The structure described by Yb9Mn4Bi9 is Magnesium tetraboride-derived structured and crystallizes in the orthorhombic Pbam space group. There are five inequivalent Yb sites. In the first Yb site, Yb(1) is bonded in a 8-coordinate geometry to two equivalent Mn(1), two equivalent Bi(4), and four equivalent Bi(2) atoms. In the second Yb site, Yb(2) is bonded in a 10-coordinate geometry to two equivalent Mn(1), two equivalent Mn(2), one Bi(2), one Bi(3), two equivalent Bi(4), and two equivalent Bi(5) atoms. In the third Yb site, Yb(3) is bonded in a 8-coordinate geometry to two equivalent Mn(1), one Bi(2), one Bi(3), two equivalent Bi(1), and two equivalent Bi(5) atoms. In the fourth Yb site, Yb(4) is bonded to two equivalent Bi(3), two equivalent Bi(4), and two equivalent Bi(5) atoms to form a mixture of distorted edge and corner-sharing YbBi6 octahedra. The corner-sharing octahedral tilt angles are 45°. In the fifth Yb site, Yb(5) is bonded in a 7-coordinate geometry to one Mn(1), one Bi(1), one Bi(4), two equivalent Bi(2), and two equivalent Bi(3) atoms. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 10-coordinate geometry to one Yb(1), one Yb(5), two equivalent Yb(2), two equivalent Yb(3), one Bi(1), one Bi(5), and two equivalent Bi(2) atoms. In the second Mn site, Mn(2) is bonded in a 4-coordinate geometry to two equivalent Yb(2), one Bi(4), one Bi(5), and two equivalent Bi(3) atoms. There are five inequivalent Bi sites. In the first Bi site, Bi(3) is bonded in a 7-coordinate geometry to one Yb(2), one Yb(3), two equivalent Yb(4), two equivalent Yb(5), and two equivalent Mn(2) atoms. In the second Bi site, Bi(4) is bonded in a 7-coordinate geometry to one Yb(1), one Yb(5), two equivalent Yb(2), two equivalent Yb(4), and one Mn(2) atom. In the third Bi site, Bi(5) is bonded in a 8-coordinate geometry to two equivalent Yb(2), two equivalent Yb(3), two equivalent Yb(4), one Mn(1), and one Mn(2) atom. In the fourth Bi site, Bi(1) is bonded in a body-centered cubic geometry to two equivalent Yb(5), four equivalent Yb(3), and two equivalent Mn(1) atoms. In the fifth Bi site, Bi(2) is bonded in a 8-coordinate geometry to one Yb(2), one Yb(3), two equivalent Yb(1), two equivalent Yb(5), and two equivalent Mn(1) atoms. is represented by the CIF card [CIF]
data_Yb9Mn4Bi9
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   12.389
_cell_length_b   22.252
_cell_length_c   4.762
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   1312.937
_cell_formula_units_Z   2
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
  Yb  Yb0  1  0.500  0.500  0.500  1.0
  Yb  Yb1  1  0.000  0.000  0.500  1.0
  Yb  Yb2  1  0.637  0.360  0.000  1.0
  Yb  Yb3  1  0.363  0.640  0.000  1.0
  Yb  Yb4  1  0.863  0.860  0.000  1.0
  Yb  Yb5  1  0.137  0.140  0.000  1.0
  Yb  Yb6  1  0.935  0.410  0.000  1.0
  Yb  Yb7  1  0.065  0.590  0.000  1.0
  Yb  Yb8  1  0.565  0.910  0.000  1.0
  Yb  Yb9  1  0.435  0.090  0.000  1.0
  Yb  Yb10  1  0.881  0.235  0.000  1.0
  Yb  Yb11  1  0.119  0.765  0.000  1.0
  Yb  Yb12  1  0.619  0.735  0.000  1.0
  Yb  Yb13  1  0.381  0.265  0.000  1.0
  Yb  Yb14  1  0.714  0.101  0.500  1.0
  Yb  Yb15  1  0.286  0.899  0.500  1.0
  Yb  Yb16  1  0.786  0.601  0.500  1.0
  Yb  Yb17  1  0.214  0.399  0.500  1.0
  Mn  Mn18  1  0.776  0.453  0.500  1.0
  Mn  Mn19  1  0.224  0.547  0.500  1.0
  Mn  Mn20  1  0.724  0.953  0.500  1.0
  Mn  Mn21  1  0.276  0.047  0.500  1.0
  Mn  Mn22  1  0.614  0.259  0.500  1.0
  Mn  Mn23  1  0.386  0.741  0.500  1.0
  Mn  Mn24  1  0.886  0.759  0.500  1.0
  Mn  Mn25  1  0.114  0.241  0.500  1.0
  Bi  Bi26  1  0.000  0.500  0.500  1.0
  Bi  Bi27  1  0.500  0.000  0.500  1.0
  Bi  Bi28  1  0.805  0.005  0.000  1.0
  Bi  Bi29  1  0.195  0.995  0.000  1.0
  Bi  Bi30  1  0.695  0.505  0.000  1.0
  Bi  Bi31  1  0.305  0.495  0.000  1.0
  Bi  Bi32  1  0.624  0.192  0.000  1.0
  Bi  Bi33  1  0.376  0.808  0.000  1.0
  Bi  Bi34  1  0.876  0.692  0.000  1.0
  Bi  Bi35  1  0.124  0.308  0.000  1.0
  Bi  Bi36  1  0.961  0.147  0.500  1.0
  Bi  Bi37  1  0.039  0.853  0.500  1.0
  Bi  Bi38  1  0.539  0.647  0.500  1.0
  Bi  Bi39  1  0.461  0.353  0.500  1.0
  Bi  Bi40  1  0.815  0.329  0.500  1.0
  Bi  Bi41  1  0.185  0.671  0.500  1.0
  Bi  Bi42  1  0.685  0.829  0.500  1.0
  Bi  Bi43  1  0.315  0.171  0.500  1.0
[/CIF]
.
The structure described by Yb9Mn4Bi9 is Magnesium tetraboride-derived structured and crystallizes in the orthorhombic Pbam space group. There are five inequivalent Yb sites. In the first Yb site, Yb(1) is bonded in a 8-coordinate geometry to two equivalent Mn(1), two equivalent Bi(4), and four equivalent Bi(2) atoms. In the second Yb site, Yb(2) is bonded in a 10-coordinate geometry to two equivalent Mn(1), two equivalent Mn(2), one Bi(2), one Bi(3), two equivalent Bi(4), and two equivalent Bi(5) atoms. In the third Yb site, Yb(3) is bonded in a 8-coordinate geometry to two equivalent Mn(1), one Bi(2), one Bi(3), two equivalent Bi(1), and two equivalent Bi(5) atoms. In the fourth Yb site, Yb(4) is bonded to two equivalent Bi(3), two equivalent Bi(4), and two equivalent Bi(5) atoms to form a mixture of distorted edge and corner-sharing YbBi6 octahedra. The corner-sharing octahedral tilt angles are 45°. In the fifth Yb site, Yb(5) is bonded in a 7-coordinate geometry to one Mn(1), one Bi(1), one Bi(4), two equivalent Bi(2), and two equivalent Bi(3) atoms. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 10-coordinate geometry to one Yb(1), one Yb(5), two equivalent Yb(2), two equivalent Yb(3), one Bi(1), one Bi(5), and two equivalent Bi(2) atoms. In the second Mn site, Mn(2) is bonded in a 4-coordinate geometry to two equivalent Yb(2), one Bi(4), one Bi(5), and two equivalent Bi(3) atoms. There are five inequivalent Bi sites. In the first Bi site, Bi(3) is bonded in a 7-coordinate geometry to one Yb(2), one Yb(3), two equivalent Yb(4), two equivalent Yb(5), and two equivalent Mn(2) atoms. In the second Bi site, Bi(4) is bonded in a 7-coordinate geometry to one Yb(1), one Yb(5), two equivalent Yb(2), two equivalent Yb(4), and one Mn(2) atom. In the third Bi site, Bi(5) is bonded in a 8-coordinate geometry to two equivalent Yb(2), two equivalent Yb(3), two equivalent Yb(4), one Mn(1), and one Mn(2) atom. In the fourth Bi site, Bi(1) is bonded in a body-centered cubic geometry to two equivalent Yb(5), four equivalent Yb(3), and two equivalent Mn(1) atoms. In the fifth Bi site, Bi(2) is bonded in a 8-coordinate geometry to one Yb(2), one Yb(3), two equivalent Yb(1), two equivalent Yb(5), and two equivalent Mn(1) atoms. is represented by the CIF card [CIF]
data_Yb9Mn4Bi9
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   12.389
_cell_length_b   22.252
_cell_length_c   4.762
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   1312.937
_cell_formula_units_Z   2
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
  Yb  Yb0  1  0.500  0.500  0.500  1.0
  Yb  Yb1  1  0.000  0.000  0.500  1.0
  Yb  Yb2  1  0.637  0.360  0.000  1.0
  Yb  Yb3  1  0.363  0.640  0.000  1.0
  Yb  Yb4  1  0.863  0.860  0.000  1.0
  Yb  Yb5  1  0.137  0.140  0.000  1.0
  Yb  Yb6  1  0.935  0.410  0.000  1.0
  Yb  Yb7  1  0.065  0.590  0.000  1.0
  Yb  Yb8  1  0.565  0.910  0.000  1.0
  Yb  Yb9  1  0.435  0.090  0.000  1.0
  Yb  Yb10  1  0.881  0.235  0.000  1.0
  Yb  Yb11  1  0.119  0.765  0.000  1.0
  Yb  Yb12  1  0.619  0.735  0.000  1.0
  Yb  Yb13  1  0.381  0.265  0.000  1.0
  Yb  Yb14  1  0.714  0.101  0.500  1.0
  Yb  Yb15  1  0.286  0.899  0.500  1.0
  Yb  Yb16  1  0.786  0.601  0.500  1.0
  Yb  Yb17  1  0.214  0.399  0.500  1.0
  Mn  Mn18  1  0.776  0.453  0.500  1.0
  Mn  Mn19  1  0.224  0.547  0.500  1.0
  Mn  Mn20  1  0.724  0.953  0.500  1.0
  Mn  Mn21  1  0.276  0.047  0.500  1.0
  Mn  Mn22  1  0.614  0.259  0.500  1.0
  Mn  Mn23  1  0.386  0.741  0.500  1.0
  Mn  Mn24  1  0.886  0.759  0.500  1.0
  Mn  Mn25  1  0.114  0.241  0.500  1.0
  Bi  Bi26  1  0.000  0.500  0.500  1.0
  Bi  Bi27  1  0.500  0.000  0.500  1.0
  Bi  Bi28  1  0.805  0.005  0.000  1.0
  Bi  Bi29  1  0.195  0.995  0.000  1.0
  Bi  Bi30  1  0.695  0.505  0.000  1.0
  Bi  Bi31  1  0.305  0.495  0.000  1.0
  Bi  Bi32  1  0.624  0.192  0.000  1.0
  Bi  Bi33  1  0.376  0.808  0.000  1.0
  Bi  Bi34  1  0.876  0.692  0.000  1.0
  Bi  Bi35  1  0.124  0.308  0.000  1.0
  Bi  Bi36  1  0.961  0.147  0.500  1.0
  Bi  Bi37  1  0.039  0.853  0.500  1.0
  Bi  Bi38  1  0.539  0.647  0.500  1.0
  Bi  Bi39  1  0.461  0.353  0.500  1.0
  Bi  Bi40  1  0.815  0.329  0.500  1.0
  Bi  Bi41  1  0.185  0.671  0.500  1.0
  Bi  Bi42  1  0.685  0.829  0.500  1.0
  Bi  Bi43  1  0.315  0.171  0.500  1.0
[/CIF]
.