The material structure described by Tm12Co5Bi crystallizes in the orthorhombic Immm space group. There are three inequivalent Tm sites. In the first Tm site, Tm(1) is bonded in a 5-coordinate geometry to one Co(1), one Co(3), two equivalent Co(2), and one Bi(1) atom. In the second Tm site, Tm(2) is bonded in a 4-coordinate geometry to one Co(2), two equivalent Co(1), and one Bi(1) atom. In the third Tm site, Tm(3) is bonded in a 2-coordinate geometry to one Co(1), one Co(2), one Co(3), and one Bi(1) atom. There are three inequivalent Co sites. In the first Co site, Co(1) is bonded in a 9-coordinate geometry to two equivalent Tm(1), two equivalent Tm(3), four equivalent Tm(2), and one Co(1) atom. In the second Co site, Co(2) is bonded in a 9-coordinate geometry to two equivalent Tm(2), two equivalent Tm(3), four equivalent Tm(1), and one Co(2) atom. In the third Co site, Co(3) is bonded in a distorted body-centered cubic geometry to four equivalent Tm(1) and four equivalent Tm(3) atoms. Bi(1) is bonded in a cuboctahedral geometry to four equivalent Tm(1), four equivalent Tm(2), and four equivalent Tm(3) atoms. is represented by the CIF card [CIF]
data_Tm12Co5Bi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.165
_cell_length_b   8.165
_cell_length_c   8.165
_cell_angle_alpha   110.483
_cell_angle_beta   111.129
_cell_angle_gamma   106.834
_symmetry_Int_Tables_number   1
_cell_volume   418.323
_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
  Tm  Tm0  1  0.285  0.182  0.467  1.0
  Tm  Tm1  1  0.715  0.818  0.533  1.0
  Tm  Tm2  1  0.285  0.818  0.103  1.0
  Tm  Tm3  1  0.715  0.182  0.897  1.0
  Tm  Tm4  1  0.618  0.310  0.308  1.0
  Tm  Tm5  1  0.382  0.690  0.692  1.0
  Tm  Tm6  1  0.002  0.310  0.692  1.0
  Tm  Tm7  1  0.998  0.690  0.308  1.0
  Tm  Tm8  1  0.211  0.410  0.199  1.0
  Tm  Tm9  1  0.789  0.590  0.801  1.0
  Tm  Tm10  1  0.211  0.012  0.801  1.0
  Tm  Tm11  1  0.789  0.988  0.199  1.0
  Co  Co12  1  0.000  0.380  0.380  1.0
  Co  Co13  1  1.000  0.620  0.620  1.0
  Co  Co14  1  0.389  0.889  0.500  1.0
  Co  Co15  1  0.611  0.111  0.500  1.0
  Co  Co16  1  0.000  0.000  0.000  1.0
  Bi  Bi17  1  0.500  0.500  1.000  1.0
[/CIF]
.
The material structure described by Tm12Co5Bi crystallizes in the orthorhombic Immm space group. There are three inequivalent Tm sites. In the first Tm site, Tm(1) is bonded in a 5-coordinate geometry to one Co(1), one Co(3), two equivalent Co(2), and one Bi(1) atom. In the second Tm site, Tm(2) is bonded in a 4-coordinate geometry to one Co(2), two equivalent Co(1), and one Bi(1) atom. In the third Tm site, Tm(3) is bonded in a 2-coordinate geometry to one Co(1), one Co(2), one Co(3), and one Bi(1) atom. There are three inequivalent Co sites. In the first Co site, Co(1) is bonded in a 9-coordinate geometry to two equivalent Tm(1), two equivalent Tm(3), four equivalent Tm(2), and one Co(1) atom. In the second Co site, Co(2) is bonded in a 9-coordinate geometry to two equivalent Tm(2), two equivalent Tm(3), four equivalent Tm(1), and one Co(2) atom. In the third Co site, Co(3) is bonded in a distorted body-centered cubic geometry to four equivalent Tm(1) and four equivalent Tm(3) atoms. Bi(1) is bonded in a cuboctahedral geometry to four equivalent Tm(1), four equivalent Tm(2), and four equivalent Tm(3) atoms. is represented by the CIF card [CIF]
data_Tm12Co5Bi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.165
_cell_length_b   8.165
_cell_length_c   8.165
_cell_angle_alpha   110.483
_cell_angle_beta   111.129
_cell_angle_gamma   106.834
_symmetry_Int_Tables_number   1
_cell_volume   418.323
_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
  Tm  Tm0  1  0.285  0.182  0.467  1.0
  Tm  Tm1  1  0.715  0.818  0.533  1.0
  Tm  Tm2  1  0.285  0.818  0.103  1.0
  Tm  Tm3  1  0.715  0.182  0.897  1.0
  Tm  Tm4  1  0.618  0.310  0.308  1.0
  Tm  Tm5  1  0.382  0.690  0.692  1.0
  Tm  Tm6  1  0.002  0.310  0.692  1.0
  Tm  Tm7  1  0.998  0.690  0.308  1.0
  Tm  Tm8  1  0.211  0.410  0.199  1.0
  Tm  Tm9  1  0.789  0.590  0.801  1.0
  Tm  Tm10  1  0.211  0.012  0.801  1.0
  Tm  Tm11  1  0.789  0.988  0.199  1.0
  Co  Co12  1  0.000  0.380  0.380  1.0
  Co  Co13  1  1.000  0.620  0.620  1.0
  Co  Co14  1  0.389  0.889  0.500  1.0
  Co  Co15  1  0.611  0.111  0.500  1.0
  Co  Co16  1  0.000  0.000  0.000  1.0
  Bi  Bi17  1  0.500  0.500  1.000  1.0
[/CIF]
.