Th5Sm3F27 crystallizes in the monoclinic Pm space group. There are five inequivalent Th sites. In the first Th site, Th(1) is bonded in a 10-coordinate geometry to one F(1), one F(12), one F(5), one F(7), two equivalent F(16), two equivalent F(17), and two equivalent F(24) atoms. In the second Th site, Th(2) is bonded in a 9-coordinate geometry to one F(10), one F(11), one F(2), one F(4), one F(5), two equivalent F(15), and two equivalent F(18) atoms. In the third Th site, Th(3) is bonded in a 9-coordinate geometry to one F(1), one F(13), one F(6), one F(8), one F(9), two equivalent F(19), and two equivalent F(20) atoms. In the fourth Th site, Th(4) is bonded in a 8-coordinate geometry to one F(14), one F(2), one F(3), one F(9), two equivalent F(23), and two equivalent F(25) atoms. In the fifth Th site, Th(5) is bonded in a 9-coordinate geometry to one F(17), one F(19), one F(22), one F(24), one F(26), two equivalent F(6), and two equivalent F(7) atoms. There are three inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 8-coordinate geometry to one F(18), one F(21), one F(25), one F(27), two equivalent F(10), and two equivalent F(3) atoms. In the second Sm site, Sm(2) is bonded in a 7-coordinate geometry to one F(16), one F(21), one F(26), two equivalent F(11), and two equivalent F(12) atoms. In the third Sm site, Sm(3) is bonded in a 8-coordinate geometry to one F(20), one F(22), one F(23), one F(27), two equivalent F(13), and two equivalent F(14) atoms. There are twenty-seven inequivalent F sites. In the first F site, F(1) is bonded in a bent 150 degrees geometry to one Th(1) and one Th(3) atom. In the second F site, F(2) is bonded in a bent 150 degrees geometry to one Th(2) and one Th(4) atom. In the third F site, F(3) is bonded in a trigonal planar geometry to one Th(4) and two equivalent Sm(1) atoms. In the fourth F site, F(4) is bonded in a distorted single-bond geometry to one Th(2) atom. In the fifth F site, F(5) is bonded in a bent 150 degrees geometry to one Th(1) and one Th(2) atom. In the sixth F site, F(6) is bonded in a trigonal planar geometry to one Th(3) and two equivalent Th(5) atoms. In the seventh F site, F(7) is bonded in a distorted trigonal planar geometry to one Th(1) and two equivalent Th(5) atoms. In the eighth F site, F(8) is bonded in a single-bond geometry to one Th(3) atom. In the ninth F site, F(9) is bonded in a bent 150 degrees geometry to one Th(3) and one Th(4) atom. In the tenth F site, F(10) is bonded in a trigonal non-coplanar geometry to one Th(2) and two equivalent Sm(1) atoms. In the eleventh F site, F(11) is bonded in a trigonal planar geometry to one Th(2) and two equivalent Sm(2) atoms. In the twelfth F site, F(12) is bonded in a trigonal planar geometry to one Th(1) and two equivalent Sm(2) atoms. In the thirteenth F site, F(13) is bonded in a trigonal planar geometry to one Th(3) and two equivalent Sm(3) atoms. In the fourteenth F site, F(14) is bonded in a distorted trigonal non-coplanar geometry to one Th(4) and two equivalent Sm(3) atoms. In the fifteenth F site, F(15) is bonded in a distorted bent 120 degrees geometry to two equivalent Th(2) atoms. In the sixteenth F site, F(16) is bonded in a trigonal non-coplanar geometry to two equivalent Th(1) and one Sm(2) atom. In the seventeenth F site, F(17) is bonded in a trigonal planar geometry to one Th(5) and two equivalent Th(1) atoms. In the eighteenth F site, F(18) is bonded in a trigonal non-coplanar geometry to two equivalent Th(2) and one Sm(1) atom. In the nineteenth F site, F(19) is bonded in a trigonal non-coplanar geometry to one Th(5) and two equivalent Th(3) atoms. In the twentieth F site, F(20) is bonded in a trigonal non-coplanar geometry to two equivalent Th(3) and one Sm(3) atom. In the twenty-first F site, F(21) is bonded in a bent 150 degrees geometry to one Sm(1) and one Sm(2) atom. In the twenty-second F site, F(22) is bonded in a bent 150 degrees geometry to one Th(5) and one Sm(3) atom. In the twenty-third F site, F(23) is bonded in a distorted single-bond geometry to two equivalent Th(4) and one Sm(3) atom. In the twenty-fourth F site, F(24) is bonded in a trigonal planar geometry to one Th(5) and two equivalent Th(1) atoms. In the twenty-fifth F site, F(25) is bonded in a distorted single-bond geometry to two equivalent Th(4) and one Sm(1) atom. In the twenty-sixth F site, F(26) is bonded in a bent 150 degrees geometry to one Th(5) and one Sm(2) atom. In the twenty-seventh F site, F(27) is bonded in a bent 150 degrees geometry to one Sm(1) and one Sm(3) atom.
Th5Sm3F27 crystallizes in the monoclinic Pm space group. There are five inequivalent Th sites. In the first Th site, Th(1) is bonded in a 10-coordinate geometry to one F(1), one F(12), one F(5), one F(7), two equivalent F(16), two equivalent F(17), and two equivalent F(24) atoms. The Th(1)-F(1) bond length is 2.27 Å. The Th(1)-F(12) bond length is 2.35 Å. The Th(1)-F(5) bond length is 2.26 Å. The Th(1)-F(7) bond length is 2.75 Å. Both Th(1)-F(16) bond lengths are 2.57 Å. Both Th(1)-F(17) bond lengths are 2.52 Å. Both Th(1)-F(24) bond lengths are 2.57 Å. In the second Th site, Th(2) is bonded in a 9-coordinate geometry to one F(10), one F(11), one F(2), one F(4), one F(5), two equivalent F(15), and two equivalent F(18) atoms. The Th(2)-F(10) bond length is 2.51 Å. The Th(2)-F(11) bond length is 2.38 Å. The Th(2)-F(2) bond length is 2.41 Å. The Th(2)-F(4) bond length is 2.24 Å. The Th(2)-F(5) bond length is 2.44 Å. Both Th(2)-F(15) bond lengths are 2.35 Å. Both Th(2)-F(18) bond lengths are 2.48 Å. In the third Th site, Th(3) is bonded in a 9-coordinate geometry to one F(1), one F(13), one F(6), one F(8), one F(9), two equivalent F(19), and two equivalent F(20) atoms. The Th(3)-F(1) bond length is 2.41 Å. The Th(3)-F(13) bond length is 2.49 Å. The Th(3)-F(6) bond length is 2.40 Å. The Th(3)-F(8) bond length is 2.19 Å. The Th(3)-F(9) bond length is 2.33 Å. Both Th(3)-F(19) bond lengths are 2.44 Å. Both Th(3)-F(20) bond lengths are 2.41 Å. In the fourth Th site, Th(4) is bonded in a 8-coordinate geometry to one F(14), one F(2), one F(3), one F(9), two equivalent F(23), and two equivalent F(25) atoms. The Th(4)-F(14) bond length is 2.34 Å. The Th(4)-F(2) bond length is 2.30 Å. The Th(4)-F(3) bond length is 2.28 Å. The Th(4)-F(9) bond length is 2.25 Å. Both Th(4)-F(23) bond lengths are 2.78 Å. Both Th(4)-F(25) bond lengths are 2.87 Å. In the fifth Th site, Th(5) is bonded in a 9-coordinate geometry to one F(17), one F(19), one F(22), one F(24), one F(26), two equivalent F(6), and two equivalent F(7) atoms. The Th(5)-F(17) bond length is 2.56 Å. The Th(5)-F(19) bond length is 2.70 Å. The Th(5)-F(22) bond length is 2.31 Å. The Th(5)-F(24) bond length is 2.50 Å. The Th(5)-F(26) bond length is 2.29 Å. Both Th(5)-F(6) bond lengths are 2.48 Å. Both Th(5)-F(7) bond lengths are 2.38 Å. There are three inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 8-coordinate geometry to one F(18), one F(21), one F(25), one F(27), two equivalent F(10), and two equivalent F(3) atoms. The Sm(1)-F(18) bond length is 2.39 Å. The Sm(1)-F(21) bond length is 2.38 Å. The Sm(1)-F(25) bond length is 2.26 Å. The Sm(1)-F(27) bond length is 2.26 Å. Both Sm(1)-F(10) bond lengths are 2.38 Å. Both Sm(1)-F(3) bond lengths are 2.59 Å. In the second Sm site, Sm(2) is bonded in a 7-coordinate geometry to one F(16), one F(21), one F(26), two equivalent F(11), and two equivalent F(12) atoms. The Sm(2)-F(16) bond length is 2.31 Å. The Sm(2)-F(21) bond length is 2.21 Å. The Sm(2)-F(26) bond length is 2.27 Å. Both Sm(2)-F(11) bond lengths are 2.45 Å. Both Sm(2)-F(12) bond lengths are 2.46 Å. In the third Sm site, Sm(3) is bonded in a 8-coordinate geometry to one F(20), one F(22), one F(23), one F(27), two equivalent F(13), and two equivalent F(14) atoms. The Sm(3)-F(20) bond length is 2.59 Å. The Sm(3)-F(22) bond length is 2.40 Å. The Sm(3)-F(23) bond length is 2.22 Å. The Sm(3)-F(27) bond length is 2.20 Å. Both Sm(3)-F(13) bond lengths are 2.36 Å. Both Sm(3)-F(14) bond lengths are 2.58 Å. There are twenty-seven inequivalent F sites. In the first F site, F(1) is bonded in a bent 150 degrees geometry to one Th(1) and one Th(3) atom. In the second F site, F(2) is bonded in a bent 150 degrees geometry to one Th(2) and one Th(4) atom. In the third F site, F(3) is bonded in a trigonal planar geometry to one Th(4) and two equivalent Sm(1) atoms. In the fourth F site, F(4) is bonded in a distorted single-bond geometry to one Th(2) atom. In the fifth F site, F(5) is bonded in a bent 150 degrees geometry to one Th(1) and one Th(2) atom. In the sixth F site, F(6) is bonded in a trigonal planar geometry to one Th(3) and two equivalent Th(5) atoms. In the seventh F site, F(7) is bonded in a distorted trigonal planar geometry to one Th(1) and two equivalent Th(5) atoms. In the eighth F site, F(8) is bonded in a single-bond geometry to one Th(3) atom. In the ninth F site, F(9) is bonded in a bent 150 degrees geometry to one Th(3) and one Th(4) atom. In the tenth F site, F(10) is bonded in a trigonal non-coplanar geometry to one Th(2) and two equivalent Sm(1) atoms. In the eleventh F site, F(11) is bonded in a trigonal planar geometry to one Th(2) and two equivalent Sm(2) atoms. In the twelfth F site, F(12) is bonded in a trigonal planar geometry to one Th(1) and two equivalent Sm(2) atoms. In the thirteenth F site, F(13) is bonded in a trigonal planar geometry to one Th(3) and two equivalent Sm(3) atoms. In the fourteenth F site, F(14) is bonded in a distorted trigonal non-coplanar geometry to one Th(4) and two equivalent Sm(3) atoms. In the fifteenth F site, F(15) is bonded in a distorted bent 120 degrees geometry to two equivalent Th(2) atoms. In the sixteenth F site, F(16) is bonded in a trigonal non-coplanar geometry to two equivalent Th(1) and one Sm(2) atom. In the seventeenth F site, F(17) is bonded in a trigonal planar geometry to one Th(5) and two equivalent Th(1) atoms. In the eighteenth F site, F(18) is bonded in a trigonal non-coplanar geometry to two equivalent Th(2) and one Sm(1) atom. In the nineteenth F site, F(19) is bonded in a trigonal non-coplanar geometry to one Th(5) and two equivalent Th(3) atoms. In the twentieth F site, F(20) is bonded in a trigonal non-coplanar geometry to two equivalent Th(3) and one Sm(3) atom. In the twenty-first F site, F(21) is bonded in a bent 150 degrees geometry to one Sm(1) and one Sm(2) atom. In the twenty-second F site, F(22) is bonded in a bent 150 degrees geometry to one Th(5) and one Sm(3) atom. In the twenty-third F site, F(23) is bonded in a distorted single-bond geometry to two equivalent Th(4) and one Sm(3) atom. In the twenty-fourth F site, F(24) is bonded in a trigonal planar geometry to one Th(5) and two equivalent Th(1) atoms. In the twenty-fifth F site, F(25) is bonded in a distorted single-bond geometry to two equivalent Th(4) and one Sm(1) atom. In the twenty-sixth F site, F(26) is bonded in a bent 150 degrees geometry to one Th(5) and one Sm(2) atom. In the twenty-seventh F site, F(27) is bonded in a bent 150 degrees geometry to one Sm(1) and one Sm(3) atom.