EuSnF7 crystallizes in the monoclinic P2_1 space group. Eu(1) is bonded in a 8-coordinate geometry to one F(1), one F(3), one F(4), one F(5), one F(6), one F(7), and two equivalent F(2) atoms. Sn(1) is bonded in an octahedral geometry to one F(1), one F(3), one F(4), one F(5), one F(6), and one F(7) atom. There are seven inequivalent F sites. In the first F site, F(1) is bonded in a linear geometry to one Eu(1) and one Sn(1) atom. In the second F site, F(2) is bonded in a bent 150 degrees geometry to two equivalent Eu(1) atoms. In the third F site, F(3) is bonded in a linear geometry to one Eu(1) and one Sn(1) atom. In the fourth F site, F(4) is bonded in a linear geometry to one Eu(1) and one Sn(1) atom. In the fifth F site, F(5) is bonded in a bent 150 degrees geometry to one Eu(1) and one Sn(1) atom. In the sixth F site, F(6) is bonded in a bent 150 degrees geometry to one Eu(1) and one Sn(1) atom. In the seventh F site, F(7) is bonded in a distorted bent 150 degrees geometry to one Eu(1) and one Sn(1) atom.
EuSnF7 crystallizes in the monoclinic P2_1 space group. Eu(1) is bonded in a 8-coordinate geometry to one F(1), one F(3), one F(4), one F(5), one F(6), one F(7), and two equivalent F(2) atoms. The Eu(1)-F(1) bond length is 2.29 Å. The Eu(1)-F(3) bond length is 2.34 Å. The Eu(1)-F(4) bond length is 2.35 Å. The Eu(1)-F(5) bond length is 2.37 Å. The Eu(1)-F(6) bond length is 2.33 Å. The Eu(1)-F(7) bond length is 2.43 Å. There is one shorter (2.22 Å) and one longer (2.26 Å) Eu(1)-F(2) bond length. Sn(1) is bonded in an octahedral geometry to one F(1), one F(3), one F(4), one F(5), one F(6), and one F(7) atom. The Sn(1)-F(1) bond length is 1.97 Å. The Sn(1)-F(3) bond length is 1.98 Å. The Sn(1)-F(4) bond length is 1.97 Å. The Sn(1)-F(5) bond length is 1.97 Å. The Sn(1)-F(6) bond length is 1.98 Å. The Sn(1)-F(7) bond length is 1.97 Å. There are seven inequivalent F sites. In the first F site, F(1) is bonded in a linear geometry to one Eu(1) and one Sn(1) atom. In the second F site, F(2) is bonded in a bent 150 degrees geometry to two equivalent Eu(1) atoms. In the third F site, F(3) is bonded in a linear geometry to one Eu(1) and one Sn(1) atom. In the fourth F site, F(4) is bonded in a linear geometry to one Eu(1) and one Sn(1) atom. In the fifth F site, F(5) is bonded in a bent 150 degrees geometry to one Eu(1) and one Sn(1) atom. In the sixth F site, F(6) is bonded in a bent 150 degrees geometry to one Eu(1) and one Sn(1) atom. In the seventh F site, F(7) is bonded in a distorted bent 150 degrees geometry to one Eu(1) and one Sn(1) atom.