The compound described by Dy5Sc5(Ir2Si5)4 crystallizes in the orthorhombic Amm2 space group. There are three inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 14-coordinate geometry to four equivalent Ir(2), two equivalent Si(9), four equivalent Si(3), and four equivalent Si(6) atoms. In the second Dy site, Dy(2) is bonded in a 14-coordinate geometry to two equivalent Ir(3), two equivalent Ir(4), one Si(10), one Si(11), two equivalent Si(1), two equivalent Si(2), two equivalent Si(4), and two equivalent Si(5) atoms. In the third Dy site, Dy(3) is bonded in a 16-coordinate geometry to one Ir(1), one Ir(2), one Ir(3), one Ir(4), one Si(4), one Si(5), one Si(6), one Si(7), two equivalent Si(10), two equivalent Si(11), two equivalent Si(8), and two equivalent Si(9) atoms. There are four inequivalent Sc sites. In the first Sc site, Sc(1) is bonded to four equivalent Ir(4), two equivalent Si(1), two equivalent Si(11), and four equivalent Si(7) atoms to form face-sharing ScSi8Ir4 cuboctahedra. In the second Sc site, Sc(2) is bonded to four equivalent Ir(3), two equivalent Si(10), two equivalent Si(2), and four equivalent Si(6) atoms to form face-sharing ScSi8Ir4 cuboctahedra. In the third Sc site, Sc(3) is bonded to two equivalent Ir(1), two equivalent Ir(2), one Si(8), one Si(9), two equivalent Si(3), two equivalent Si(4), and two equivalent Si(5) atoms to form distorted face-sharing ScSi8Ir4 cuboctahedra. In the fourth Sc site, Sc(4) is bonded in a 14-coordinate geometry to four equivalent Ir(1), two equivalent Si(8), four equivalent Si(3), and four equivalent Si(7) atoms. There are four inequivalent Ir sites. In the first Ir site, Ir(1) is bonded in a 10-coordinate geometry to one Dy(3), two equivalent Sc(3), two equivalent Sc(4), one Si(3), one Si(4), one Si(7), and two equivalent Si(8) atoms. In the second Ir site, Ir(2) is bonded in a 10-coordinate geometry to one Dy(3), two equivalent Dy(1), two equivalent Sc(3), one Si(3), one Si(5), one Si(6), and two equivalent Si(9) atoms. In the third Ir site, Ir(3) is bonded in a 10-coordinate geometry to one Dy(3), two equivalent Dy(2), two equivalent Sc(2), one Si(2), one Si(4), one Si(6), and two equivalent Si(10) atoms. In the fourth Ir site, Ir(4) is bonded in a 10-coordinate geometry to one Dy(3), two equivalent Dy(2), two equivalent Sc(1), one Si(1), one Si(5), one Si(7), and two equivalent Si(11) atoms. There are eleven inequivalent Si sites. In the first Si site, Si(1) is bonded in a 9-coordinate geometry to four equivalent Dy(2), two equivalent Sc(1), two equivalent Ir(4), and one Si(2) atom. In the second Si site, Si(2) is bonded in a 9-coordinate geometry to four equivalent Dy(2), two equivalent Sc(2), two equivalent Ir(3), and one Si(1) atom. In the third Si site, Si(3) is bonded in a 9-coordinate geometry to two equivalent Dy(1), two equivalent Sc(3), two equivalent Sc(4), one Ir(1), one Ir(2), and one Si(3) atom. In the fourth Si site, Si(4) is bonded in a 8-coordinate geometry to one Dy(3), two equivalent Dy(2), two equivalent Sc(3), one Ir(1), one Ir(3), and one Si(5) atom. In the fifth Si site, Si(5) is bonded in a 8-coordinate geometry to one Dy(3), two equivalent Dy(2), two equivalent Sc(3), one Ir(2), one Ir(4), and one Si(4) atom. In the sixth Si site, Si(6) is bonded in a 8-coordinate geometry to one Dy(3), two equivalent Dy(1), two equivalent Sc(2), one Ir(2), one Ir(3), and one Si(6) atom. In the seventh Si site, Si(7) is bonded in a 2-coordinate geometry to one Dy(3), two equivalent Sc(1), two equivalent Sc(4), one Ir(1), and one Ir(4) atom. In the eighth Si site, Si(8) is bonded in a 8-coordinate geometry to two equivalent Dy(3), one Sc(3), one Sc(4), two equivalent Ir(1), one Si(10), and one Si(11) atom. In the ninth Si site, Si(9) is bonded in a 8-coordinate geometry to one Dy(1), two equivalent Dy(3), one Sc(3), two equivalent Ir(2), one Si(10), and one Si(11) atom. In the tenth Si site, Si(10) is bonded in a 8-coordinate geometry to one Dy(2), two equivalent Dy(3), one Sc(2), two equivalent Ir(3), one Si(8), and one Si(9) atom. In the eleventh Si site, Si(11) is bonded in a 8-coordinate geometry to one Dy(2), two equivalent Dy(3), one Sc(1), two equivalent Ir(4), one Si(8), and one Si(9) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Dy5Sc5(Si5Ir2)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   12.533
_cell_length_b   12.533
_cell_length_c   4.185
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.089
_symmetry_Int_Tables_number   1
_cell_volume   657.397
_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  0.385  0.615  0.500  1.0
  Dy  Dy1  1  0.885  0.885  0.500  1.0
  Dy  Dy2  1  0.115  0.115  0.500  1.0
  Dy  Dy3  1  0.500  0.000  0.000  1.0
  Dy  Dy4  1  1.000  0.500  0.000  1.0
  Sc  Sc5  1  0.826  0.174  0.500  1.0
  Sc  Sc6  1  0.174  0.826  0.500  1.0
  Sc  Sc7  1  0.674  0.673  0.500  1.0
  Sc  Sc8  1  0.327  0.326  0.500  1.0
  Sc  Sc9  1  0.615  0.385  0.500  1.0
  Si  Si10  1  0.933  0.067  0.000  1.0
  Si  Si11  1  0.067  0.933  0.000  1.0
  Si  Si12  1  0.567  0.566  0.000  1.0
  Si  Si13  1  0.434  0.433  0.000  1.0
  Si  Si14  1  0.300  0.166  0.000  1.0
  Si  Si15  1  0.700  0.834  0.000  1.0
  Si  Si16  1  0.200  0.666  0.000  1.0
  Si  Si17  1  0.799  0.335  0.000  1.0
  Si  Si18  1  0.334  0.800  0.000  1.0
  Si  Si19  1  0.665  0.201  0.000  1.0
  Si  Si20  1  0.834  0.700  0.000  1.0
  Si  Si21  1  0.166  0.300  0.000  1.0
  Si  Si22  1  0.496  0.158  0.500  1.0
  Si  Si23  1  0.505  0.843  0.500  1.0
  Si  Si24  1  0.005  0.657  0.500  1.0
  Si  Si25  1  0.995  0.343  0.500  1.0
  Si  Si26  1  0.343  0.995  0.500  1.0
  Si  Si27  1  0.657  0.005  0.500  1.0
  Si  Si28  1  0.842  0.504  0.500  1.0
  Si  Si29  1  0.157  0.495  0.500  1.0
  Ir  Ir30  1  0.481  0.247  0.000  1.0
  Ir  Ir31  1  0.521  0.753  0.000  1.0
  Ir  Ir32  1  0.020  0.746  0.000  1.0
  Ir  Ir33  1  0.979  0.254  0.000  1.0
  Ir  Ir34  1  0.254  0.980  0.000  1.0
  Ir  Ir35  1  0.746  0.021  0.000  1.0
  Ir  Ir36  1  0.753  0.519  0.000  1.0
  Ir  Ir37  1  0.247  0.479  0.000  1.0
[/CIF]
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The compound described by Dy5Sc5(Ir2Si5)4 crystallizes in the orthorhombic Amm2 space group. There are three inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 14-coordinate geometry to four equivalent Ir(2), two equivalent Si(9), four equivalent Si(3), and four equivalent Si(6) atoms. In the second Dy site, Dy(2) is bonded in a 14-coordinate geometry to two equivalent Ir(3), two equivalent Ir(4), one Si(10), one Si(11), two equivalent Si(1), two equivalent Si(2), two equivalent Si(4), and two equivalent Si(5) atoms. In the third Dy site, Dy(3) is bonded in a 16-coordinate geometry to one Ir(1), one Ir(2), one Ir(3), one Ir(4), one Si(4), one Si(5), one Si(6), one Si(7), two equivalent Si(10), two equivalent Si(11), two equivalent Si(8), and two equivalent Si(9) atoms. There are four inequivalent Sc sites. In the first Sc site, Sc(1) is bonded to four equivalent Ir(4), two equivalent Si(1), two equivalent Si(11), and four equivalent Si(7) atoms to form face-sharing ScSi8Ir4 cuboctahedra. In the second Sc site, Sc(2) is bonded to four equivalent Ir(3), two equivalent Si(10), two equivalent Si(2), and four equivalent Si(6) atoms to form face-sharing ScSi8Ir4 cuboctahedra. In the third Sc site, Sc(3) is bonded to two equivalent Ir(1), two equivalent Ir(2), one Si(8), one Si(9), two equivalent Si(3), two equivalent Si(4), and two equivalent Si(5) atoms to form distorted face-sharing ScSi8Ir4 cuboctahedra. In the fourth Sc site, Sc(4) is bonded in a 14-coordinate geometry to four equivalent Ir(1), two equivalent Si(8), four equivalent Si(3), and four equivalent Si(7) atoms. There are four inequivalent Ir sites. In the first Ir site, Ir(1) is bonded in a 10-coordinate geometry to one Dy(3), two equivalent Sc(3), two equivalent Sc(4), one Si(3), one Si(4), one Si(7), and two equivalent Si(8) atoms. In the second Ir site, Ir(2) is bonded in a 10-coordinate geometry to one Dy(3), two equivalent Dy(1), two equivalent Sc(3), one Si(3), one Si(5), one Si(6), and two equivalent Si(9) atoms. In the third Ir site, Ir(3) is bonded in a 10-coordinate geometry to one Dy(3), two equivalent Dy(2), two equivalent Sc(2), one Si(2), one Si(4), one Si(6), and two equivalent Si(10) atoms. In the fourth Ir site, Ir(4) is bonded in a 10-coordinate geometry to one Dy(3), two equivalent Dy(2), two equivalent Sc(1), one Si(1), one Si(5), one Si(7), and two equivalent Si(11) atoms. There are eleven inequivalent Si sites. In the first Si site, Si(1) is bonded in a 9-coordinate geometry to four equivalent Dy(2), two equivalent Sc(1), two equivalent Ir(4), and one Si(2) atom. In the second Si site, Si(2) is bonded in a 9-coordinate geometry to four equivalent Dy(2), two equivalent Sc(2), two equivalent Ir(3), and one Si(1) atom. In the third Si site, Si(3) is bonded in a 9-coordinate geometry to two equivalent Dy(1), two equivalent Sc(3), two equivalent Sc(4), one Ir(1), one Ir(2), and one Si(3) atom. In the fourth Si site, Si(4) is bonded in a 8-coordinate geometry to one Dy(3), two equivalent Dy(2), two equivalent Sc(3), one Ir(1), one Ir(3), and one Si(5) atom. In the fifth Si site, Si(5) is bonded in a 8-coordinate geometry to one Dy(3), two equivalent Dy(2), two equivalent Sc(3), one Ir(2), one Ir(4), and one Si(4) atom. In the sixth Si site, Si(6) is bonded in a 8-coordinate geometry to one Dy(3), two equivalent Dy(1), two equivalent Sc(2), one Ir(2), one Ir(3), and one Si(6) atom. In the seventh Si site, Si(7) is bonded in a 2-coordinate geometry to one Dy(3), two equivalent Sc(1), two equivalent Sc(4), one Ir(1), and one Ir(4) atom. In the eighth Si site, Si(8) is bonded in a 8-coordinate geometry to two equivalent Dy(3), one Sc(3), one Sc(4), two equivalent Ir(1), one Si(10), and one Si(11) atom. In the ninth Si site, Si(9) is bonded in a 8-coordinate geometry to one Dy(1), two equivalent Dy(3), one Sc(3), two equivalent Ir(2), one Si(10), and one Si(11) atom. In the tenth Si site, Si(10) is bonded in a 8-coordinate geometry to one Dy(2), two equivalent Dy(3), one Sc(2), two equivalent Ir(3), one Si(8), and one Si(9) atom. In the eleventh Si site, Si(11) is bonded in a 8-coordinate geometry to one Dy(2), two equivalent Dy(3), one Sc(1), two equivalent Ir(4), one Si(8), and one Si(9) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Dy5Sc5(Si5Ir2)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   12.533
_cell_length_b   12.533
_cell_length_c   4.185
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.089
_symmetry_Int_Tables_number   1
_cell_volume   657.397
_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  0.385  0.615  0.500  1.0
  Dy  Dy1  1  0.885  0.885  0.500  1.0
  Dy  Dy2  1  0.115  0.115  0.500  1.0
  Dy  Dy3  1  0.500  0.000  0.000  1.0
  Dy  Dy4  1  1.000  0.500  0.000  1.0
  Sc  Sc5  1  0.826  0.174  0.500  1.0
  Sc  Sc6  1  0.174  0.826  0.500  1.0
  Sc  Sc7  1  0.674  0.673  0.500  1.0
  Sc  Sc8  1  0.327  0.326  0.500  1.0
  Sc  Sc9  1  0.615  0.385  0.500  1.0
  Si  Si10  1  0.933  0.067  0.000  1.0
  Si  Si11  1  0.067  0.933  0.000  1.0
  Si  Si12  1  0.567  0.566  0.000  1.0
  Si  Si13  1  0.434  0.433  0.000  1.0
  Si  Si14  1  0.300  0.166  0.000  1.0
  Si  Si15  1  0.700  0.834  0.000  1.0
  Si  Si16  1  0.200  0.666  0.000  1.0
  Si  Si17  1  0.799  0.335  0.000  1.0
  Si  Si18  1  0.334  0.800  0.000  1.0
  Si  Si19  1  0.665  0.201  0.000  1.0
  Si  Si20  1  0.834  0.700  0.000  1.0
  Si  Si21  1  0.166  0.300  0.000  1.0
  Si  Si22  1  0.496  0.158  0.500  1.0
  Si  Si23  1  0.505  0.843  0.500  1.0
  Si  Si24  1  0.005  0.657  0.500  1.0
  Si  Si25  1  0.995  0.343  0.500  1.0
  Si  Si26  1  0.343  0.995  0.500  1.0
  Si  Si27  1  0.657  0.005  0.500  1.0
  Si  Si28  1  0.842  0.504  0.500  1.0
  Si  Si29  1  0.157  0.495  0.500  1.0
  Ir  Ir30  1  0.481  0.247  0.000  1.0
  Ir  Ir31  1  0.521  0.753  0.000  1.0
  Ir  Ir32  1  0.020  0.746  0.000  1.0
  Ir  Ir33  1  0.979  0.254  0.000  1.0
  Ir  Ir34  1  0.254  0.980  0.000  1.0
  Ir  Ir35  1  0.746  0.021  0.000  1.0
  Ir  Ir36  1  0.753  0.519  0.000  1.0
  Ir  Ir37  1  0.247  0.479  0.000  1.0
[/CIF]
.