The material described by Tb24Fe3CoBi8 crystallizes in the monoclinic Pm space group. There are twenty-four inequivalent Tb sites. In the first Tb site, Tb(1) is bonded in a 4-coordinate geometry to two equivalent Fe(1), one Bi(1), and one Bi(5) atom. In the second Tb site, Tb(2) is bonded in a 4-coordinate geometry to two equivalent Fe(2), one Bi(2), and one Bi(6) atom. In the third Tb site, Tb(3) is bonded in a 4-coordinate geometry to two equivalent Fe(3), one Bi(3), and one Bi(7) atom. In the fourth Tb site, Tb(4) is bonded in a 4-coordinate geometry to two equivalent Co(1), one Bi(4), and one Bi(8) atom. In the fifth Tb site, Tb(5) is bonded in a 5-coordinate geometry to one Fe(1), two equivalent Bi(1), and two equivalent Bi(6) atoms. In the sixth Tb site, Tb(6) is bonded in a 5-coordinate geometry to one Fe(2), two equivalent Bi(2), and two equivalent Bi(7) atoms. In the seventh Tb site, Tb(7) is bonded in a 5-coordinate geometry to one Fe(3), two equivalent Bi(3), and two equivalent Bi(8) atoms. In the eighth Tb site, Tb(8) is bonded in a 5-coordinate geometry to one Co(1), two equivalent Bi(4), and two equivalent Bi(5) atoms. In the ninth Tb site, Tb(9) is bonded in a 5-coordinate geometry to one Fe(1), two equivalent Bi(1), and two equivalent Bi(5) atoms. In the tenth Tb site, Tb(10) is bonded in a 5-coordinate geometry to one Fe(2), two equivalent Bi(2), and two equivalent Bi(6) atoms. In the eleventh Tb site, Tb(11) is bonded in a 5-coordinate geometry to one Fe(3), two equivalent Bi(3), and two equivalent Bi(7) atoms. In the twelfth Tb site, Tb(12) is bonded in a 5-coordinate geometry to one Co(1), two equivalent Bi(4), and two equivalent Bi(8) atoms. In the thirteenth Tb site, Tb(13) is bonded in a 5-coordinate geometry to one Co(1), two equivalent Bi(1), and two equivalent Bi(5) atoms. In the fourteenth Tb site, Tb(14) is bonded in a 5-coordinate geometry to one Fe(1), two equivalent Bi(2), and two equivalent Bi(6) atoms. In the fifteenth Tb site, Tb(15) is bonded in a 5-coordinate geometry to one Fe(2), two equivalent Bi(3), and two equivalent Bi(7) atoms. In the sixteenth Tb site, Tb(16) is bonded in a 5-coordinate geometry to one Fe(3), two equivalent Bi(4), and two equivalent Bi(8) atoms. In the seventeenth Tb site, Tb(17) is bonded in a 4-coordinate geometry to two equivalent Co(1), one Bi(4), and one Bi(5) atom. In the eighteenth Tb site, Tb(18) is bonded in a 4-coordinate geometry to two equivalent Fe(1), one Bi(1), and one Bi(6) atom. In the nineteenth Tb site, Tb(19) is bonded in a 4-coordinate geometry to two equivalent Fe(2), one Bi(2), and one Bi(7) atom. In the twentieth Tb site, Tb(20) is bonded in a 4-coordinate geometry to two equivalent Fe(3), one Bi(3), and one Bi(8) atom. In the twenty-first Tb site, Tb(21) is bonded in a 4-coordinate geometry to two equivalent Co(1), one Bi(1), and one Bi(5) atom. In the twenty-second Tb site, Tb(22) is bonded in a 4-coordinate geometry to two equivalent Fe(1), one Bi(2), and one Bi(6) atom. In the twenty-third Tb site, Tb(23) is bonded in a 4-coordinate geometry to two equivalent Fe(2), one Bi(3), and one Bi(7) atom. In the twenty-fourth Tb site, Tb(24) is bonded in a 4-coordinate geometry to two equivalent Fe(3), one Bi(4), and one Bi(8) atom. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded in a 9-coordinate geometry to one Tb(14), one Tb(5), one Tb(9), two equivalent Tb(1), two equivalent Tb(18), and two equivalent Tb(22) atoms. In the second Fe site, Fe(2) is bonded in a 9-coordinate geometry to one Tb(10), one Tb(15), one Tb(6), two equivalent Tb(19), two equivalent Tb(2), and two equivalent Tb(23) atoms. In the third Fe site, Fe(3) is bonded in a 9-coordinate geometry to one Tb(11), one Tb(16), one Tb(7), two equivalent Tb(20), two equivalent Tb(24), and two equivalent Tb(3) atoms. Co(1) is bonded in a 9-coordinate geometry to one Tb(12), one Tb(13), one Tb(8), two equivalent Tb(17), two equivalent Tb(21), and two equivalent Tb(4) atoms. There are eight inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 9-coordinate geometry to one Tb(1), one Tb(18), one Tb(21), two equivalent Tb(13), two equivalent Tb(5), and two equivalent Tb(9) atoms. In the second Bi site, Bi(2) is bonded in a 9-coordinate geometry to one Tb(19), one Tb(2), one Tb(22), two equivalent Tb(10), two equivalent Tb(14), and two equivalent Tb(6) atoms. In the third Bi site, Bi(3) is bonded in a 9-coordinate geometry to one Tb(20), one Tb(23), one Tb(3), two equivalent Tb(11), two equivalent Tb(15), and two equivalent Tb(7) atoms. In the fourth Bi site, Bi(4) is bonded in a 9-coordinate geometry to one Tb(17), one Tb(24), one Tb(4), two equivalent Tb(12), two equivalent Tb(16), and two equivalent Tb(8) atoms. In the fifth Bi site, Bi(5) is bonded in a 9-coordinate geometry to one Tb(1), one Tb(17), one Tb(21), two equivalent Tb(13), two equivalent Tb(8), and two equivalent Tb(9) atoms. In the sixth Bi site, Bi(6) is bonded in a 9-coordinate geometry to one Tb(18), one Tb(2), one Tb(22), two equivalent Tb(10), two equivalent Tb(14), and two equivalent Tb(5) atoms. In the seventh Bi site, Bi(7) is bonded in a 9-coordinate geometry to one Tb(19), one Tb(23), one Tb(3), two equivalent Tb(11), two equivalent Tb(15), and two equivalent Tb(6) atoms. In the eighth Bi site, Bi(8) is bonded in a 9-coordinate geometry to one Tb(20), one Tb(24), one Tb(4), two equivalent Tb(12), two equivalent Tb(16), and two equivalent Tb(7) atoms. is represented by the CIF card [CIF]
data_Tb24Fe3CoBi8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.184
_cell_length_b   8.403
_cell_length_c   29.180
_cell_angle_alpha   89.953
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   1025.953
_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
  Tb  Tb0  1  0.000  0.372  0.192  1.0
  Tb  Tb1  1  0.000  0.872  0.442  1.0
  Tb  Tb2  1  0.000  0.372  0.692  1.0
  Tb  Tb3  1  0.000  0.873  0.942  1.0
  Tb  Tb4  1  0.500  0.098  0.250  1.0
  Tb  Tb5  1  0.500  0.598  0.500  1.0
  Tb  Tb6  1  0.500  0.098  0.750  1.0
  Tb  Tb7  1  0.500  0.598  0.000  1.0
  Tb  Tb8  1  0.500  0.687  0.153  1.0
  Tb  Tb9  1  0.500  0.187  0.403  1.0
  Tb  Tb10  1  0.500  0.687  0.653  1.0
  Tb  Tb11  1  0.500  0.186  0.902  1.0
  Tb  Tb12  1  0.500  0.193  0.102  1.0
  Tb  Tb13  1  0.500  0.691  0.351  1.0
  Tb  Tb14  1  0.500  0.190  0.601  1.0
  Tb  Tb15  1  0.500  0.690  0.850  1.0
  Tb  Tb16  1  0.000  0.215  0.001  1.0
  Tb  Tb17  1  0.000  0.714  0.251  1.0
  Tb  Tb18  1  0.000  0.215  0.501  1.0
  Tb  Tb19  1  0.000  0.714  0.751  1.0
  Tb  Tb20  1  0.000  0.876  0.058  1.0
  Tb  Tb21  1  0.000  0.375  0.308  1.0
  Tb  Tb22  1  0.000  0.874  0.558  1.0
  Tb  Tb23  1  0.000  0.374  0.808  1.0
  Fe  Fe24  1  0.500  0.479  0.249  1.0
  Fe  Fe25  1  0.500  0.980  0.498  1.0
  Fe  Fe26  1  0.500  0.480  0.749  1.0
  Co  Co27  1  0.500  0.981  0.997  1.0
  Bi  Bi28  1  0.000  0.988  0.168  1.0
  Bi  Bi29  1  0.000  0.488  0.417  1.0
  Bi  Bi30  1  0.000  0.988  0.668  1.0
  Bi  Bi31  1  0.000  0.488  0.917  1.0
  Bi  Bi32  1  0.000  0.493  0.084  1.0
  Bi  Bi33  1  0.000  0.991  0.333  1.0
  Bi  Bi34  1  0.000  0.491  0.584  1.0
  Bi  Bi35  1  0.000  0.990  0.834  1.0
[/CIF]
.
The material described by Tb24Fe3CoBi8 crystallizes in the monoclinic Pm space group. There are twenty-four inequivalent Tb sites. In the first Tb site, Tb(1) is bonded in a 4-coordinate geometry to two equivalent Fe(1), one Bi(1), and one Bi(5) atom. In the second Tb site, Tb(2) is bonded in a 4-coordinate geometry to two equivalent Fe(2), one Bi(2), and one Bi(6) atom. In the third Tb site, Tb(3) is bonded in a 4-coordinate geometry to two equivalent Fe(3), one Bi(3), and one Bi(7) atom. In the fourth Tb site, Tb(4) is bonded in a 4-coordinate geometry to two equivalent Co(1), one Bi(4), and one Bi(8) atom. In the fifth Tb site, Tb(5) is bonded in a 5-coordinate geometry to one Fe(1), two equivalent Bi(1), and two equivalent Bi(6) atoms. In the sixth Tb site, Tb(6) is bonded in a 5-coordinate geometry to one Fe(2), two equivalent Bi(2), and two equivalent Bi(7) atoms. In the seventh Tb site, Tb(7) is bonded in a 5-coordinate geometry to one Fe(3), two equivalent Bi(3), and two equivalent Bi(8) atoms. In the eighth Tb site, Tb(8) is bonded in a 5-coordinate geometry to one Co(1), two equivalent Bi(4), and two equivalent Bi(5) atoms. In the ninth Tb site, Tb(9) is bonded in a 5-coordinate geometry to one Fe(1), two equivalent Bi(1), and two equivalent Bi(5) atoms. In the tenth Tb site, Tb(10) is bonded in a 5-coordinate geometry to one Fe(2), two equivalent Bi(2), and two equivalent Bi(6) atoms. In the eleventh Tb site, Tb(11) is bonded in a 5-coordinate geometry to one Fe(3), two equivalent Bi(3), and two equivalent Bi(7) atoms. In the twelfth Tb site, Tb(12) is bonded in a 5-coordinate geometry to one Co(1), two equivalent Bi(4), and two equivalent Bi(8) atoms. In the thirteenth Tb site, Tb(13) is bonded in a 5-coordinate geometry to one Co(1), two equivalent Bi(1), and two equivalent Bi(5) atoms. In the fourteenth Tb site, Tb(14) is bonded in a 5-coordinate geometry to one Fe(1), two equivalent Bi(2), and two equivalent Bi(6) atoms. In the fifteenth Tb site, Tb(15) is bonded in a 5-coordinate geometry to one Fe(2), two equivalent Bi(3), and two equivalent Bi(7) atoms. In the sixteenth Tb site, Tb(16) is bonded in a 5-coordinate geometry to one Fe(3), two equivalent Bi(4), and two equivalent Bi(8) atoms. In the seventeenth Tb site, Tb(17) is bonded in a 4-coordinate geometry to two equivalent Co(1), one Bi(4), and one Bi(5) atom. In the eighteenth Tb site, Tb(18) is bonded in a 4-coordinate geometry to two equivalent Fe(1), one Bi(1), and one Bi(6) atom. In the nineteenth Tb site, Tb(19) is bonded in a 4-coordinate geometry to two equivalent Fe(2), one Bi(2), and one Bi(7) atom. In the twentieth Tb site, Tb(20) is bonded in a 4-coordinate geometry to two equivalent Fe(3), one Bi(3), and one Bi(8) atom. In the twenty-first Tb site, Tb(21) is bonded in a 4-coordinate geometry to two equivalent Co(1), one Bi(1), and one Bi(5) atom. In the twenty-second Tb site, Tb(22) is bonded in a 4-coordinate geometry to two equivalent Fe(1), one Bi(2), and one Bi(6) atom. In the twenty-third Tb site, Tb(23) is bonded in a 4-coordinate geometry to two equivalent Fe(2), one Bi(3), and one Bi(7) atom. In the twenty-fourth Tb site, Tb(24) is bonded in a 4-coordinate geometry to two equivalent Fe(3), one Bi(4), and one Bi(8) atom. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded in a 9-coordinate geometry to one Tb(14), one Tb(5), one Tb(9), two equivalent Tb(1), two equivalent Tb(18), and two equivalent Tb(22) atoms. In the second Fe site, Fe(2) is bonded in a 9-coordinate geometry to one Tb(10), one Tb(15), one Tb(6), two equivalent Tb(19), two equivalent Tb(2), and two equivalent Tb(23) atoms. In the third Fe site, Fe(3) is bonded in a 9-coordinate geometry to one Tb(11), one Tb(16), one Tb(7), two equivalent Tb(20), two equivalent Tb(24), and two equivalent Tb(3) atoms. Co(1) is bonded in a 9-coordinate geometry to one Tb(12), one Tb(13), one Tb(8), two equivalent Tb(17), two equivalent Tb(21), and two equivalent Tb(4) atoms. There are eight inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 9-coordinate geometry to one Tb(1), one Tb(18), one Tb(21), two equivalent Tb(13), two equivalent Tb(5), and two equivalent Tb(9) atoms. In the second Bi site, Bi(2) is bonded in a 9-coordinate geometry to one Tb(19), one Tb(2), one Tb(22), two equivalent Tb(10), two equivalent Tb(14), and two equivalent Tb(6) atoms. In the third Bi site, Bi(3) is bonded in a 9-coordinate geometry to one Tb(20), one Tb(23), one Tb(3), two equivalent Tb(11), two equivalent Tb(15), and two equivalent Tb(7) atoms. In the fourth Bi site, Bi(4) is bonded in a 9-coordinate geometry to one Tb(17), one Tb(24), one Tb(4), two equivalent Tb(12), two equivalent Tb(16), and two equivalent Tb(8) atoms. In the fifth Bi site, Bi(5) is bonded in a 9-coordinate geometry to one Tb(1), one Tb(17), one Tb(21), two equivalent Tb(13), two equivalent Tb(8), and two equivalent Tb(9) atoms. In the sixth Bi site, Bi(6) is bonded in a 9-coordinate geometry to one Tb(18), one Tb(2), one Tb(22), two equivalent Tb(10), two equivalent Tb(14), and two equivalent Tb(5) atoms. In the seventh Bi site, Bi(7) is bonded in a 9-coordinate geometry to one Tb(19), one Tb(23), one Tb(3), two equivalent Tb(11), two equivalent Tb(15), and two equivalent Tb(6) atoms. In the eighth Bi site, Bi(8) is bonded in a 9-coordinate geometry to one Tb(20), one Tb(24), one Tb(4), two equivalent Tb(12), two equivalent Tb(16), and two equivalent Tb(7) atoms. is represented by the CIF card [CIF]
data_Tb24Fe3CoBi8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.184
_cell_length_b   8.403
_cell_length_c   29.180
_cell_angle_alpha   89.953
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   1025.953
_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
  Tb  Tb0  1  0.000  0.372  0.192  1.0
  Tb  Tb1  1  0.000  0.872  0.442  1.0
  Tb  Tb2  1  0.000  0.372  0.692  1.0
  Tb  Tb3  1  0.000  0.873  0.942  1.0
  Tb  Tb4  1  0.500  0.098  0.250  1.0
  Tb  Tb5  1  0.500  0.598  0.500  1.0
  Tb  Tb6  1  0.500  0.098  0.750  1.0
  Tb  Tb7  1  0.500  0.598  0.000  1.0
  Tb  Tb8  1  0.500  0.687  0.153  1.0
  Tb  Tb9  1  0.500  0.187  0.403  1.0
  Tb  Tb10  1  0.500  0.687  0.653  1.0
  Tb  Tb11  1  0.500  0.186  0.902  1.0
  Tb  Tb12  1  0.500  0.193  0.102  1.0
  Tb  Tb13  1  0.500  0.691  0.351  1.0
  Tb  Tb14  1  0.500  0.190  0.601  1.0
  Tb  Tb15  1  0.500  0.690  0.850  1.0
  Tb  Tb16  1  0.000  0.215  0.001  1.0
  Tb  Tb17  1  0.000  0.714  0.251  1.0
  Tb  Tb18  1  0.000  0.215  0.501  1.0
  Tb  Tb19  1  0.000  0.714  0.751  1.0
  Tb  Tb20  1  0.000  0.876  0.058  1.0
  Tb  Tb21  1  0.000  0.375  0.308  1.0
  Tb  Tb22  1  0.000  0.874  0.558  1.0
  Tb  Tb23  1  0.000  0.374  0.808  1.0
  Fe  Fe24  1  0.500  0.479  0.249  1.0
  Fe  Fe25  1  0.500  0.980  0.498  1.0
  Fe  Fe26  1  0.500  0.480  0.749  1.0
  Co  Co27  1  0.500  0.981  0.997  1.0
  Bi  Bi28  1  0.000  0.988  0.168  1.0
  Bi  Bi29  1  0.000  0.488  0.417  1.0
  Bi  Bi30  1  0.000  0.988  0.668  1.0
  Bi  Bi31  1  0.000  0.488  0.917  1.0
  Bi  Bi32  1  0.000  0.493  0.084  1.0
  Bi  Bi33  1  0.000  0.991  0.333  1.0
  Bi  Bi34  1  0.000  0.491  0.584  1.0
  Bi  Bi35  1  0.000  0.990  0.834  1.0
[/CIF]
.