Å. The Rb(2)-F(2) bond length is 3.08 Å. The Rb(2)-F(3) bond length is 2.99 Å. The Rb(2)-F(5) bond length is 2.99 Å. The Rb(2)-F(7) bond length is 2.86 Å. There is one shorter (3.06 Å) and one longer (3.20 Å) Rb(2)-F(4) bond length. In the third Rb site, Rb(3) is bonded in a 11-coordinate geometry to one O(1), one O(3), one O(4), one F(1), one F(10), one F(12), one F(13), one F(14), one F(9), and two equivalent F(8) atoms. The Rb(3)-O(1) bond length is 3.20 Å. The Rb(3)-O(3) bond length is 3.40 Å. The Rb(3)-O(4) bond length is 3.16 Å. The Rb(3)-F(1) bond length is 2.95 Å. The Rb(3)-F(10) bond length is 2.88 Å. The Rb(3)-F(12) bond length is 3.04 Å. The Rb(3)-F(13) bond length is 3.06 Å. The Rb(3)-F(14) bond length is 2.97 Å. The Rb(3)-F(9) bond length is 3.22 Å. There is one shorter (3.06 Å) and one longer (3.24 Å) Rb(3)-F(8) bond length. In the fourth Rb site, Rb(4) is bonded in a 10-coordinate geometry to one O(3), one O(4), one F(11), one F(13), one F(14), one F(6), one F(8), one F(9), and two equivalent F(12) atoms. The Rb(4)-O(3) bond length is 3.50 Å. The Rb(4)-O(4) bond length is 3.29 Å. The Rb(4)-F(11) bond length is 2.86 Å. The Rb(4)-F(13) bond length is 2.96 Å. The Rb(4)-F(14) bond length is 2.95 Å. The Rb(4)-F(6) bond length is 3.10 Å. The Rb(4)-F(8) bond length is 3.02 Å. The Rb(4)-F(9) bond length is 3.23 Å. There is one shorter (3.12 Å) and one longer (3.13 Å) Rb(4)-F(12) bond length. There are four inequivalent Te sites. In the first Te site, Te(1) is bonded to one O(2), one F(3), one F(5), one F(6), and one F(7) atom to form corner-sharing TeOF4 square pyramids. The Te(1)-O(2) bond length is 1.91 Å. The Te(1)-F(3) bond length is 2.05 Å. The Te(1)-F(5) bond length is 2.05 Å. The Te(1)-F(6) bond length is 2.04 Å. The Te(1)-F(7) bond length is 2.04 Å. In the second Te site, Te(2) is bonded to one O(1), one O(2), one F(1), one F(2), and one F(4) atom to form corner-sharing TeO2F3 square pyramids. The Te(2)-O(1) bond length is 1.96 Å. The Te(2)-O(2) bond length is 2.10 Å. The Te(2)-F(1) bond length is 2.04 Å. The Te(2)-F(2) bond length is 2.05 Å. The Te(2)-F(4) bond length is 2.07 Å. In the third Te site, Te(3) is bonded to one O(4), one F(10), one F(11), one F(13), and one F(14) atom to form corner-sharing TeOF4 square pyramids. The Te(3)-O(4) bond length is 1.92 Å. The Te(3)-F(10) bond length is 2.05 Å. The Te(3)-F(11) bond length is 2.04 Å. The Te(3)-F(13) bond length is 2.03 Å. The Te(3)-F(14) bond length is 2.06 Å. In the fourth Te site, Te(4) is bonded to one O(3), one O(4), one F(12), one F(8), and one F(9) atom to form corner-sharing TeO2F3 square pyramids. The Te(4)-O(3) bond length is 1.95 Å. The Te(4)-O(4) bond length is 2.10 Å. The Te(4)-F(12) bond length is 2.08 Å. The Te(4)-F(8) bond length is 2.04 Å. The Te(4)-F(9) bond length is 2.04 Å. There are four 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), one Rb(3), and one Te(2) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Rb(1), one Rb(2), one Te(1), and one Te(2) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Rb(1), one Rb(3), one Rb(4), and one Te(4) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Rb(3), one Rb(4), one Te(3), and one Te(4) atom. There are fourteen inequivalent F sites. In the first F site, F(1) is bonded in a 1-coordinate geometry to one Rb(1), one Rb(2), one Rb(3), and one Te(2) atom. In the second F site, F(2) is bonded in a 1-coordinate geometry to one Rb(2), two equivalent Rb(1), and one Te(2) atom. In the third F site, F(3) is bonded in a 3-coordinate geometry to one Rb(1), one Rb(2), and one Te(1) atom. In the fourth F site, F(4) is bonded in a distorted single-bond geometry to one Rb(1), two equivalent Rb(2), and one Te(2) atom. In the fifth F site, F(5) is bonded in a 3-coordinate geometry to one Rb(1), one Rb(2), and one Te(1) atom. In the sixth F site, F(6) is bonded in a 3-coordinate geometry to one Rb(1), one Rb(4), and one Te(1) atom. In the seventh F site, F(7) is bonded in a distorted bent 150 degrees geometry to one Rb(2) and one Te(1) atom. In the eighth F site, F(8) is bonded in a distorted single-bond geometry to one Rb(4), two equivalent Rb(3), and one Te(4) atom. In the ninth F site, F(9) is bonded in a 4-coordinate geometry to one Rb(1), one Rb(3), one Rb(4), and one Te(4) atom. In the tenth F site, F(10) is bonded in a 3-coordinate geometry to one Rb(2), one Rb(3), and one Te(3) atom. In the eleventh F site, F(11) is bonded in a distorted bent 150 degrees geometry to one Rb(4) and one Te(3) atom. In the twelfth F site, F(12) is bonded in a distorted single-bond geometry to one Rb(3), two equivalent Rb(4), and one Te(4) atom. In the thirteenth F site, F(13) is bonded in a 3-coordinate geometry to one Rb(3), one Rb(4), and one Te(3) atom. In the fourteenth F site, F(14) is bonded in a 3-coordinate geometry to one Rb(3), one Rb(4), and one Te(3) atom.