The material structure described by AlDy2Ge3 crystallizes in the orthorhombic Pnma space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 11-coordinate geometry to two equivalent Al(1), one Ge(1), four equivalent Ge(2), and four equivalent Ge(3) atoms. In the second Dy site, Dy(2) is bonded in a 7-coordinate geometry to two equivalent Ge(2), two equivalent Ge(3), and three equivalent Ge(1) atoms. Al(1) is bonded to two equivalent Dy(1), one Ge(3), and three equivalent Ge(1) atoms to form distorted AlDy2Ge4 tetrahedra that share corners with two equivalent Ge(1)Dy4Al3 pentagonal bipyramids and edges with four equivalent Al(1)Dy2Ge4 tetrahedra. There are three inequivalent Ge sites. In the first Ge site, Ge(1) is bonded to one Dy(1), three equivalent Dy(2), and three equivalent Al(1) atoms to form distorted GeDy4Al3 pentagonal bipyramids that share corners with two equivalent Al(1)Dy2Ge4 tetrahedra and edges with six equivalent Ge(1)Dy4Al3 pentagonal bipyramids. In the second Ge site, Ge(2) is bonded in a 8-coordinate geometry to two equivalent Dy(2), four equivalent Dy(1), and two equivalent Ge(3) atoms. In the third Ge site, Ge(3) is bonded in a 9-coordinate geometry to two equivalent Dy(2), four equivalent Dy(1), one Al(1), and two equivalent Ge(2) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Dy2AlGe3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.198
_cell_length_b   6.844
_cell_length_c   17.761
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   510.303
_cell_formula_units_Z   4
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  0.250  0.667  0.703  1.0
  Dy  Dy1  1  0.750  0.333  0.297  1.0
  Dy  Dy2  1  0.750  0.833  0.203  1.0
  Dy  Dy3  1  0.250  0.167  0.797  1.0
  Dy  Dy4  1  0.250  0.667  0.915  1.0
  Dy  Dy5  1  0.750  0.333  0.085  1.0
  Dy  Dy6  1  0.750  0.833  0.415  1.0
  Dy  Dy7  1  0.250  0.167  0.585  1.0
  Al  Al8  1  0.250  0.950  0.065  1.0
  Al  Al9  1  0.750  0.050  0.935  1.0
  Al  Al10  1  0.750  0.550  0.565  1.0
  Al  Al11  1  0.250  0.450  0.435  1.0
  Ge  Ge12  1  0.250  0.749  0.534  1.0
  Ge  Ge13  1  0.750  0.251  0.466  1.0
  Ge  Ge14  1  0.750  0.751  0.034  1.0
  Ge  Ge15  1  0.250  0.249  0.966  1.0
  Ge  Ge16  1  0.250  0.534  0.173  1.0
  Ge  Ge17  1  0.750  0.466  0.827  1.0
  Ge  Ge18  1  0.750  0.966  0.673  1.0
  Ge  Ge19  1  0.250  0.034  0.327  1.0
  Ge  Ge20  1  0.250  0.646  0.312  1.0
  Ge  Ge21  1  0.750  0.354  0.688  1.0
  Ge  Ge22  1  0.750  0.854  0.812  1.0
  Ge  Ge23  1  0.250  0.146  0.188  1.0
[/CIF]
.
The material structure described by AlDy2Ge3 crystallizes in the orthorhombic Pnma space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 11-coordinate geometry to two equivalent Al(1), one Ge(1), four equivalent Ge(2), and four equivalent Ge(3) atoms. In the second Dy site, Dy(2) is bonded in a 7-coordinate geometry to two equivalent Ge(2), two equivalent Ge(3), and three equivalent Ge(1) atoms. Al(1) is bonded to two equivalent Dy(1), one Ge(3), and three equivalent Ge(1) atoms to form distorted AlDy2Ge4 tetrahedra that share corners with two equivalent Ge(1)Dy4Al3 pentagonal bipyramids and edges with four equivalent Al(1)Dy2Ge4 tetrahedra. There are three inequivalent Ge sites. In the first Ge site, Ge(1) is bonded to one Dy(1), three equivalent Dy(2), and three equivalent Al(1) atoms to form distorted GeDy4Al3 pentagonal bipyramids that share corners with two equivalent Al(1)Dy2Ge4 tetrahedra and edges with six equivalent Ge(1)Dy4Al3 pentagonal bipyramids. In the second Ge site, Ge(2) is bonded in a 8-coordinate geometry to two equivalent Dy(2), four equivalent Dy(1), and two equivalent Ge(3) atoms. In the third Ge site, Ge(3) is bonded in a 9-coordinate geometry to two equivalent Dy(2), four equivalent Dy(1), one Al(1), and two equivalent Ge(2) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Dy2AlGe3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.198
_cell_length_b   6.844
_cell_length_c   17.761
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   510.303
_cell_formula_units_Z   4
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  0.250  0.667  0.703  1.0
  Dy  Dy1  1  0.750  0.333  0.297  1.0
  Dy  Dy2  1  0.750  0.833  0.203  1.0
  Dy  Dy3  1  0.250  0.167  0.797  1.0
  Dy  Dy4  1  0.250  0.667  0.915  1.0
  Dy  Dy5  1  0.750  0.333  0.085  1.0
  Dy  Dy6  1  0.750  0.833  0.415  1.0
  Dy  Dy7  1  0.250  0.167  0.585  1.0
  Al  Al8  1  0.250  0.950  0.065  1.0
  Al  Al9  1  0.750  0.050  0.935  1.0
  Al  Al10  1  0.750  0.550  0.565  1.0
  Al  Al11  1  0.250  0.450  0.435  1.0
  Ge  Ge12  1  0.250  0.749  0.534  1.0
  Ge  Ge13  1  0.750  0.251  0.466  1.0
  Ge  Ge14  1  0.750  0.751  0.034  1.0
  Ge  Ge15  1  0.250  0.249  0.966  1.0
  Ge  Ge16  1  0.250  0.534  0.173  1.0
  Ge  Ge17  1  0.750  0.466  0.827  1.0
  Ge  Ge18  1  0.750  0.966  0.673  1.0
  Ge  Ge19  1  0.250  0.034  0.327  1.0
  Ge  Ge20  1  0.250  0.646  0.312  1.0
  Ge  Ge21  1  0.750  0.354  0.688  1.0
  Ge  Ge22  1  0.750  0.854  0.812  1.0
  Ge  Ge23  1  0.250  0.146  0.188  1.0
[/CIF]
.