The compound described by NdFe2Ga8 crystallizes in the orthorhombic Pbam space group. Nd(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 10-coordinate geometry to one Fe(2), 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 Nd(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 Nd(1), two equivalent Fe(1), four equivalent Ga(8), and four equivalent Ga(9) atoms to form distorted face-sharing GaNd2Ga8Fe2 cuboctahedra. In the third Ga site, Ga(2) is bonded in a 12-coordinate geometry to four equivalent Fe(2), two equivalent Ga(4), two equivalent Ga(5), and four equivalent Ga(6) atoms. In the fourth Ga site, Ga(3) is bonded in a 12-coordinate geometry to two equivalent Nd(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 Nd(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 Nd(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 in a 12-coordinate geometry to two equivalent Nd(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. In the ninth Ga site, Ga(8) is bonded in a 12-coordinate geometry to two equivalent Nd(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 CIF card [CIF]
data_Nd(Ga4Fe)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.043
_cell_length_b   12.689
_cell_length_c   14.364
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   736.970
_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
  Nd  Nd0  1  0.000  0.843  0.181  1.0
  Nd  Nd1  1  0.000  0.157  0.819  1.0
  Nd  Nd2  1  0.000  0.657  0.681  1.0
  Nd  Nd3  1  0.000  0.343  0.319  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  0.000  0.500  1.0
  Ga  Ga7  1  0.500  0.500  0.000  1.0
  Ga  Ga8  1  0.500  0.739  0.327  1.0
  Ga  Ga9  1  0.500  0.261  0.673  1.0
  Ga  Ga10  1  0.500  0.761  0.827  1.0
  Ga  Ga11  1  0.500  0.239  0.173  1.0
  Ga  Ga12  1  0.500  0.951  0.319  1.0
  Ga  Ga13  1  0.500  0.049  0.681  1.0
  Ga  Ga14  1  0.500  0.549  0.819  1.0
  Ga  Ga15  1  0.500  0.451  0.181  1.0
  Ga  Ga16  1  0.500  0.663  0.121  1.0
  Ga  Ga17  1  0.500  0.337  0.879  1.0
  Ga  Ga18  1  0.500  0.837  0.621  1.0
  Ga  Ga19  1  0.500  0.163  0.379  1.0
  Ga  Ga20  1  0.000  0.836  0.454  1.0
  Ga  Ga21  1  0.000  0.164  0.546  1.0
  Ga  Ga22  1  0.000  0.664  0.954  1.0
  Ga  Ga23  1  0.000  0.336  0.046  1.0
  Ga  Ga24  1  0.000  0.598  0.245  1.0
  Ga  Ga25  1  0.000  0.402  0.755  1.0
  Ga  Ga26  1  0.000  0.902  0.745  1.0
  Ga  Ga27  1  0.000  0.098  0.255  1.0
  Ga  Ga28  1  0.500  0.831  0.011  1.0
  Ga  Ga29  1  0.500  0.169  0.989  1.0
  Ga  Ga30  1  0.500  0.669  0.511  1.0
  Ga  Ga31  1  0.500  0.331  0.489  1.0
  Ga  Ga32  1  0.500  0.525  0.366  1.0
  Ga  Ga33  1  0.500  0.475  0.634  1.0
  Ga  Ga34  1  0.500  0.975  0.866  1.0
  Ga  Ga35  1  0.500  0.025  0.134  1.0
  Fe  Fe36  1  0.000  0.651  0.403  1.0
  Fe  Fe37  1  0.000  0.349  0.597  1.0
  Fe  Fe38  1  0.000  0.849  0.903  1.0
  Fe  Fe39  1  0.000  0.151  0.097  1.0
  Fe  Fe40  1  0.000  0.534  0.091  1.0
  Fe  Fe41  1  0.000  0.466  0.909  1.0
  Fe  Fe42  1  0.000  0.966  0.591  1.0
  Fe  Fe43  1  0.000  0.034  0.409  1.0
[/CIF]
.
The compound described by NdFe2Ga8 crystallizes in the orthorhombic Pbam space group. Nd(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 10-coordinate geometry to one Fe(2), 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 Nd(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 Nd(1), two equivalent Fe(1), four equivalent Ga(8), and four equivalent Ga(9) atoms to form distorted face-sharing GaNd2Ga8Fe2 cuboctahedra. In the third Ga site, Ga(2) is bonded in a 12-coordinate geometry to four equivalent Fe(2), two equivalent Ga(4), two equivalent Ga(5), and four equivalent Ga(6) atoms. In the fourth Ga site, Ga(3) is bonded in a 12-coordinate geometry to two equivalent Nd(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 Nd(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 Nd(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 in a 12-coordinate geometry to two equivalent Nd(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. In the ninth Ga site, Ga(8) is bonded in a 12-coordinate geometry to two equivalent Nd(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 CIF card [CIF]
data_Nd(Ga4Fe)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.043
_cell_length_b   12.689
_cell_length_c   14.364
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   736.970
_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
  Nd  Nd0  1  0.000  0.843  0.181  1.0
  Nd  Nd1  1  0.000  0.157  0.819  1.0
  Nd  Nd2  1  0.000  0.657  0.681  1.0
  Nd  Nd3  1  0.000  0.343  0.319  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  0.000  0.500  1.0
  Ga  Ga7  1  0.500  0.500  0.000  1.0
  Ga  Ga8  1  0.500  0.739  0.327  1.0
  Ga  Ga9  1  0.500  0.261  0.673  1.0
  Ga  Ga10  1  0.500  0.761  0.827  1.0
  Ga  Ga11  1  0.500  0.239  0.173  1.0
  Ga  Ga12  1  0.500  0.951  0.319  1.0
  Ga  Ga13  1  0.500  0.049  0.681  1.0
  Ga  Ga14  1  0.500  0.549  0.819  1.0
  Ga  Ga15  1  0.500  0.451  0.181  1.0
  Ga  Ga16  1  0.500  0.663  0.121  1.0
  Ga  Ga17  1  0.500  0.337  0.879  1.0
  Ga  Ga18  1  0.500  0.837  0.621  1.0
  Ga  Ga19  1  0.500  0.163  0.379  1.0
  Ga  Ga20  1  0.000  0.836  0.454  1.0
  Ga  Ga21  1  0.000  0.164  0.546  1.0
  Ga  Ga22  1  0.000  0.664  0.954  1.0
  Ga  Ga23  1  0.000  0.336  0.046  1.0
  Ga  Ga24  1  0.000  0.598  0.245  1.0
  Ga  Ga25  1  0.000  0.402  0.755  1.0
  Ga  Ga26  1  0.000  0.902  0.745  1.0
  Ga  Ga27  1  0.000  0.098  0.255  1.0
  Ga  Ga28  1  0.500  0.831  0.011  1.0
  Ga  Ga29  1  0.500  0.169  0.989  1.0
  Ga  Ga30  1  0.500  0.669  0.511  1.0
  Ga  Ga31  1  0.500  0.331  0.489  1.0
  Ga  Ga32  1  0.500  0.525  0.366  1.0
  Ga  Ga33  1  0.500  0.475  0.634  1.0
  Ga  Ga34  1  0.500  0.975  0.866  1.0
  Ga  Ga35  1  0.500  0.025  0.134  1.0
  Fe  Fe36  1  0.000  0.651  0.403  1.0
  Fe  Fe37  1  0.000  0.349  0.597  1.0
  Fe  Fe38  1  0.000  0.849  0.903  1.0
  Fe  Fe39  1  0.000  0.151  0.097  1.0
  Fe  Fe40  1  0.000  0.534  0.091  1.0
  Fe  Fe41  1  0.000  0.466  0.909  1.0
  Fe  Fe42  1  0.000  0.966  0.591  1.0
  Fe  Fe43  1  0.000  0.034  0.409  1.0
[/CIF]
.