The compound described by Ni2FeGa is alpha La-derived structured and crystallizes in the tetragonal P4/mmm space group. Fe(1) is bonded to eight equivalent Ni(1) and four equivalent Ga(1) atoms to form FeGa4Ni8 cuboctahedra that share corners with twelve equivalent Fe(1)Ga4Ni8 cuboctahedra, edges with eight equivalent Ga(1)Fe4Ni8 cuboctahedra, edges with sixteen equivalent Ni(1)Ga4Fe4Ni4 cuboctahedra, faces with four equivalent Ga(1)Fe4Ni8 cuboctahedra, faces with six equivalent Fe(1)Ga4Ni8 cuboctahedra, and faces with eight equivalent Ni(1)Ga4Fe4Ni4 cuboctahedra. Ni(1) is bonded to four equivalent Fe(1), four equivalent Ni(1), and four equivalent Ga(1) atoms to form NiGa4Fe4Ni4 cuboctahedra that share corners with twelve equivalent Ni(1)Ga4Fe4Ni4 cuboctahedra, edges with eight equivalent Fe(1)Ga4Ni8 cuboctahedra, edges with eight equivalent Ni(1)Ga4Fe4Ni4 cuboctahedra, edges with eight equivalent Ga(1)Fe4Ni8 cuboctahedra, faces with four equivalent Fe(1)Ga4Ni8 cuboctahedra, faces with four equivalent Ga(1)Fe4Ni8 cuboctahedra, and faces with ten equivalent Ni(1)Ga4Fe4Ni4 cuboctahedra. Ga(1) is bonded to four equivalent Fe(1) and eight equivalent Ni(1) atoms to form GaFe4Ni8 cuboctahedra that share corners with twelve equivalent Ga(1)Fe4Ni8 cuboctahedra, edges with eight equivalent Fe(1)Ga4Ni8 cuboctahedra, edges with sixteen equivalent Ni(1)Ga4Fe4Ni4 cuboctahedra, faces with four equivalent Fe(1)Ga4Ni8 cuboctahedra, faces with six equivalent Ga(1)Fe4Ni8 cuboctahedra, and faces with eight equivalent Ni(1)Ga4Fe4Ni4 cuboctahedra. is represented by the CIF file [CIF]
data_GaFeNi2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.639
_cell_length_b   3.639
_cell_length_c   3.588
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   47.522
_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  0.500  0.500  0.000  1.0
  Fe  Fe1  1  0.000  0.000  0.000  1.0
  Ni  Ni2  1  0.000  0.500  0.500  1.0
  Ni  Ni3  1  0.500  0.000  0.500  1.0
[/CIF]
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The compound described by Ni2FeGa is alpha La-derived structured and crystallizes in the tetragonal P4/mmm space group. Fe(1) is bonded to eight equivalent Ni(1) and four equivalent Ga(1) atoms to form FeGa4Ni8 cuboctahedra that share corners with twelve equivalent Fe(1)Ga4Ni8 cuboctahedra, edges with eight equivalent Ga(1)Fe4Ni8 cuboctahedra, edges with sixteen equivalent Ni(1)Ga4Fe4Ni4 cuboctahedra, faces with four equivalent Ga(1)Fe4Ni8 cuboctahedra, faces with six equivalent Fe(1)Ga4Ni8 cuboctahedra, and faces with eight equivalent Ni(1)Ga4Fe4Ni4 cuboctahedra. Ni(1) is bonded to four equivalent Fe(1), four equivalent Ni(1), and four equivalent Ga(1) atoms to form NiGa4Fe4Ni4 cuboctahedra that share corners with twelve equivalent Ni(1)Ga4Fe4Ni4 cuboctahedra, edges with eight equivalent Fe(1)Ga4Ni8 cuboctahedra, edges with eight equivalent Ni(1)Ga4Fe4Ni4 cuboctahedra, edges with eight equivalent Ga(1)Fe4Ni8 cuboctahedra, faces with four equivalent Fe(1)Ga4Ni8 cuboctahedra, faces with four equivalent Ga(1)Fe4Ni8 cuboctahedra, and faces with ten equivalent Ni(1)Ga4Fe4Ni4 cuboctahedra. Ga(1) is bonded to four equivalent Fe(1) and eight equivalent Ni(1) atoms to form GaFe4Ni8 cuboctahedra that share corners with twelve equivalent Ga(1)Fe4Ni8 cuboctahedra, edges with eight equivalent Fe(1)Ga4Ni8 cuboctahedra, edges with sixteen equivalent Ni(1)Ga4Fe4Ni4 cuboctahedra, faces with four equivalent Fe(1)Ga4Ni8 cuboctahedra, faces with six equivalent Ga(1)Fe4Ni8 cuboctahedra, and faces with eight equivalent Ni(1)Ga4Fe4Ni4 cuboctahedra. is represented by the CIF file [CIF]
data_GaFeNi2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.639
_cell_length_b   3.639
_cell_length_c   3.588
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   47.522
_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  0.500  0.500  0.000  1.0
  Fe  Fe1  1  0.000  0.000  0.000  1.0
  Ni  Ni2  1  0.000  0.500  0.500  1.0
  Ni  Ni3  1  0.500  0.000  0.500  1.0
[/CIF]
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