The structure described by Dy3Ni19B10 crystallizes in the monoclinic C2/m space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 14-coordinate geometry to two equivalent Ni(1), two equivalent Ni(3), two equivalent Ni(4), four equivalent Ni(6), and four equivalent Ni(7) atoms. In the second Dy site, Dy(2) is bonded in a 20-coordinate geometry to one Ni(3), one Ni(4), two equivalent Ni(2), two equivalent Ni(6), four equivalent Ni(5), four equivalent Ni(7), two equivalent B(1), two equivalent B(2), and two equivalent B(3) atoms. There are seven inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 4-coordinate geometry to two equivalent Dy(1), two equivalent Ni(3), and four equivalent B(3) atoms. In the second Ni site, Ni(2) is bonded in a 5-coordinate geometry to two equivalent Dy(2), two equivalent B(1), and two equivalent B(2) atoms. In the third Ni site, Ni(3) is bonded in a 10-coordinate geometry to one Dy(1), one Dy(2), one Ni(1), one Ni(4), two equivalent Ni(5), two equivalent B(2), and two equivalent B(3) atoms. In the fourth Ni site, Ni(4) is bonded in a 5-coordinate geometry to one Dy(1), one Dy(2), one Ni(3), two equivalent B(2), and two equivalent B(3) atoms. In the fifth Ni site, Ni(5) is bonded in a 4-coordinate geometry to two equivalent Dy(2), one Ni(3), two equivalent B(2), and two equivalent B(3) atoms. In the sixth Ni site, Ni(6) is bonded in a 4-coordinate geometry to one Dy(1), one Dy(2), one B(1), one B(3), and two equivalent B(2) atoms. In the seventh Ni site, Ni(7) is bonded in a 3-coordinate geometry to one Dy(1), two equivalent Dy(2), one B(1), and two equivalent B(3) atoms. There are three inequivalent B sites. In the first B site, B(1) is bonded in a 9-coordinate geometry to two equivalent Dy(2), two equivalent Ni(2), two equivalent Ni(6), two equivalent Ni(7), and one B(1) atom. In the second B site, B(2) is bonded in a 9-coordinate geometry to one Dy(2), one Ni(2), one Ni(3), one Ni(4), two equivalent Ni(5), two equivalent Ni(6), and one B(2) atom. In the third B site, B(3) is bonded in a 9-coordinate geometry to one Dy(2), one Ni(1), one Ni(3), one Ni(4), one Ni(6), two equivalent Ni(5), and two equivalent Ni(7) atoms. is represented by the CIF file [CIF]
data_Dy3Ni19B10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.864
_cell_length_b   7.864
_cell_length_c   5.756
_cell_angle_alpha   88.903
_cell_angle_beta   88.903
_cell_angle_gamma   67.141
_symmetry_Int_Tables_number   1
_cell_volume   327.904
_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  0.000  0.000  1.0
  Dy  Dy1  1  0.625  0.625  0.614  1.0
  Dy  Dy2  1  0.375  0.375  0.386  1.0
  Ni  Ni3  1  0.000  0.000  0.500  1.0
  Ni  Ni4  1  0.622  0.622  0.127  1.0
  Ni  Ni5  1  0.378  0.378  0.873  1.0
  Ni  Ni6  1  0.163  0.163  0.297  1.0
  Ni  Ni7  1  0.837  0.837  0.703  1.0
  Ni  Ni8  1  0.182  0.182  0.729  1.0
  Ni  Ni9  1  0.818  0.818  0.271  1.0
  Ni  Ni10  1  0.483  0.955  0.302  1.0
  Ni  Ni11  1  0.955  0.483  0.302  1.0
  Ni  Ni12  1  0.517  0.045  0.698  1.0
  Ni  Ni13  1  0.045  0.517  0.698  1.0
  Ni  Ni14  1  0.122  0.623  0.074  1.0
  Ni  Ni15  1  0.623  0.122  0.074  1.0
  Ni  Ni16  1  0.878  0.377  0.926  1.0
  Ni  Ni17  1  0.377  0.878  0.926  1.0
  Ni  Ni18  1  0.771  0.289  0.301  1.0
  Ni  Ni19  1  0.289  0.771  0.301  1.0
  Ni  Ni20  1  0.229  0.711  0.699  1.0
  Ni  Ni21  1  0.711  0.229  0.699  1.0
  B  B22  1  0.384  0.616  0.000  1.0
  B  B23  1  0.616  0.384  0.000  1.0
  B  B24  1  0.651  0.857  0.974  1.0
  B  B25  1  0.857  0.651  0.974  1.0
  B  B26  1  0.349  0.143  0.026  1.0
  B  B27  1  0.143  0.349  0.026  1.0
  B  B28  1  0.935  0.301  0.569  1.0
  B  B29  1  0.301  0.935  0.569  1.0
  B  B30  1  0.065  0.699  0.431  1.0
  B  B31  1  0.699  0.065  0.431  1.0
[/CIF]
.
The structure described by Dy3Ni19B10 crystallizes in the monoclinic C2/m space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 14-coordinate geometry to two equivalent Ni(1), two equivalent Ni(3), two equivalent Ni(4), four equivalent Ni(6), and four equivalent Ni(7) atoms. In the second Dy site, Dy(2) is bonded in a 20-coordinate geometry to one Ni(3), one Ni(4), two equivalent Ni(2), two equivalent Ni(6), four equivalent Ni(5), four equivalent Ni(7), two equivalent B(1), two equivalent B(2), and two equivalent B(3) atoms. There are seven inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 4-coordinate geometry to two equivalent Dy(1), two equivalent Ni(3), and four equivalent B(3) atoms. In the second Ni site, Ni(2) is bonded in a 5-coordinate geometry to two equivalent Dy(2), two equivalent B(1), and two equivalent B(2) atoms. In the third Ni site, Ni(3) is bonded in a 10-coordinate geometry to one Dy(1), one Dy(2), one Ni(1), one Ni(4), two equivalent Ni(5), two equivalent B(2), and two equivalent B(3) atoms. In the fourth Ni site, Ni(4) is bonded in a 5-coordinate geometry to one Dy(1), one Dy(2), one Ni(3), two equivalent B(2), and two equivalent B(3) atoms. In the fifth Ni site, Ni(5) is bonded in a 4-coordinate geometry to two equivalent Dy(2), one Ni(3), two equivalent B(2), and two equivalent B(3) atoms. In the sixth Ni site, Ni(6) is bonded in a 4-coordinate geometry to one Dy(1), one Dy(2), one B(1), one B(3), and two equivalent B(2) atoms. In the seventh Ni site, Ni(7) is bonded in a 3-coordinate geometry to one Dy(1), two equivalent Dy(2), one B(1), and two equivalent B(3) atoms. There are three inequivalent B sites. In the first B site, B(1) is bonded in a 9-coordinate geometry to two equivalent Dy(2), two equivalent Ni(2), two equivalent Ni(6), two equivalent Ni(7), and one B(1) atom. In the second B site, B(2) is bonded in a 9-coordinate geometry to one Dy(2), one Ni(2), one Ni(3), one Ni(4), two equivalent Ni(5), two equivalent Ni(6), and one B(2) atom. In the third B site, B(3) is bonded in a 9-coordinate geometry to one Dy(2), one Ni(1), one Ni(3), one Ni(4), one Ni(6), two equivalent Ni(5), and two equivalent Ni(7) atoms. is represented by the CIF file [CIF]
data_Dy3Ni19B10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.864
_cell_length_b   7.864
_cell_length_c   5.756
_cell_angle_alpha   88.903
_cell_angle_beta   88.903
_cell_angle_gamma   67.141
_symmetry_Int_Tables_number   1
_cell_volume   327.904
_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  0.000  0.000  1.0
  Dy  Dy1  1  0.625  0.625  0.614  1.0
  Dy  Dy2  1  0.375  0.375  0.386  1.0
  Ni  Ni3  1  0.000  0.000  0.500  1.0
  Ni  Ni4  1  0.622  0.622  0.127  1.0
  Ni  Ni5  1  0.378  0.378  0.873  1.0
  Ni  Ni6  1  0.163  0.163  0.297  1.0
  Ni  Ni7  1  0.837  0.837  0.703  1.0
  Ni  Ni8  1  0.182  0.182  0.729  1.0
  Ni  Ni9  1  0.818  0.818  0.271  1.0
  Ni  Ni10  1  0.483  0.955  0.302  1.0
  Ni  Ni11  1  0.955  0.483  0.302  1.0
  Ni  Ni12  1  0.517  0.045  0.698  1.0
  Ni  Ni13  1  0.045  0.517  0.698  1.0
  Ni  Ni14  1  0.122  0.623  0.074  1.0
  Ni  Ni15  1  0.623  0.122  0.074  1.0
  Ni  Ni16  1  0.878  0.377  0.926  1.0
  Ni  Ni17  1  0.377  0.878  0.926  1.0
  Ni  Ni18  1  0.771  0.289  0.301  1.0
  Ni  Ni19  1  0.289  0.771  0.301  1.0
  Ni  Ni20  1  0.229  0.711  0.699  1.0
  Ni  Ni21  1  0.711  0.229  0.699  1.0
  B  B22  1  0.384  0.616  0.000  1.0
  B  B23  1  0.616  0.384  0.000  1.0
  B  B24  1  0.651  0.857  0.974  1.0
  B  B25  1  0.857  0.651  0.974  1.0
  B  B26  1  0.349  0.143  0.026  1.0
  B  B27  1  0.143  0.349  0.026  1.0
  B  B28  1  0.935  0.301  0.569  1.0
  B  B29  1  0.301  0.935  0.569  1.0
  B  B30  1  0.065  0.699  0.431  1.0
  B  B31  1  0.699  0.065  0.431  1.0
[/CIF]
.