The material structure described by Tm5Bi3 crystallizes in the orthorhombic Pnma space group. There are four inequivalent Tm sites. In the first Tm site, Tm(1) is bonded to one Bi(1) and four equivalent Bi(2) atoms to form distorted TmBi5 square pyramids that share corners with five equivalent Tm(3)Bi6 octahedra,  an edgeedge with one Tm(3)Bi6 octahedra, edges with two equivalent Tm(1)Bi5 square pyramids, and  a faceface with one Tm(3)Bi6 octahedra. The corner-sharing octahedral tilt angles range from 36-46°. In the second Tm site, Tm(2) is bonded in a 5-coordinate geometry to one Bi(1) and four equivalent Bi(2) atoms. In the third Tm site, Tm(3) is bonded to two equivalent Bi(1) and four equivalent Bi(2) atoms to form distorted TmBi6 octahedra that share corners with five equivalent Tm(1)Bi5 square pyramids,  an edgeedge with one Tm(1)Bi5 square pyramid, faces with two equivalent Tm(3)Bi6 octahedra, and  a faceface with one Tm(1)Bi5 square pyramid. In the fourth Tm site, Tm(4) is bonded in a 5-coordinate geometry to two equivalent Bi(1) and three equivalent Bi(2) atoms. There are two inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 8-coordinate geometry to one Tm(1), one Tm(2), two equivalent Tm(3), and four equivalent Tm(4) atoms. In the second Bi site, Bi(2) is bonded in a 9-coordinate geometry to two equivalent Tm(1), two equivalent Tm(2), two equivalent Tm(3), and three equivalent Tm(4) atoms. is represented by the CIF card [CIF]
data_Tm5Bi3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.127
_cell_length_b   9.346
_cell_length_c   11.848
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   899.922
_cell_formula_units_Z   4
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  0.024  0.250  0.511  1.0
  Tm  Tm1  1  0.976  0.750  0.489  1.0
  Tm  Tm2  1  0.476  0.750  0.011  1.0
  Tm  Tm3  1  0.524  0.250  0.989  1.0
  Tm  Tm4  1  0.356  0.250  0.284  1.0
  Tm  Tm5  1  0.644  0.750  0.716  1.0
  Tm  Tm6  1  0.144  0.750  0.784  1.0
  Tm  Tm7  1  0.856  0.250  0.216  1.0
  Tm  Tm8  1  0.186  0.250  0.783  1.0
  Tm  Tm9  1  0.814  0.750  0.217  1.0
  Tm  Tm10  1  0.314  0.750  0.283  1.0
  Tm  Tm11  1  0.686  0.250  0.717  1.0
  Tm  Tm12  1  0.193  0.066  0.060  1.0
  Tm  Tm13  1  0.807  0.934  0.940  1.0
  Tm  Tm14  1  0.307  0.934  0.560  1.0
  Tm  Tm15  1  0.807  0.566  0.940  1.0
  Tm  Tm16  1  0.693  0.066  0.440  1.0
  Tm  Tm17  1  0.193  0.434  0.060  1.0
  Tm  Tm18  1  0.693  0.434  0.440  1.0
  Tm  Tm19  1  0.307  0.566  0.560  1.0
  Bi  Bi20  1  0.406  0.250  0.542  1.0
  Bi  Bi21  1  0.594  0.750  0.458  1.0
  Bi  Bi22  1  0.094  0.750  0.042  1.0
  Bi  Bi23  1  0.906  0.250  0.958  1.0
  Bi  Bi24  1  0.066  0.004  0.326  1.0
  Bi  Bi25  1  0.934  0.996  0.674  1.0
  Bi  Bi26  1  0.434  0.996  0.826  1.0
  Bi  Bi27  1  0.934  0.504  0.674  1.0
  Bi  Bi28  1  0.566  0.004  0.174  1.0
  Bi  Bi29  1  0.066  0.496  0.326  1.0
  Bi  Bi30  1  0.566  0.496  0.174  1.0
  Bi  Bi31  1  0.434  0.504  0.826  1.0
[/CIF]
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The material structure described by Tm5Bi3 crystallizes in the orthorhombic Pnma space group. There are four inequivalent Tm sites. In the first Tm site, Tm(1) is bonded to one Bi(1) and four equivalent Bi(2) atoms to form distorted TmBi5 square pyramids that share corners with five equivalent Tm(3)Bi6 octahedra,  an edgeedge with one Tm(3)Bi6 octahedra, edges with two equivalent Tm(1)Bi5 square pyramids, and  a faceface with one Tm(3)Bi6 octahedra. The corner-sharing octahedral tilt angles range from 36-46°. In the second Tm site, Tm(2) is bonded in a 5-coordinate geometry to one Bi(1) and four equivalent Bi(2) atoms. In the third Tm site, Tm(3) is bonded to two equivalent Bi(1) and four equivalent Bi(2) atoms to form distorted TmBi6 octahedra that share corners with five equivalent Tm(1)Bi5 square pyramids,  an edgeedge with one Tm(1)Bi5 square pyramid, faces with two equivalent Tm(3)Bi6 octahedra, and  a faceface with one Tm(1)Bi5 square pyramid. In the fourth Tm site, Tm(4) is bonded in a 5-coordinate geometry to two equivalent Bi(1) and three equivalent Bi(2) atoms. There are two inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 8-coordinate geometry to one Tm(1), one Tm(2), two equivalent Tm(3), and four equivalent Tm(4) atoms. In the second Bi site, Bi(2) is bonded in a 9-coordinate geometry to two equivalent Tm(1), two equivalent Tm(2), two equivalent Tm(3), and three equivalent Tm(4) atoms. is represented by the CIF card [CIF]
data_Tm5Bi3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.127
_cell_length_b   9.346
_cell_length_c   11.848
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   899.922
_cell_formula_units_Z   4
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  0.024  0.250  0.511  1.0
  Tm  Tm1  1  0.976  0.750  0.489  1.0
  Tm  Tm2  1  0.476  0.750  0.011  1.0
  Tm  Tm3  1  0.524  0.250  0.989  1.0
  Tm  Tm4  1  0.356  0.250  0.284  1.0
  Tm  Tm5  1  0.644  0.750  0.716  1.0
  Tm  Tm6  1  0.144  0.750  0.784  1.0
  Tm  Tm7  1  0.856  0.250  0.216  1.0
  Tm  Tm8  1  0.186  0.250  0.783  1.0
  Tm  Tm9  1  0.814  0.750  0.217  1.0
  Tm  Tm10  1  0.314  0.750  0.283  1.0
  Tm  Tm11  1  0.686  0.250  0.717  1.0
  Tm  Tm12  1  0.193  0.066  0.060  1.0
  Tm  Tm13  1  0.807  0.934  0.940  1.0
  Tm  Tm14  1  0.307  0.934  0.560  1.0
  Tm  Tm15  1  0.807  0.566  0.940  1.0
  Tm  Tm16  1  0.693  0.066  0.440  1.0
  Tm  Tm17  1  0.193  0.434  0.060  1.0
  Tm  Tm18  1  0.693  0.434  0.440  1.0
  Tm  Tm19  1  0.307  0.566  0.560  1.0
  Bi  Bi20  1  0.406  0.250  0.542  1.0
  Bi  Bi21  1  0.594  0.750  0.458  1.0
  Bi  Bi22  1  0.094  0.750  0.042  1.0
  Bi  Bi23  1  0.906  0.250  0.958  1.0
  Bi  Bi24  1  0.066  0.004  0.326  1.0
  Bi  Bi25  1  0.934  0.996  0.674  1.0
  Bi  Bi26  1  0.434  0.996  0.826  1.0
  Bi  Bi27  1  0.934  0.504  0.674  1.0
  Bi  Bi28  1  0.566  0.004  0.174  1.0
  Bi  Bi29  1  0.066  0.496  0.326  1.0
  Bi  Bi30  1  0.566  0.496  0.174  1.0
  Bi  Bi31  1  0.434  0.504  0.826  1.0
[/CIF]
.