PrZr3F15 crystallizes in the monoclinic C2/c space group. Pr(1) is bonded in a 8-coordinate geometry to two equivalent F(2), two equivalent F(3), two equivalent F(5), and two equivalent F(6) atoms. There are two inequivalent Zr sites. In the first Zr site, Zr(1) is bonded in an octahedral geometry to two equivalent F(6), two equivalent F(7), and two equivalent F(8) atoms. In the second Zr site, Zr(2) is bonded in a 8-coordinate geometry to one F(2), one F(3), one F(4), one F(5), one F(7), one F(8), and two equivalent F(1) atoms. There are eight inequivalent F sites. In the first F site, F(6) is bonded in a bent 150 degrees geometry to one Pr(1) and one Zr(1) atom. In the second F site, F(7) is bonded in a distorted bent 150 degrees geometry to one Zr(1) and one Zr(2) atom. In the third F site, F(8) is bonded in a bent 150 degrees geometry to one Zr(1) and one Zr(2) atom. In the fourth F site, F(1) is bonded in a bent 150 degrees geometry to two equivalent Zr(2) atoms. In the fifth F site, F(2) is bonded in a bent 150 degrees geometry to one Pr(1) and one Zr(2) atom. In the sixth F site, F(3) is bonded in a bent 150 degrees geometry to one Pr(1) and one Zr(2) atom. In the seventh F site, F(4) is bonded in a linear geometry to two equivalent Zr(2) atoms. In the eighth F site, F(5) is bonded in a linear geometry to one Pr(1) and one Zr(2) atom.
PrZr3F15 crystallizes in the monoclinic C2/c space group. Pr(1) is bonded in a 8-coordinate geometry to two equivalent F(2), two equivalent F(3), two equivalent F(5), and two equivalent F(6) atoms. Both Pr(1)-F(2) bond lengths are 2.34 Å. Both Pr(1)-F(3) bond lengths are 2.35 Å. Both Pr(1)-F(5) bond lengths are 2.33 Å. Both Pr(1)-F(6) bond lengths are 2.39 Å. There are two inequivalent Zr sites. In the first Zr site, Zr(1) is bonded in an octahedral geometry to two equivalent F(6), two equivalent F(7), and two equivalent F(8) atoms. Both Zr(1)-F(6) bond lengths are 1.99 Å. Both Zr(1)-F(7) bond lengths are 2.01 Å. Both Zr(1)-F(8) bond lengths are 2.06 Å. In the second Zr site, Zr(2) is bonded in a 8-coordinate geometry to one F(2), one F(3), one F(4), one F(5), one F(7), one F(8), and two equivalent F(1) atoms. The Zr(2)-F(2) bond length is 2.02 Å. The Zr(2)-F(3) bond length is 2.02 Å. The Zr(2)-F(4) bond length is 2.13 Å. The Zr(2)-F(5) bond length is 2.05 Å. The Zr(2)-F(7) bond length is 2.39 Å. The Zr(2)-F(8) bond length is 2.22 Å. There is one shorter (2.14 Å) and one longer (2.15 Å) Zr(2)-F(1) bond length. There are eight inequivalent F sites. In the first F site, F(6) is bonded in a bent 150 degrees geometry to one Pr(1) and one Zr(1) atom. In the second F site, F(7) is bonded in a distorted bent 150 degrees geometry to one Zr(1) and one Zr(2) atom. In the third F site, F(8) is bonded in a bent 150 degrees geometry to one Zr(1) and one Zr(2) atom. In the fourth F site, F(1) is bonded in a bent 150 degrees geometry to two equivalent Zr(2) atoms. In the fifth F site, F(2) is bonded in a bent 150 degrees geometry to one Pr(1) and one Zr(2) atom. In the sixth F site, F(3) is bonded in a bent 150 degrees geometry to one Pr(1) and one Zr(2) atom. In the seventh F site, F(4) is bonded in a linear geometry to two equivalent Zr(2) atoms. In the eighth F site, F(5) is bonded in a linear geometry to one Pr(1) and one Zr(2) atom.