The material described by Ce(FeGa4)2 crystallizes in the orthorhombic Pbam space group. Ce(1) is bonded in a 13-coordinate geometry to one Ga(1), two equivalent Ga(3), two equivalent Ga(4), two equivalent Ga(5), two equivalent Ga(7), two equivalent Ga(8), and two equivalent Ga(9) atoms. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded in a 9-coordinate geometry to one Ga(1), one Ga(6), one Ga(7), two equivalent Ga(3), two equivalent Ga(8), and two equivalent Ga(9) atoms. In the second Fe site, Fe(2) is bonded in a 9-coordinate geometry to one Ga(7), two equivalent Ga(2), two equivalent Ga(4), two equivalent Ga(5), and two equivalent Ga(6) atoms. There are nine inequivalent Ga sites. In the first Ga site, Ga(9) is bonded in a 12-coordinate geometry to two equivalent Ce(1), two equivalent Fe(1), one Ga(3), one Ga(4), two equivalent Ga(1), two equivalent Ga(7), and two equivalent Ga(8) atoms. In the second Ga site, Ga(1) is bonded to two equivalent Ce(1), two equivalent Fe(1), four equivalent Ga(8), and four equivalent Ga(9) atoms to form a mixture of distorted corner and face-sharing GaCe2Ga8Fe2 cuboctahedra. In the third Ga site, Ga(2) is bonded to four equivalent Fe(2), two equivalent Ga(4), two equivalent Ga(5), and four equivalent Ga(6) atoms to form distorted GaGa8Fe4 cuboctahedra that share faces with two equivalent Ga(2)Ga8Fe4 cuboctahedra and faces with four equivalent Ga(7)Ce2Ga8Fe2 cuboctahedra. In the fourth Ga site, Ga(3) is bonded in a 12-coordinate geometry to two equivalent Ce(1), two equivalent Fe(1), one Ga(4), one Ga(5), one Ga(8), one Ga(9), two equivalent Ga(6), and two equivalent Ga(7) atoms. In the fifth Ga site, Ga(4) is bonded in a 10-coordinate geometry to two equivalent Ce(1), two equivalent Fe(2), one Ga(2), one Ga(3), one Ga(5), one Ga(9), and two equivalent Ga(7) atoms. In the sixth Ga site, Ga(5) is bonded in a 12-coordinate geometry to two equivalent Ce(1), two equivalent Fe(2), one Ga(2), one Ga(3), one Ga(4), one Ga(8), two equivalent Ga(6), and two equivalent Ga(7) atoms. In the seventh Ga site, Ga(6) is bonded in a 3-coordinate geometry to one Fe(1), two equivalent Fe(2), two equivalent Ga(2), two equivalent Ga(3), two equivalent Ga(5), and two equivalent Ga(8) atoms. In the eighth Ga site, Ga(7) is bonded to two equivalent Ce(1), one Fe(1), one Fe(2), two equivalent Ga(3), two equivalent Ga(4), two equivalent Ga(5), and two equivalent Ga(9) atoms to form distorted GaCe2Ga8Fe2 cuboctahedra that share corners with two equivalent Ga(7)Ce2Ga8Fe2 cuboctahedra, corners with three equivalent Ga(1)Ce2Ga8Fe2 cuboctahedra,  a faceface with one Ga(1)Ce2Ga8Fe2 cuboctahedra, faces with two equivalent Ga(7)Ce2Ga8Fe2 cuboctahedra, and faces with two equivalent Ga(2)Ga8Fe4 cuboctahedra. In the ninth Ga site, Ga(8) is bonded in a 12-coordinate geometry to two equivalent Ce(1), two equivalent Fe(1), one Ga(3), one Ga(5), two equivalent Ga(1), two equivalent Ga(6), and two equivalent Ga(9) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ce(Ga4Fe)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.056
_cell_length_b   12.519
_cell_length_c   14.288
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   725.555
_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
  Ce  Ce0  1  0.000  0.843  0.180  1.0
  Ce  Ce1  1  0.000  0.157  0.820  1.0
  Ce  Ce2  1  0.000  0.343  0.320  1.0
  Ce  Ce3  1  0.000  0.657  0.680  1.0
  Ga  Ga4  1  0.000  0.500  0.500  1.0
  Ga  Ga5  1  0.000  0.000  0.000  1.0
  Ga  Ga6  1  0.500  0.500  0.000  1.0
  Ga  Ga7  1  0.500  0.000  0.500  1.0
  Ga  Ga8  1  0.500  0.738  0.325  1.0
  Ga  Ga9  1  0.500  0.262  0.675  1.0
  Ga  Ga10  1  0.500  0.238  0.175  1.0
  Ga  Ga11  1  0.500  0.762  0.825  1.0
  Ga  Ga12  1  0.500  0.951  0.317  1.0
  Ga  Ga13  1  0.500  0.049  0.683  1.0
  Ga  Ga14  1  0.500  0.451  0.183  1.0
  Ga  Ga15  1  0.500  0.549  0.817  1.0
  Ga  Ga16  1  0.500  0.665  0.122  1.0
  Ga  Ga17  1  0.500  0.335  0.878  1.0
  Ga  Ga18  1  0.500  0.165  0.378  1.0
  Ga  Ga19  1  0.500  0.835  0.622  1.0
  Ga  Ga20  1  0.000  0.837  0.454  1.0
  Ga  Ga21  1  0.000  0.163  0.546  1.0
  Ga  Ga22  1  0.000  0.337  0.046  1.0
  Ga  Ga23  1  0.000  0.663  0.954  1.0
  Ga  Ga24  1  0.000  0.599  0.246  1.0
  Ga  Ga25  1  0.000  0.401  0.754  1.0
  Ga  Ga26  1  0.000  0.099  0.254  1.0
  Ga  Ga27  1  0.000  0.901  0.746  1.0
  Ga  Ga28  1  0.500  0.832  0.010  1.0
  Ga  Ga29  1  0.500  0.168  0.990  1.0
  Ga  Ga30  1  0.500  0.332  0.490  1.0
  Ga  Ga31  1  0.500  0.668  0.510  1.0
  Ga  Ga32  1  0.500  0.523  0.366  1.0
  Ga  Ga33  1  0.500  0.477  0.634  1.0
  Ga  Ga34  1  0.500  0.023  0.134  1.0
  Ga  Ga35  1  0.500  0.977  0.866  1.0
  Fe  Fe36  1  0.000  0.652  0.403  1.0
  Fe  Fe37  1  0.000  0.348  0.597  1.0
  Fe  Fe38  1  0.000  0.152  0.097  1.0
  Fe  Fe39  1  0.000  0.848  0.903  1.0
  Fe  Fe40  1  0.000  0.534  0.093  1.0
  Fe  Fe41  1  0.000  0.466  0.907  1.0
  Fe  Fe42  1  0.000  0.034  0.407  1.0
  Fe  Fe43  1  0.000  0.966  0.593  1.0
[/CIF]
.
The material described by Ce(FeGa4)2 crystallizes in the orthorhombic Pbam space group. Ce(1) is bonded in a 13-coordinate geometry to one Ga(1), two equivalent Ga(3), two equivalent Ga(4), two equivalent Ga(5), two equivalent Ga(7), two equivalent Ga(8), and two equivalent Ga(9) atoms. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded in a 9-coordinate geometry to one Ga(1), one Ga(6), one Ga(7), two equivalent Ga(3), two equivalent Ga(8), and two equivalent Ga(9) atoms. In the second Fe site, Fe(2) is bonded in a 9-coordinate geometry to one Ga(7), two equivalent Ga(2), two equivalent Ga(4), two equivalent Ga(5), and two equivalent Ga(6) atoms. There are nine inequivalent Ga sites. In the first Ga site, Ga(9) is bonded in a 12-coordinate geometry to two equivalent Ce(1), two equivalent Fe(1), one Ga(3), one Ga(4), two equivalent Ga(1), two equivalent Ga(7), and two equivalent Ga(8) atoms. In the second Ga site, Ga(1) is bonded to two equivalent Ce(1), two equivalent Fe(1), four equivalent Ga(8), and four equivalent Ga(9) atoms to form a mixture of distorted corner and face-sharing GaCe2Ga8Fe2 cuboctahedra. In the third Ga site, Ga(2) is bonded to four equivalent Fe(2), two equivalent Ga(4), two equivalent Ga(5), and four equivalent Ga(6) atoms to form distorted GaGa8Fe4 cuboctahedra that share faces with two equivalent Ga(2)Ga8Fe4 cuboctahedra and faces with four equivalent Ga(7)Ce2Ga8Fe2 cuboctahedra. In the fourth Ga site, Ga(3) is bonded in a 12-coordinate geometry to two equivalent Ce(1), two equivalent Fe(1), one Ga(4), one Ga(5), one Ga(8), one Ga(9), two equivalent Ga(6), and two equivalent Ga(7) atoms. In the fifth Ga site, Ga(4) is bonded in a 10-coordinate geometry to two equivalent Ce(1), two equivalent Fe(2), one Ga(2), one Ga(3), one Ga(5), one Ga(9), and two equivalent Ga(7) atoms. In the sixth Ga site, Ga(5) is bonded in a 12-coordinate geometry to two equivalent Ce(1), two equivalent Fe(2), one Ga(2), one Ga(3), one Ga(4), one Ga(8), two equivalent Ga(6), and two equivalent Ga(7) atoms. In the seventh Ga site, Ga(6) is bonded in a 3-coordinate geometry to one Fe(1), two equivalent Fe(2), two equivalent Ga(2), two equivalent Ga(3), two equivalent Ga(5), and two equivalent Ga(8) atoms. In the eighth Ga site, Ga(7) is bonded to two equivalent Ce(1), one Fe(1), one Fe(2), two equivalent Ga(3), two equivalent Ga(4), two equivalent Ga(5), and two equivalent Ga(9) atoms to form distorted GaCe2Ga8Fe2 cuboctahedra that share corners with two equivalent Ga(7)Ce2Ga8Fe2 cuboctahedra, corners with three equivalent Ga(1)Ce2Ga8Fe2 cuboctahedra,  a faceface with one Ga(1)Ce2Ga8Fe2 cuboctahedra, faces with two equivalent Ga(7)Ce2Ga8Fe2 cuboctahedra, and faces with two equivalent Ga(2)Ga8Fe4 cuboctahedra. In the ninth Ga site, Ga(8) is bonded in a 12-coordinate geometry to two equivalent Ce(1), two equivalent Fe(1), one Ga(3), one Ga(5), two equivalent Ga(1), two equivalent Ga(6), and two equivalent Ga(9) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ce(Ga4Fe)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.056
_cell_length_b   12.519
_cell_length_c   14.288
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   725.555
_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
  Ce  Ce0  1  0.000  0.843  0.180  1.0
  Ce  Ce1  1  0.000  0.157  0.820  1.0
  Ce  Ce2  1  0.000  0.343  0.320  1.0
  Ce  Ce3  1  0.000  0.657  0.680  1.0
  Ga  Ga4  1  0.000  0.500  0.500  1.0
  Ga  Ga5  1  0.000  0.000  0.000  1.0
  Ga  Ga6  1  0.500  0.500  0.000  1.0
  Ga  Ga7  1  0.500  0.000  0.500  1.0
  Ga  Ga8  1  0.500  0.738  0.325  1.0
  Ga  Ga9  1  0.500  0.262  0.675  1.0
  Ga  Ga10  1  0.500  0.238  0.175  1.0
  Ga  Ga11  1  0.500  0.762  0.825  1.0
  Ga  Ga12  1  0.500  0.951  0.317  1.0
  Ga  Ga13  1  0.500  0.049  0.683  1.0
  Ga  Ga14  1  0.500  0.451  0.183  1.0
  Ga  Ga15  1  0.500  0.549  0.817  1.0
  Ga  Ga16  1  0.500  0.665  0.122  1.0
  Ga  Ga17  1  0.500  0.335  0.878  1.0
  Ga  Ga18  1  0.500  0.165  0.378  1.0
  Ga  Ga19  1  0.500  0.835  0.622  1.0
  Ga  Ga20  1  0.000  0.837  0.454  1.0
  Ga  Ga21  1  0.000  0.163  0.546  1.0
  Ga  Ga22  1  0.000  0.337  0.046  1.0
  Ga  Ga23  1  0.000  0.663  0.954  1.0
  Ga  Ga24  1  0.000  0.599  0.246  1.0
  Ga  Ga25  1  0.000  0.401  0.754  1.0
  Ga  Ga26  1  0.000  0.099  0.254  1.0
  Ga  Ga27  1  0.000  0.901  0.746  1.0
  Ga  Ga28  1  0.500  0.832  0.010  1.0
  Ga  Ga29  1  0.500  0.168  0.990  1.0
  Ga  Ga30  1  0.500  0.332  0.490  1.0
  Ga  Ga31  1  0.500  0.668  0.510  1.0
  Ga  Ga32  1  0.500  0.523  0.366  1.0
  Ga  Ga33  1  0.500  0.477  0.634  1.0
  Ga  Ga34  1  0.500  0.023  0.134  1.0
  Ga  Ga35  1  0.500  0.977  0.866  1.0
  Fe  Fe36  1  0.000  0.652  0.403  1.0
  Fe  Fe37  1  0.000  0.348  0.597  1.0
  Fe  Fe38  1  0.000  0.152  0.097  1.0
  Fe  Fe39  1  0.000  0.848  0.903  1.0
  Fe  Fe40  1  0.000  0.534  0.093  1.0
  Fe  Fe41  1  0.000  0.466  0.907  1.0
  Fe  Fe42  1  0.000  0.034  0.407  1.0
  Fe  Fe43  1  0.000  0.966  0.593  1.0
[/CIF]
.