Rb2MgTi2Zn2(OF5)2 crystallizes in the monoclinic C2/m space group. Rb(1) is bonded in a 6-coordinate geometry to one O(1), one F(2), two equivalent F(1), and two equivalent F(3) atoms. Mg(1) is bonded in a square co-planar geometry to four equivalent F(1) atoms. Ti(1) is bonded to two equivalent O(1), two equivalent F(1), and two equivalent F(3) atoms to form TiO2F4 octahedra that share corners with two equivalent Ti(1)O2F4 octahedra and corners with two equivalent Zn(2)F6 octahedra. The corner-sharing octahedral tilt angles range from 40-44°. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a distorted square co-planar geometry to two equivalent O(1) and two equivalent F(2) atoms. In the second Zn site, Zn(2) is bonded to two equivalent F(2) and four equivalent F(3) atoms to form ZnF6 octahedra that share corners with four equivalent Ti(1)O2F4 octahedra. The corner-sharing octahedral tilt angles are 44°. O(1) is bonded in a 4-coordinate geometry to one Rb(1), two equivalent Ti(1), and one Zn(1) atom. There are three inequivalent F sites. In the first F site, F(1) is bonded in a distorted bent 120 degrees geometry to one Rb(1), one Mg(1), and one Ti(1) atom. In the second F site, F(2) is bonded in a distorted trigonal planar geometry to one Rb(1), one Zn(1), and one Zn(2) atom. In the third F site, F(3) is bonded in a distorted trigonal planar geometry to one Rb(1), one Ti(1), and one Zn(2) atom.
Rb2MgTi2Zn2(OF5)2 crystallizes in the monoclinic C2/m space group. Rb(1) is bonded in a 6-coordinate geometry to one O(1), one F(2), two equivalent F(1), and two equivalent F(3) atoms. The Rb(1)-O(1) bond length is 2.90 Å. The Rb(1)-F(2) bond length is 2.65 Å. Both Rb(1)-F(1) bond lengths are 2.98 Å. Both Rb(1)-F(3) bond lengths are 2.72 Å. Mg(1) is bonded in a square co-planar geometry to four equivalent F(1) atoms. All Mg(1)-F(1) bond lengths are 1.89 Å. Ti(1) is bonded to two equivalent O(1), two equivalent F(1), and two equivalent F(3) atoms to form TiO2F4 octahedra that share corners with two equivalent Ti(1)O2F4 octahedra and corners with two equivalent Zn(2)F6 octahedra. The corner-sharing octahedral tilt angles range from 40-44°. Both Ti(1)-O(1) bond lengths are 1.95 Å. Both Ti(1)-F(1) bond lengths are 2.10 Å. Both Ti(1)-F(3) bond lengths are 2.09 Å. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a distorted square co-planar geometry to two equivalent O(1) and two equivalent F(2) atoms. Both Zn(1)-O(1) bond lengths are 2.40 Å. Both Zn(1)-F(2) bond lengths are 1.95 Å. In the second Zn site, Zn(2) is bonded to two equivalent F(2) and four equivalent F(3) atoms to form ZnF6 octahedra that share corners with four equivalent Ti(1)O2F4 octahedra. The corner-sharing octahedral tilt angles are 44°. Both Zn(2)-F(2) bond lengths are 2.02 Å. All Zn(2)-F(3) bond lengths are 2.14 Å. O(1) is bonded in a 4-coordinate geometry to one Rb(1), two equivalent Ti(1), and one Zn(1) atom. There are three inequivalent F sites. In the first F site, F(1) is bonded in a distorted bent 120 degrees geometry to one Rb(1), one Mg(1), and one Ti(1) atom. In the second F site, F(2) is bonded in a distorted trigonal planar geometry to one Rb(1), one Zn(1), and one Zn(2) atom. In the third F site, F(3) is bonded in a distorted trigonal planar geometry to one Rb(1), one Ti(1), and one Zn(2) atom.