The compound described by Co2NiGa is alpha La-derived structured and crystallizes in the tetragonal I4/mmm space group. Co(1) is bonded to four equivalent Co(1), four equivalent Ni(1), and four equivalent Ga(1) atoms to form CoGa4Co4Ni4 cuboctahedra that share corners with twelve equivalent Co(1)Ga4Co4Ni4 cuboctahedra, edges with eight equivalent Co(1)Ga4Co4Ni4 cuboctahedra, edges with eight equivalent Ni(1)Ga4Co8 cuboctahedra, edges with eight equivalent Ga(1)Co8Ni4 cuboctahedra, faces with four equivalent Ni(1)Ga4Co8 cuboctahedra, faces with four equivalent Ga(1)Co8Ni4 cuboctahedra, and faces with ten equivalent Co(1)Ga4Co4Ni4 cuboctahedra. Ni(1) is bonded to eight equivalent Co(1) and four equivalent Ga(1) atoms to form NiGa4Co8 cuboctahedra that share corners with four equivalent Ni(1)Ga4Co8 cuboctahedra, corners with eight equivalent Ga(1)Co8Ni4 cuboctahedra, edges with eight equivalent Ni(1)Ga4Co8 cuboctahedra, edges with sixteen equivalent Co(1)Ga4Co4Ni4 cuboctahedra, faces with four equivalent Ni(1)Ga4Co8 cuboctahedra, faces with six equivalent Ga(1)Co8Ni4 cuboctahedra, and faces with eight equivalent Co(1)Ga4Co4Ni4 cuboctahedra. Ga(1) is bonded to eight equivalent Co(1) and four equivalent Ni(1) atoms to form GaCo8Ni4 cuboctahedra that share corners with four equivalent Ga(1)Co8Ni4 cuboctahedra, corners with eight equivalent Ni(1)Ga4Co8 cuboctahedra, edges with eight equivalent Ga(1)Co8Ni4 cuboctahedra, edges with sixteen equivalent Co(1)Ga4Co4Ni4 cuboctahedra, faces with four equivalent Ga(1)Co8Ni4 cuboctahedra, faces with six equivalent Ni(1)Ga4Co8 cuboctahedra, and faces with eight equivalent Co(1)Ga4Co4Ni4 cuboctahedra. is represented by the CIF card [CIF]
data_GaCo2Ni
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.374
_cell_length_b   4.374
_cell_length_c   4.374
_cell_angle_alpha   131.555
_cell_angle_beta   131.555
_cell_angle_gamma   70.932
_symmetry_Int_Tables_number   1
_cell_volume   45.877
_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
  Ga  Ga0  1  0.000  0.000  0.000  1.0
  Co  Co1  1  0.750  0.250  0.500  1.0
  Co  Co2  1  0.250  0.750  0.500  1.0
  Ni  Ni3  1  0.500  0.500  0.000  1.0
[/CIF]
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The compound described by Co2NiGa is alpha La-derived structured and crystallizes in the tetragonal I4/mmm space group. Co(1) is bonded to four equivalent Co(1), four equivalent Ni(1), and four equivalent Ga(1) atoms to form CoGa4Co4Ni4 cuboctahedra that share corners with twelve equivalent Co(1)Ga4Co4Ni4 cuboctahedra, edges with eight equivalent Co(1)Ga4Co4Ni4 cuboctahedra, edges with eight equivalent Ni(1)Ga4Co8 cuboctahedra, edges with eight equivalent Ga(1)Co8Ni4 cuboctahedra, faces with four equivalent Ni(1)Ga4Co8 cuboctahedra, faces with four equivalent Ga(1)Co8Ni4 cuboctahedra, and faces with ten equivalent Co(1)Ga4Co4Ni4 cuboctahedra. Ni(1) is bonded to eight equivalent Co(1) and four equivalent Ga(1) atoms to form NiGa4Co8 cuboctahedra that share corners with four equivalent Ni(1)Ga4Co8 cuboctahedra, corners with eight equivalent Ga(1)Co8Ni4 cuboctahedra, edges with eight equivalent Ni(1)Ga4Co8 cuboctahedra, edges with sixteen equivalent Co(1)Ga4Co4Ni4 cuboctahedra, faces with four equivalent Ni(1)Ga4Co8 cuboctahedra, faces with six equivalent Ga(1)Co8Ni4 cuboctahedra, and faces with eight equivalent Co(1)Ga4Co4Ni4 cuboctahedra. Ga(1) is bonded to eight equivalent Co(1) and four equivalent Ni(1) atoms to form GaCo8Ni4 cuboctahedra that share corners with four equivalent Ga(1)Co8Ni4 cuboctahedra, corners with eight equivalent Ni(1)Ga4Co8 cuboctahedra, edges with eight equivalent Ga(1)Co8Ni4 cuboctahedra, edges with sixteen equivalent Co(1)Ga4Co4Ni4 cuboctahedra, faces with four equivalent Ga(1)Co8Ni4 cuboctahedra, faces with six equivalent Ni(1)Ga4Co8 cuboctahedra, and faces with eight equivalent Co(1)Ga4Co4Ni4 cuboctahedra. is represented by the CIF card [CIF]
data_GaCo2Ni
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.374
_cell_length_b   4.374
_cell_length_c   4.374
_cell_angle_alpha   131.555
_cell_angle_beta   131.555
_cell_angle_gamma   70.932
_symmetry_Int_Tables_number   1
_cell_volume   45.877
_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
  Ga  Ga0  1  0.000  0.000  0.000  1.0
  Co  Co1  1  0.750  0.250  0.500  1.0
  Co  Co2  1  0.250  0.750  0.500  1.0
  Ni  Ni3  1  0.500  0.500  0.000  1.0
[/CIF]
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