The material structure described by Dy18Mn(FeBi3)2 crystallizes in the orthorhombic Amm2 space group. There are ten inequivalent Dy sites. In the first Dy site, Dy(1) is bonded to two equivalent Mn(1) and two equivalent Bi(3) atoms to form distorted corner-sharing DyMn2Bi2 tetrahedra. In the second Dy site, Dy(2) is bonded in a 4-coordinate geometry to two equivalent Fe(1), one Bi(1), and one Bi(2) atom. In the third Dy site, Dy(3) is bonded in a 4-coordinate geometry to two equivalent Fe(1), one Bi(1), and one Bi(3) atom. In the fourth Dy site, Dy(4) is bonded in a 4-coordinate geometry to two equivalent Fe(1) and two equivalent Bi(2) atoms. In the fifth Dy site, Dy(5) is bonded in a 4-coordinate geometry to two equivalent Mn(1), one Bi(1), and one Bi(3) atom. In the sixth Dy site, Dy(6) is bonded in a 5-coordinate geometry to one Mn(1) and four equivalent Bi(3) atoms. In the seventh Dy site, Dy(7) is bonded in a 5-coordinate geometry to one Fe(1), two equivalent Bi(1), and two equivalent Bi(2) atoms. In the eighth Dy site, Dy(8) is bonded in a 5-coordinate geometry to one Mn(1), two equivalent Bi(1), and two equivalent Bi(3) atoms. In the ninth Dy site, Dy(9) is bonded in a 5-coordinate geometry to one Fe(1) and four equivalent Bi(2) atoms. In the tenth Dy site, Dy(10) is bonded in a 5-coordinate geometry to one Fe(1), two equivalent Bi(1), and two equivalent Bi(3) atoms. Mn(1) is bonded in a 9-coordinate geometry to one Dy(6), two equivalent Dy(1), two equivalent Dy(8), and four equivalent Dy(5) atoms. Fe(1) is bonded in a 9-coordinate geometry to one Dy(10), one Dy(7), one Dy(9), two equivalent Dy(2), two equivalent Dy(3), and two equivalent Dy(4) atoms. There are three inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 9-coordinate geometry to one Dy(2), one Dy(3), one Dy(5), two equivalent Dy(10), two equivalent Dy(7), and two equivalent Dy(8) atoms. In the second Bi site, Bi(2) is bonded in a 9-coordinate geometry to one Dy(2), two equivalent Dy(4), two equivalent Dy(7), and four equivalent Dy(9) atoms. In the third Bi site, Bi(3) is bonded in a 9-coordinate geometry to one Dy(1), one Dy(3), one Dy(5), two equivalent Dy(10), two equivalent Dy(6), and two equivalent Dy(8) atoms. is represented by the CIF file [CIF]
data_Dy18Mn(FeBi3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.210
_cell_length_b   8.327
_cell_length_c   22.145
_cell_angle_alpha   79.164
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   762.514
_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
  Dy  Dy0  1  0.000  0.234  0.000  1.0
  Dy  Dy1  1  0.000  0.565  0.333  1.0
  Dy  Dy2  1  0.000  0.899  0.667  1.0
  Dy  Dy3  1  0.000  0.256  0.256  1.0
  Dy  Dy4  1  0.000  0.590  0.589  1.0
  Dy  Dy5  1  0.000  0.922  0.922  1.0
  Dy  Dy6  1  0.000  0.843  0.078  1.0
  Dy  Dy7  1  0.000  0.179  0.411  1.0
  Dy  Dy8  1  0.000  0.512  0.744  1.0
  Dy  Dy9  1  0.500  0.603  0.000  1.0
  Dy  Dy10  1  0.500  0.936  0.333  1.0
  Dy  Dy11  1  0.500  0.269  0.667  1.0
  Dy  Dy12  1  0.500  0.132  0.133  1.0
  Dy  Dy13  1  0.500  0.466  0.466  1.0
  Dy  Dy14  1  0.500  0.799  0.800  1.0
  Dy  Dy15  1  0.500  0.599  0.200  1.0
  Dy  Dy16  1  0.500  0.932  0.534  1.0
  Dy  Dy17  1  0.500  0.265  0.867  1.0
  Mn  Mn18  1  0.500  1.000  0.000  1.0
  Fe  Fe19  1  0.500  0.333  0.333  1.0
  Fe  Fe20  1  0.500  0.666  0.667  1.0
  Bi  Bi21  1  0.000  0.889  0.222  1.0
  Bi  Bi22  1  0.000  0.222  0.555  1.0
  Bi  Bi23  1  0.000  0.555  0.888  1.0
  Bi  Bi24  1  0.000  0.444  0.112  1.0
  Bi  Bi25  1  0.000  0.778  0.445  1.0
  Bi  Bi26  1  0.000  0.112  0.778  1.0
[/CIF]
.
The material structure described by Dy18Mn(FeBi3)2 crystallizes in the orthorhombic Amm2 space group. There are ten inequivalent Dy sites. In the first Dy site, Dy(1) is bonded to two equivalent Mn(1) and two equivalent Bi(3) atoms to form distorted corner-sharing DyMn2Bi2 tetrahedra. In the second Dy site, Dy(2) is bonded in a 4-coordinate geometry to two equivalent Fe(1), one Bi(1), and one Bi(2) atom. In the third Dy site, Dy(3) is bonded in a 4-coordinate geometry to two equivalent Fe(1), one Bi(1), and one Bi(3) atom. In the fourth Dy site, Dy(4) is bonded in a 4-coordinate geometry to two equivalent Fe(1) and two equivalent Bi(2) atoms. In the fifth Dy site, Dy(5) is bonded in a 4-coordinate geometry to two equivalent Mn(1), one Bi(1), and one Bi(3) atom. In the sixth Dy site, Dy(6) is bonded in a 5-coordinate geometry to one Mn(1) and four equivalent Bi(3) atoms. In the seventh Dy site, Dy(7) is bonded in a 5-coordinate geometry to one Fe(1), two equivalent Bi(1), and two equivalent Bi(2) atoms. In the eighth Dy site, Dy(8) is bonded in a 5-coordinate geometry to one Mn(1), two equivalent Bi(1), and two equivalent Bi(3) atoms. In the ninth Dy site, Dy(9) is bonded in a 5-coordinate geometry to one Fe(1) and four equivalent Bi(2) atoms. In the tenth Dy site, Dy(10) is bonded in a 5-coordinate geometry to one Fe(1), two equivalent Bi(1), and two equivalent Bi(3) atoms. Mn(1) is bonded in a 9-coordinate geometry to one Dy(6), two equivalent Dy(1), two equivalent Dy(8), and four equivalent Dy(5) atoms. Fe(1) is bonded in a 9-coordinate geometry to one Dy(10), one Dy(7), one Dy(9), two equivalent Dy(2), two equivalent Dy(3), and two equivalent Dy(4) atoms. There are three inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 9-coordinate geometry to one Dy(2), one Dy(3), one Dy(5), two equivalent Dy(10), two equivalent Dy(7), and two equivalent Dy(8) atoms. In the second Bi site, Bi(2) is bonded in a 9-coordinate geometry to one Dy(2), two equivalent Dy(4), two equivalent Dy(7), and four equivalent Dy(9) atoms. In the third Bi site, Bi(3) is bonded in a 9-coordinate geometry to one Dy(1), one Dy(3), one Dy(5), two equivalent Dy(10), two equivalent Dy(6), and two equivalent Dy(8) atoms. is represented by the CIF file [CIF]
data_Dy18Mn(FeBi3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.210
_cell_length_b   8.327
_cell_length_c   22.145
_cell_angle_alpha   79.164
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   762.514
_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
  Dy  Dy0  1  0.000  0.234  0.000  1.0
  Dy  Dy1  1  0.000  0.565  0.333  1.0
  Dy  Dy2  1  0.000  0.899  0.667  1.0
  Dy  Dy3  1  0.000  0.256  0.256  1.0
  Dy  Dy4  1  0.000  0.590  0.589  1.0
  Dy  Dy5  1  0.000  0.922  0.922  1.0
  Dy  Dy6  1  0.000  0.843  0.078  1.0
  Dy  Dy7  1  0.000  0.179  0.411  1.0
  Dy  Dy8  1  0.000  0.512  0.744  1.0
  Dy  Dy9  1  0.500  0.603  0.000  1.0
  Dy  Dy10  1  0.500  0.936  0.333  1.0
  Dy  Dy11  1  0.500  0.269  0.667  1.0
  Dy  Dy12  1  0.500  0.132  0.133  1.0
  Dy  Dy13  1  0.500  0.466  0.466  1.0
  Dy  Dy14  1  0.500  0.799  0.800  1.0
  Dy  Dy15  1  0.500  0.599  0.200  1.0
  Dy  Dy16  1  0.500  0.932  0.534  1.0
  Dy  Dy17  1  0.500  0.265  0.867  1.0
  Mn  Mn18  1  0.500  1.000  0.000  1.0
  Fe  Fe19  1  0.500  0.333  0.333  1.0
  Fe  Fe20  1  0.500  0.666  0.667  1.0
  Bi  Bi21  1  0.000  0.889  0.222  1.0
  Bi  Bi22  1  0.000  0.222  0.555  1.0
  Bi  Bi23  1  0.000  0.555  0.888  1.0
  Bi  Bi24  1  0.000  0.444  0.112  1.0
  Bi  Bi25  1  0.000  0.778  0.445  1.0
  Bi  Bi26  1  0.000  0.112  0.778  1.0
[/CIF]
.