The crystal structure described by DyCu7 crystallizes in the orthorhombic Pmmm space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 18-coordinate geometry to one Cu(2), one Cu(4), two equivalent Cu(1), two equivalent Cu(3), four equivalent Cu(5), four equivalent Cu(8), and four equivalent Cu(9) atoms. In the second Dy site, Dy(2) is bonded in a distorted hexagonal planar geometry to two equivalent Cu(3), four equivalent Cu(2), four equivalent Cu(6), and eight equivalent Cu(9) atoms. There are ten inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a 12-coordinate geometry to two equivalent Dy(1), one Cu(10), one Cu(3), two equivalent Cu(4), two equivalent Cu(5), and four equivalent Cu(8) atoms. In the second Cu site, Cu(2) is bonded in a 12-coordinate geometry to one Dy(1), two equivalent Dy(2), one Cu(2), two equivalent Cu(3), two equivalent Cu(6), and four equivalent Cu(9) atoms. In the third Cu site, Cu(3) is bonded in a 9-coordinate geometry to one Dy(2), two equivalent Dy(1), one Cu(1), two equivalent Cu(2), two equivalent Cu(5), and four equivalent Cu(9) atoms. In the fourth Cu site, Cu(4) is bonded to one Dy(1), one Cu(4), two equivalent Cu(1), two equivalent Cu(10), two equivalent Cu(7), and four equivalent Cu(8) atoms to form distorted CuDyCu11 cuboctahedra that share corners with four equivalent Cu(9)Dy4Cu8 cuboctahedra, corners with four equivalent Cu(4)DyCu11 cuboctahedra, edges with two equivalent Cu(4)DyCu11 cuboctahedra, faces with three equivalent Cu(4)DyCu11 cuboctahedra, and faces with four equivalent Cu(5)Dy4Cu8 cuboctahedra. In the fifth Cu site, Cu(5) is bonded to four equivalent Dy(1), two equivalent Cu(1), two equivalent Cu(3), two equivalent Cu(8), and two equivalent Cu(9) atoms to form CuDy4Cu8 cuboctahedra that share corners with two equivalent Cu(6)Dy4Cu8 cuboctahedra, corners with four equivalent Cu(5)Dy4Cu8 cuboctahedra, corners with four equivalent Cu(9)Dy4Cu8 cuboctahedra, edges with two equivalent Cu(5)Dy4Cu8 cuboctahedra, edges with four equivalent Cu(9)Dy4Cu8 cuboctahedra, faces with two equivalent Cu(5)Dy4Cu8 cuboctahedra, faces with four equivalent Cu(9)Dy4Cu8 cuboctahedra, and faces with four equivalent Cu(4)DyCu11 cuboctahedra. In the sixth Cu site, Cu(6) is bonded to four equivalent Dy(2), four equivalent Cu(2), and four equivalent Cu(9) atoms to form a mixture of edge, corner, and face-sharing CuDy4Cu8 cuboctahedra. In the seventh Cu site, Cu(7) is bonded in a 8-coordinate geometry to four equivalent Cu(4) and four equivalent Cu(8) atoms. In the eighth Cu site, Cu(8) is bonded in a 10-coordinate geometry to two equivalent Dy(1), one Cu(5), one Cu(7), two equivalent Cu(1), two equivalent Cu(4), and two equivalent Cu(8) atoms. In the ninth Cu site, Cu(9) is bonded to two equivalent Dy(1), two equivalent Dy(2), one Cu(5), one Cu(6), two equivalent Cu(2), two equivalent Cu(3), and two equivalent Cu(9) atoms to form CuDy4Cu8 cuboctahedra that share corners with two equivalent Cu(5)Dy4Cu8 cuboctahedra, corners with two equivalent Cu(6)Dy4Cu8 cuboctahedra, corners with two equivalent Cu(4)DyCu11 cuboctahedra, corners with seven equivalent Cu(9)Dy4Cu8 cuboctahedra, edges with two equivalent Cu(5)Dy4Cu8 cuboctahedra, edges with two equivalent Cu(6)Dy4Cu8 cuboctahedra, edges with five equivalent Cu(9)Dy4Cu8 cuboctahedra, faces with two equivalent Cu(5)Dy4Cu8 cuboctahedra, faces with two equivalent Cu(6)Dy4Cu8 cuboctahedra, and faces with five equivalent Cu(9)Dy4Cu8 cuboctahedra. In the tenth Cu site, Cu(10) is bonded in a distorted hexagonal planar geometry to two equivalent Cu(1) and four equivalent Cu(4) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_DyCu7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.112
_cell_length_b   4.941
_cell_length_c   17.062
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   346.649
_cell_formula_units_Z   3
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  0.500  0.243  1.0
  Dy  Dy1  1  0.000  1.000  0.500  1.0
  Dy  Dy2  1  0.000  0.500  0.757  1.0
  Cu  Cu3  1  0.000  1.000  0.152  1.0
  Cu  Cu4  1  0.000  0.500  0.415  1.0
  Cu  Cu5  1  0.000  1.000  0.669  1.0
  Cu  Cu6  1  0.000  0.500  0.926  1.0
  Cu  Cu7  1  0.000  0.500  0.074  1.0
  Cu  Cu8  1  0.000  1.000  0.331  1.0
  Cu  Cu9  1  0.000  0.500  0.585  1.0
  Cu  Cu10  1  0.000  1.000  0.848  1.0
  Cu  Cu11  1  0.500  1.000  0.246  1.0
  Cu  Cu12  1  0.500  0.500  0.500  1.0
  Cu  Cu13  1  0.500  1.000  0.754  1.0
  Cu  Cu14  1  0.500  0.500  0.000  1.0
  Cu  Cu15  1  0.500  0.250  0.121  1.0
  Cu  Cu16  1  0.500  0.750  0.373  1.0
  Cu  Cu17  1  0.500  0.250  0.627  1.0
  Cu  Cu18  1  0.500  0.750  0.879  1.0
  Cu  Cu19  1  0.500  0.750  0.121  1.0
  Cu  Cu20  1  0.500  0.250  0.373  1.0
  Cu  Cu21  1  0.500  0.750  0.627  1.0
  Cu  Cu22  1  0.500  0.250  0.879  1.0
  Cu  Cu23  1  0.000  1.000  0.000  1.0
[/CIF]
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The crystal structure described by DyCu7 crystallizes in the orthorhombic Pmmm space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 18-coordinate geometry to one Cu(2), one Cu(4), two equivalent Cu(1), two equivalent Cu(3), four equivalent Cu(5), four equivalent Cu(8), and four equivalent Cu(9) atoms. In the second Dy site, Dy(2) is bonded in a distorted hexagonal planar geometry to two equivalent Cu(3), four equivalent Cu(2), four equivalent Cu(6), and eight equivalent Cu(9) atoms. There are ten inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a 12-coordinate geometry to two equivalent Dy(1), one Cu(10), one Cu(3), two equivalent Cu(4), two equivalent Cu(5), and four equivalent Cu(8) atoms. In the second Cu site, Cu(2) is bonded in a 12-coordinate geometry to one Dy(1), two equivalent Dy(2), one Cu(2), two equivalent Cu(3), two equivalent Cu(6), and four equivalent Cu(9) atoms. In the third Cu site, Cu(3) is bonded in a 9-coordinate geometry to one Dy(2), two equivalent Dy(1), one Cu(1), two equivalent Cu(2), two equivalent Cu(5), and four equivalent Cu(9) atoms. In the fourth Cu site, Cu(4) is bonded to one Dy(1), one Cu(4), two equivalent Cu(1), two equivalent Cu(10), two equivalent Cu(7), and four equivalent Cu(8) atoms to form distorted CuDyCu11 cuboctahedra that share corners with four equivalent Cu(9)Dy4Cu8 cuboctahedra, corners with four equivalent Cu(4)DyCu11 cuboctahedra, edges with two equivalent Cu(4)DyCu11 cuboctahedra, faces with three equivalent Cu(4)DyCu11 cuboctahedra, and faces with four equivalent Cu(5)Dy4Cu8 cuboctahedra. In the fifth Cu site, Cu(5) is bonded to four equivalent Dy(1), two equivalent Cu(1), two equivalent Cu(3), two equivalent Cu(8), and two equivalent Cu(9) atoms to form CuDy4Cu8 cuboctahedra that share corners with two equivalent Cu(6)Dy4Cu8 cuboctahedra, corners with four equivalent Cu(5)Dy4Cu8 cuboctahedra, corners with four equivalent Cu(9)Dy4Cu8 cuboctahedra, edges with two equivalent Cu(5)Dy4Cu8 cuboctahedra, edges with four equivalent Cu(9)Dy4Cu8 cuboctahedra, faces with two equivalent Cu(5)Dy4Cu8 cuboctahedra, faces with four equivalent Cu(9)Dy4Cu8 cuboctahedra, and faces with four equivalent Cu(4)DyCu11 cuboctahedra. In the sixth Cu site, Cu(6) is bonded to four equivalent Dy(2), four equivalent Cu(2), and four equivalent Cu(9) atoms to form a mixture of edge, corner, and face-sharing CuDy4Cu8 cuboctahedra. In the seventh Cu site, Cu(7) is bonded in a 8-coordinate geometry to four equivalent Cu(4) and four equivalent Cu(8) atoms. In the eighth Cu site, Cu(8) is bonded in a 10-coordinate geometry to two equivalent Dy(1), one Cu(5), one Cu(7), two equivalent Cu(1), two equivalent Cu(4), and two equivalent Cu(8) atoms. In the ninth Cu site, Cu(9) is bonded to two equivalent Dy(1), two equivalent Dy(2), one Cu(5), one Cu(6), two equivalent Cu(2), two equivalent Cu(3), and two equivalent Cu(9) atoms to form CuDy4Cu8 cuboctahedra that share corners with two equivalent Cu(5)Dy4Cu8 cuboctahedra, corners with two equivalent Cu(6)Dy4Cu8 cuboctahedra, corners with two equivalent Cu(4)DyCu11 cuboctahedra, corners with seven equivalent Cu(9)Dy4Cu8 cuboctahedra, edges with two equivalent Cu(5)Dy4Cu8 cuboctahedra, edges with two equivalent Cu(6)Dy4Cu8 cuboctahedra, edges with five equivalent Cu(9)Dy4Cu8 cuboctahedra, faces with two equivalent Cu(5)Dy4Cu8 cuboctahedra, faces with two equivalent Cu(6)Dy4Cu8 cuboctahedra, and faces with five equivalent Cu(9)Dy4Cu8 cuboctahedra. In the tenth Cu site, Cu(10) is bonded in a distorted hexagonal planar geometry to two equivalent Cu(1) and four equivalent Cu(4) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_DyCu7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.112
_cell_length_b   4.941
_cell_length_c   17.062
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   346.649
_cell_formula_units_Z   3
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  0.500  0.243  1.0
  Dy  Dy1  1  0.000  1.000  0.500  1.0
  Dy  Dy2  1  0.000  0.500  0.757  1.0
  Cu  Cu3  1  0.000  1.000  0.152  1.0
  Cu  Cu4  1  0.000  0.500  0.415  1.0
  Cu  Cu5  1  0.000  1.000  0.669  1.0
  Cu  Cu6  1  0.000  0.500  0.926  1.0
  Cu  Cu7  1  0.000  0.500  0.074  1.0
  Cu  Cu8  1  0.000  1.000  0.331  1.0
  Cu  Cu9  1  0.000  0.500  0.585  1.0
  Cu  Cu10  1  0.000  1.000  0.848  1.0
  Cu  Cu11  1  0.500  1.000  0.246  1.0
  Cu  Cu12  1  0.500  0.500  0.500  1.0
  Cu  Cu13  1  0.500  1.000  0.754  1.0
  Cu  Cu14  1  0.500  0.500  0.000  1.0
  Cu  Cu15  1  0.500  0.250  0.121  1.0
  Cu  Cu16  1  0.500  0.750  0.373  1.0
  Cu  Cu17  1  0.500  0.250  0.627  1.0
  Cu  Cu18  1  0.500  0.750  0.879  1.0
  Cu  Cu19  1  0.500  0.750  0.121  1.0
  Cu  Cu20  1  0.500  0.250  0.373  1.0
  Cu  Cu21  1  0.500  0.750  0.627  1.0
  Cu  Cu22  1  0.500  0.250  0.879  1.0
  Cu  Cu23  1  0.000  1.000  0.000  1.0
[/CIF]
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