The material structure described by DyNi2Ga3 crystallizes in the hexagonal P6/mmm space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 18-coordinate geometry to six equivalent Ni(1), six equivalent Ga(1), and six equivalent Ga(2) atoms. In the second Dy site, Dy(2) is bonded in a distorted hexagonal planar geometry to six equivalent Ni(1) and twelve equivalent Ga(1) atoms. Ni(1) is bonded in a 9-coordinate geometry to one Dy(2), two equivalent Dy(1), two equivalent Ga(2), and four equivalent Ga(1) atoms. There are two inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 12-coordinate geometry to two equivalent Dy(1), two equivalent Dy(2), four equivalent Ni(1), two equivalent Ga(1), and two equivalent Ga(2) atoms. In the second Ga site, Ga(2) is bonded to four equivalent Dy(1), four equivalent Ni(1), and four equivalent Ga(1) atoms to form a mixture of distorted corner and face-sharing GaDy4Ga4Ni4 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_DyGa3Ni2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.907
_cell_length_b   8.907
_cell_length_c   4.024
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   276.512
_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  0.333  0.667  0.000  1.0
  Dy  Dy1  1  0.667  0.333  0.000  1.0
  Dy  Dy2  1  0.000  0.000  0.500  1.0
  Ga  Ga3  1  0.293  0.000  0.000  1.0
  Ga  Ga4  1  0.293  0.293  0.000  1.0
  Ga  Ga5  1  0.000  0.707  0.000  1.0
  Ga  Ga6  1  0.000  0.293  0.000  1.0
  Ga  Ga7  1  0.707  0.707  0.000  1.0
  Ga  Ga8  1  0.707  0.000  0.000  1.0
  Ga  Ga9  1  0.500  0.000  0.500  1.0
  Ga  Ga10  1  0.500  0.500  0.500  1.0
  Ga  Ga11  1  0.000  0.500  0.500  1.0
  Ni  Ni12  1  0.183  0.365  0.500  1.0
  Ni  Ni13  1  0.817  0.183  0.500  1.0
  Ni  Ni14  1  0.365  0.183  0.500  1.0
  Ni  Ni15  1  0.635  0.817  0.500  1.0
  Ni  Ni16  1  0.183  0.817  0.500  1.0
  Ni  Ni17  1  0.817  0.635  0.500  1.0
[/CIF]
.
The material structure described by DyNi2Ga3 crystallizes in the hexagonal P6/mmm space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 18-coordinate geometry to six equivalent Ni(1), six equivalent Ga(1), and six equivalent Ga(2) atoms. In the second Dy site, Dy(2) is bonded in a distorted hexagonal planar geometry to six equivalent Ni(1) and twelve equivalent Ga(1) atoms. Ni(1) is bonded in a 9-coordinate geometry to one Dy(2), two equivalent Dy(1), two equivalent Ga(2), and four equivalent Ga(1) atoms. There are two inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 12-coordinate geometry to two equivalent Dy(1), two equivalent Dy(2), four equivalent Ni(1), two equivalent Ga(1), and two equivalent Ga(2) atoms. In the second Ga site, Ga(2) is bonded to four equivalent Dy(1), four equivalent Ni(1), and four equivalent Ga(1) atoms to form a mixture of distorted corner and face-sharing GaDy4Ga4Ni4 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_DyGa3Ni2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.907
_cell_length_b   8.907
_cell_length_c   4.024
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   276.512
_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  0.333  0.667  0.000  1.0
  Dy  Dy1  1  0.667  0.333  0.000  1.0
  Dy  Dy2  1  0.000  0.000  0.500  1.0
  Ga  Ga3  1  0.293  0.000  0.000  1.0
  Ga  Ga4  1  0.293  0.293  0.000  1.0
  Ga  Ga5  1  0.000  0.707  0.000  1.0
  Ga  Ga6  1  0.000  0.293  0.000  1.0
  Ga  Ga7  1  0.707  0.707  0.000  1.0
  Ga  Ga8  1  0.707  0.000  0.000  1.0
  Ga  Ga9  1  0.500  0.000  0.500  1.0
  Ga  Ga10  1  0.500  0.500  0.500  1.0
  Ga  Ga11  1  0.000  0.500  0.500  1.0
  Ni  Ni12  1  0.183  0.365  0.500  1.0
  Ni  Ni13  1  0.817  0.183  0.500  1.0
  Ni  Ni14  1  0.365  0.183  0.500  1.0
  Ni  Ni15  1  0.635  0.817  0.500  1.0
  Ni  Ni16  1  0.183  0.817  0.500  1.0
  Ni  Ni17  1  0.817  0.635  0.500  1.0
[/CIF]
.