The structure described by Y3Ni3Ga8 is beta Plutonium-derived structured and crystallizes in the monoclinic Cm space group. There are three inequivalent Y sites. In the first Y site, Y(1) is bonded in a 14-coordinate geometry to two equivalent Ni(1), two equivalent Ni(3), one Ga(1), one Ga(2), one Ga(3), one Ga(5), two equivalent Ga(4), two equivalent Ga(6), and two equivalent Ga(7) atoms. In the second Y site, Y(2) is bonded in a 14-coordinate geometry to two equivalent Ni(2), one Ga(1), one Ga(2), one Ga(4), one Ga(6), two equivalent Ga(3), two equivalent Ga(5), two equivalent Ga(7), and two equivalent Ga(8) atoms. In the third Y site, Y(3) is bonded in a 16-coordinate geometry to two equivalent Ni(1), two equivalent Ni(2), two equivalent Ni(3), one Ga(3), one Ga(4), one Ga(5), one Ga(6), two equivalent Ga(1), two equivalent Ga(2), and two equivalent Ga(8) atoms. There are three inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 9-coordinate geometry to two equivalent Y(1), two equivalent Y(3), one Ni(3), one Ga(2), one Ga(4), and two equivalent Ga(3) atoms. In the second Ni site, Ni(2) is bonded in a 5-coordinate geometry to two equivalent Y(2), two equivalent Y(3), one Ga(2), one Ga(5), one Ga(8), and two equivalent Ga(6) atoms. In the third Ni site, Ni(3) is bonded in a 9-coordinate geometry to two equivalent Y(1), two equivalent Y(3), one Ni(1), one Ga(1), one Ga(6), and two equivalent Ga(5) atoms. There are eight inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 12-coordinate geometry to one Y(1), one Y(2), two equivalent Y(3), one Ni(3), one Ga(8), two equivalent Ga(4), two equivalent Ga(5), and two equivalent Ga(7) atoms. In the second Ga site, Ga(2) is bonded in a 12-coordinate geometry to one Y(1), one Y(2), two equivalent Y(3), one Ni(1), one Ni(2), two equivalent Ga(3), two equivalent Ga(6), and two equivalent Ga(7) atoms. In the third Ga site, Ga(3) is bonded in a 10-coordinate geometry to one Y(1), one Y(3), two equivalent Y(2), two equivalent Ni(1), one Ga(7), one Ga(8), and two equivalent Ga(2) atoms. In the fourth Ga site, Ga(4) is bonded in a 10-coordinate geometry to one Y(2), one Y(3), two equivalent Y(1), one Ni(1), one Ga(7), two equivalent Ga(1), and two equivalent Ga(8) atoms. In the fifth Ga site, Ga(5) is bonded in a 3-coordinate geometry to one Y(1), one Y(3), two equivalent Y(2), one Ni(2), two equivalent Ni(3), one Ga(7), and two equivalent Ga(1) atoms. In the sixth Ga site, Ga(6) is bonded in a 3-coordinate geometry to one Y(2), one Y(3), two equivalent Y(1), one Ni(3), two equivalent Ni(2), one Ga(7), and two equivalent Ga(2) atoms. In the seventh Ga site, Ga(7) is bonded to two equivalent Y(1), two equivalent Y(2), one Ga(3), one Ga(4), one Ga(5), one Ga(6), two equivalent Ga(1), and two equivalent Ga(2) atoms to form distorted face-sharing GaY4Ga8 cuboctahedra. In the eighth Ga site, Ga(8) is bonded in a 9-coordinate geometry to two equivalent Y(2), two equivalent Y(3), one Ni(2), one Ga(1), one Ga(3), and two equivalent Ga(4) atoms. is represented by the CIF file [CIF]
data_Y3Ga8Ni3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.034
_cell_length_b   8.034
_cell_length_c   9.560
_cell_angle_alpha   54.304
_cell_angle_beta   54.304
_cell_angle_gamma   30.014
_symmetry_Int_Tables_number   1
_cell_volume   245.982
_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
  Y  Y0  1  0.693  0.693  0.302  1.0
  Y  Y1  1  0.314  0.314  0.682  1.0
  Y  Y2  1  0.991  0.991  0.012  1.0
  Ga  Ga3  1  0.497  0.497  0.716  1.0
  Ga  Ga4  1  0.499  0.499  0.279  1.0
  Ga  Ga5  1  0.847  0.847  0.415  1.0
  Ga  Ga6  1  0.158  0.158  0.567  1.0
  Ga  Ga7  1  0.842  0.842  0.892  1.0
  Ga  Ga8  1  0.160  0.160  0.103  1.0
  Ga  Ga9  1  1.000  1.000  0.499  1.0
  Ga  Ga10  1  0.656  0.656  0.739  1.0
  Ni  Ni11  1  0.340  0.340  0.288  1.0
  Ni  Ni12  1  0.658  0.658  0.982  1.0
  Ni  Ni13  1  0.345  0.345  0.024  1.0
[/CIF]
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The structure described by Y3Ni3Ga8 is beta Plutonium-derived structured and crystallizes in the monoclinic Cm space group. There are three inequivalent Y sites. In the first Y site, Y(1) is bonded in a 14-coordinate geometry to two equivalent Ni(1), two equivalent Ni(3), one Ga(1), one Ga(2), one Ga(3), one Ga(5), two equivalent Ga(4), two equivalent Ga(6), and two equivalent Ga(7) atoms. In the second Y site, Y(2) is bonded in a 14-coordinate geometry to two equivalent Ni(2), one Ga(1), one Ga(2), one Ga(4), one Ga(6), two equivalent Ga(3), two equivalent Ga(5), two equivalent Ga(7), and two equivalent Ga(8) atoms. In the third Y site, Y(3) is bonded in a 16-coordinate geometry to two equivalent Ni(1), two equivalent Ni(2), two equivalent Ni(3), one Ga(3), one Ga(4), one Ga(5), one Ga(6), two equivalent Ga(1), two equivalent Ga(2), and two equivalent Ga(8) atoms. There are three inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 9-coordinate geometry to two equivalent Y(1), two equivalent Y(3), one Ni(3), one Ga(2), one Ga(4), and two equivalent Ga(3) atoms. In the second Ni site, Ni(2) is bonded in a 5-coordinate geometry to two equivalent Y(2), two equivalent Y(3), one Ga(2), one Ga(5), one Ga(8), and two equivalent Ga(6) atoms. In the third Ni site, Ni(3) is bonded in a 9-coordinate geometry to two equivalent Y(1), two equivalent Y(3), one Ni(1), one Ga(1), one Ga(6), and two equivalent Ga(5) atoms. There are eight inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 12-coordinate geometry to one Y(1), one Y(2), two equivalent Y(3), one Ni(3), one Ga(8), two equivalent Ga(4), two equivalent Ga(5), and two equivalent Ga(7) atoms. In the second Ga site, Ga(2) is bonded in a 12-coordinate geometry to one Y(1), one Y(2), two equivalent Y(3), one Ni(1), one Ni(2), two equivalent Ga(3), two equivalent Ga(6), and two equivalent Ga(7) atoms. In the third Ga site, Ga(3) is bonded in a 10-coordinate geometry to one Y(1), one Y(3), two equivalent Y(2), two equivalent Ni(1), one Ga(7), one Ga(8), and two equivalent Ga(2) atoms. In the fourth Ga site, Ga(4) is bonded in a 10-coordinate geometry to one Y(2), one Y(3), two equivalent Y(1), one Ni(1), one Ga(7), two equivalent Ga(1), and two equivalent Ga(8) atoms. In the fifth Ga site, Ga(5) is bonded in a 3-coordinate geometry to one Y(1), one Y(3), two equivalent Y(2), one Ni(2), two equivalent Ni(3), one Ga(7), and two equivalent Ga(1) atoms. In the sixth Ga site, Ga(6) is bonded in a 3-coordinate geometry to one Y(2), one Y(3), two equivalent Y(1), one Ni(3), two equivalent Ni(2), one Ga(7), and two equivalent Ga(2) atoms. In the seventh Ga site, Ga(7) is bonded to two equivalent Y(1), two equivalent Y(2), one Ga(3), one Ga(4), one Ga(5), one Ga(6), two equivalent Ga(1), and two equivalent Ga(2) atoms to form distorted face-sharing GaY4Ga8 cuboctahedra. In the eighth Ga site, Ga(8) is bonded in a 9-coordinate geometry to two equivalent Y(2), two equivalent Y(3), one Ni(2), one Ga(1), one Ga(3), and two equivalent Ga(4) atoms. is represented by the CIF file [CIF]
data_Y3Ga8Ni3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.034
_cell_length_b   8.034
_cell_length_c   9.560
_cell_angle_alpha   54.304
_cell_angle_beta   54.304
_cell_angle_gamma   30.014
_symmetry_Int_Tables_number   1
_cell_volume   245.982
_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
  Y  Y0  1  0.693  0.693  0.302  1.0
  Y  Y1  1  0.314  0.314  0.682  1.0
  Y  Y2  1  0.991  0.991  0.012  1.0
  Ga  Ga3  1  0.497  0.497  0.716  1.0
  Ga  Ga4  1  0.499  0.499  0.279  1.0
  Ga  Ga5  1  0.847  0.847  0.415  1.0
  Ga  Ga6  1  0.158  0.158  0.567  1.0
  Ga  Ga7  1  0.842  0.842  0.892  1.0
  Ga  Ga8  1  0.160  0.160  0.103  1.0
  Ga  Ga9  1  1.000  1.000  0.499  1.0
  Ga  Ga10  1  0.656  0.656  0.739  1.0
  Ni  Ni11  1  0.340  0.340  0.288  1.0
  Ni  Ni12  1  0.658  0.658  0.982  1.0
  Ni  Ni13  1  0.345  0.345  0.024  1.0
[/CIF]
.