YbSnF7 crystallizes in the monoclinic P2_1/c space group. Yb(1) is bonded in a 8-coordinate geometry to one F(1), one F(2), one F(3), one F(4), one F(5), one F(6), and two equivalent F(7) atoms. Sn(1) is bonded in an octahedral geometry to one F(1), one F(2), one F(3), one F(4), one F(5), and one F(6) atom. There are seven inequivalent F sites. In the first F site, F(7) is bonded in a linear geometry to two equivalent Yb(1) atoms. In the second F site, F(1) is bonded in a linear geometry to one Yb(1) and one Sn(1) atom. In the third F site, F(2) is bonded in a bent 150 degrees geometry to one Yb(1) and one Sn(1) atom. In the fourth F site, F(3) is bonded in a bent 150 degrees geometry to one Yb(1) and one Sn(1) atom. In the fifth F site, F(4) is bonded in a linear geometry to one Yb(1) and one Sn(1) atom. In the sixth F site, F(5) is bonded in a linear geometry to one Yb(1) and one Sn(1) atom. In the seventh F site, F(6) is bonded in a bent 150 degrees geometry to one Yb(1) and one Sn(1) atom.
YbSnF7 crystallizes in the monoclinic P2_1/c space group. Yb(1) is bonded in a 8-coordinate geometry to one F(1), one F(2), one F(3), one F(4), one F(5), one F(6), and two equivalent F(7) atoms. The Yb(1)-F(1) bond length is 2.32 Å. The Yb(1)-F(2) bond length is 2.24 Å. The Yb(1)-F(3) bond length is 2.23 Å. The Yb(1)-F(4) bond length is 2.30 Å. The Yb(1)-F(5) bond length is 2.34 Å. The Yb(1)-F(6) bond length is 2.29 Å. Both Yb(1)-F(7) bond lengths are 2.38 Å. Sn(1) is bonded in an octahedral geometry to one F(1), one F(2), one F(3), one F(4), one F(5), and one F(6) atom. The Sn(1)-F(1) bond length is 2.04 Å. The Sn(1)-F(2) bond length is 1.99 Å. The Sn(1)-F(3) bond length is 1.99 Å. The Sn(1)-F(4) bond length is 1.98 Å. The Sn(1)-F(5) bond length is 2.06 Å. The Sn(1)-F(6) bond length is 1.98 Å. There are seven inequivalent F sites. In the first F site, F(7) is bonded in a linear geometry to two equivalent Yb(1) atoms. In the second F site, F(1) is bonded in a linear geometry to one Yb(1) and one Sn(1) atom. In the third F site, F(2) is bonded in a bent 150 degrees geometry to one Yb(1) and one Sn(1) atom. In the fourth F site, F(3) is bonded in a bent 150 degrees geometry to one Yb(1) and one Sn(1) atom. In the fifth F site, F(4) is bonded in a linear geometry to one Yb(1) and one Sn(1) atom. In the sixth F site, F(5) is bonded in a linear geometry to one Yb(1) and one Sn(1) atom. In the seventh F site, F(6) is bonded in a bent 150 degrees geometry to one Yb(1) and one Sn(1) atom.