The structure described by 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. is represented by the CIF card [CIF]
data_Sm3Th5F27
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.127
_cell_length_b   7.342
_cell_length_c   17.253
_cell_angle_alpha   88.484
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   522.646
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Sm  Sm0  1  0.750  0.650  0.580  1.0
  Sm  Sm1  1  0.750  0.833  0.328  1.0
  Sm  Sm2  1  0.750  0.806  0.818  1.0
  Th  Th3  1  0.250  0.163  0.171  1.0
  Th  Th4  1  0.250  0.369  0.417  1.0
  Th  Th5  1  0.250  0.361  0.915  1.0
  Th  Th6  1  0.250  0.178  0.670  1.0
  Th  Th7  1  0.750  0.674  0.083  1.0
  F  F8  1  0.250  0.212  0.041  1.0
  F  F9  1  0.250  0.193  0.537  1.0
  F  F10  1  0.250  0.481  0.637  1.0
  F  F11  1  0.250  0.074  0.388  1.0
  F  F12  1  0.250  0.341  0.276  1.0
  F  F13  1  0.250  0.582  0.015  1.0
  F  F14  1  0.250  0.822  0.110  1.0
  F  F15  1  0.250  0.068  0.895  1.0
  F  F16  1  0.250  0.336  0.781  1.0
  F  F17  1  0.250  0.621  0.512  1.0
  F  F18  1  0.250  0.667  0.359  1.0
  F  F19  1  0.250  0.908  0.256  1.0
  F  F20  1  0.250  0.676  0.857  1.0
  F  F21  1  0.250  0.896  0.736  1.0
  F  F22  1  0.750  0.437  0.357  1.0
  F  F23  1  0.750  0.104  0.257  1.0
  F  F24  1  0.750  0.353  0.145  1.0
  F  F25  1  0.750  0.396  0.495  1.0
  F  F26  1  0.750  0.387  0.989  1.0
  F  F27  1  0.750  0.461  0.855  1.0
  F  F28  1  0.750  0.801  0.456  1.0
  F  F29  1  0.750  0.790  0.957  1.0
  F  F30  1  0.750  0.093  0.773  1.0
  F  F31  1  0.750  0.003  0.117  1.0
  F  F32  1  0.750  0.946  0.613  1.0
  F  F33  1  0.750  0.676  0.216  1.0
  F  F34  1  0.750  0.651  0.711  1.0
[/CIF]
.
The structure described by 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. is represented by the CIF card [CIF]
data_Sm3Th5F27
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.127
_cell_length_b   7.342
_cell_length_c   17.253
_cell_angle_alpha   88.484
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   522.646
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Sm  Sm0  1  0.750  0.650  0.580  1.0
  Sm  Sm1  1  0.750  0.833  0.328  1.0
  Sm  Sm2  1  0.750  0.806  0.818  1.0
  Th  Th3  1  0.250  0.163  0.171  1.0
  Th  Th4  1  0.250  0.369  0.417  1.0
  Th  Th5  1  0.250  0.361  0.915  1.0
  Th  Th6  1  0.250  0.178  0.670  1.0
  Th  Th7  1  0.750  0.674  0.083  1.0
  F  F8  1  0.250  0.212  0.041  1.0
  F  F9  1  0.250  0.193  0.537  1.0
  F  F10  1  0.250  0.481  0.637  1.0
  F  F11  1  0.250  0.074  0.388  1.0
  F  F12  1  0.250  0.341  0.276  1.0
  F  F13  1  0.250  0.582  0.015  1.0
  F  F14  1  0.250  0.822  0.110  1.0
  F  F15  1  0.250  0.068  0.895  1.0
  F  F16  1  0.250  0.336  0.781  1.0
  F  F17  1  0.250  0.621  0.512  1.0
  F  F18  1  0.250  0.667  0.359  1.0
  F  F19  1  0.250  0.908  0.256  1.0
  F  F20  1  0.250  0.676  0.857  1.0
  F  F21  1  0.250  0.896  0.736  1.0
  F  F22  1  0.750  0.437  0.357  1.0
  F  F23  1  0.750  0.104  0.257  1.0
  F  F24  1  0.750  0.353  0.145  1.0
  F  F25  1  0.750  0.396  0.495  1.0
  F  F26  1  0.750  0.387  0.989  1.0
  F  F27  1  0.750  0.461  0.855  1.0
  F  F28  1  0.750  0.801  0.456  1.0
  F  F29  1  0.750  0.790  0.957  1.0
  F  F30  1  0.750  0.093  0.773  1.0
  F  F31  1  0.750  0.003  0.117  1.0
  F  F32  1  0.750  0.946  0.613  1.0
  F  F33  1  0.750  0.676  0.216  1.0
  F  F34  1  0.750  0.651  0.711  1.0
[/CIF]
.