The material described by CeNi8FeGe4 crystallizes in the orthorhombic Fmm2 space group. Ce(1) is bonded in a 24-coordinate geometry to two equivalent Fe(1), two equivalent Ni(5), two equivalent Ni(6), two equivalent Ni(7), four equivalent Ni(1), four equivalent Ni(2), two equivalent Ge(1), two equivalent Ge(2), two equivalent Ge(3), and two equivalent Ge(4) atoms. Fe(1) is bonded in a 12-coordinate geometry to two equivalent Ce(1), one Fe(1), one Ni(3), two equivalent Ni(2), two equivalent Ni(7), one Ge(1), one Ge(3), and two equivalent Ge(2) atoms. There are seven inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to two equivalent Ce(1), one Ni(1), one Ni(4), one Ni(5), one Ni(7), two equivalent Ni(2), one Ge(1), one Ge(2), one Ge(3), and one Ge(4) atom to form distorted NiCe2Ni6Ge4 cuboctahedra that share  a cornercorner with one Ni(3)Fe2Ni6Ge4 cuboctahedra, corners with five equivalent Ni(1)Ce2Ni6Ge4 cuboctahedra, corners with six equivalent Ni(2)Ce2FeNi5Ge4 cuboctahedra,  a faceface with one Ni(3)Fe2Ni6Ge4 cuboctahedra,  a faceface with one Ni(4)Ni8Ge4 cuboctahedra, faces with three equivalent Ni(1)Ce2Ni6Ge4 cuboctahedra, and faces with four equivalent Ni(2)Ce2FeNi5Ge4 cuboctahedra. In the second Ni site, Ni(2) is bonded to two equivalent Ce(1), one Fe(1), one Ni(2), one Ni(3), one Ni(6), two equivalent Ni(1), one Ge(1), one Ge(2), one Ge(3), and one Ge(4) atom to form distorted NiCe2FeNi5Ge4 cuboctahedra that share  a cornercorner with one Ni(4)Ni8Ge4 cuboctahedra, corners with five equivalent Ni(2)Ce2FeNi5Ge4 cuboctahedra, corners with six equivalent Ni(1)Ce2Ni6Ge4 cuboctahedra,  a faceface with one Ni(3)Fe2Ni6Ge4 cuboctahedra,  a faceface with one Ni(4)Ni8Ge4 cuboctahedra, faces with three equivalent Ni(2)Ce2FeNi5Ge4 cuboctahedra, and faces with four equivalent Ni(1)Ce2Ni6Ge4 cuboctahedra. In the third Ni site, Ni(3) is bonded to two equivalent Fe(1), two equivalent Ni(6), four equivalent Ni(2), two equivalent Ge(2), and two equivalent Ge(4) atoms to form NiFe2Ni6Ge4 cuboctahedra that share corners with four equivalent Ni(1)Ce2Ni6Ge4 cuboctahedra, faces with four equivalent Ni(2)Ce2FeNi5Ge4 cuboctahedra, and faces with four equivalent Ni(1)Ce2Ni6Ge4 cuboctahedra. In the fourth Ni site, Ni(4) is bonded to two equivalent Ni(5), two equivalent Ni(7), four equivalent Ni(1), two equivalent Ge(1), and two equivalent Ge(3) atoms to form NiNi8Ge4 cuboctahedra that share corners with four equivalent Ni(2)Ce2FeNi5Ge4 cuboctahedra, faces with four equivalent Ni(2)Ce2FeNi5Ge4 cuboctahedra, and faces with four equivalent Ni(1)Ce2Ni6Ge4 cuboctahedra. In the fifth Ni site, Ni(5) is bonded in a 12-coordinate geometry to two equivalent Ce(1), one Ni(4), one Ni(5), two equivalent Ni(1), two equivalent Ni(6), one Ge(2), one Ge(4), and two equivalent Ge(1) atoms. In the sixth Ni site, Ni(6) is bonded in a 4-coordinate geometry to two equivalent Ce(1), one Ni(3), two equivalent Ni(2), two equivalent Ni(5), one Ge(1), one Ge(3), and two equivalent Ge(4) atoms. In the seventh Ni site, Ni(7) is bonded in a 12-coordinate geometry to two equivalent Ce(1), two equivalent Fe(1), one Ni(4), one Ni(7), two equivalent Ni(1), one Ge(2), one Ge(4), and two equivalent Ge(3) atoms. There are four inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 11-coordinate geometry to two equivalent Ce(1), one Fe(1), one Ni(4), one Ni(6), two equivalent Ni(1), two equivalent Ni(2), and two equivalent Ni(5) atoms. In the second Ge site, Ge(2) is bonded in a 11-coordinate geometry to two equivalent Ce(1), two equivalent Fe(1), one Ni(3), one Ni(5), one Ni(7), two equivalent Ni(1), and two equivalent Ni(2) atoms. In the third Ge site, Ge(3) is bonded in a 9-coordinate geometry to two equivalent Ce(1), one Fe(1), one Ni(4), one Ni(6), two equivalent Ni(1), two equivalent Ni(2), and two equivalent Ni(7) atoms. In the fourth Ge site, Ge(4) is bonded in a 11-coordinate geometry to two equivalent Ce(1), one Ni(3), one Ni(5), one Ni(7), two equivalent Ni(1), two equivalent Ni(2), and two equivalent Ni(6) atoms. is represented by the CIF card [CIF]
data_CeFe(Ni2Ge)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.042
_cell_length_b   8.042
_cell_length_c   8.245
_cell_angle_alpha   60.606
_cell_angle_beta   60.606
_cell_angle_gamma   89.633
_symmetry_Int_Tables_number   1
_cell_volume   385.003
_cell_formula_units_Z   2
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  0.252  0.252  0.496  1.0
  Ce  Ce1  1  0.752  0.752  0.496  1.0
  Fe  Fe2  1  0.700  0.442  0.358  1.0
  Fe  Fe3  1  0.942  0.200  0.358  1.0
  Ni  Ni4  1  0.433  0.703  1.000  1.0
  Ni  Ni5  1  0.567  0.297  1.000  1.0
  Ni  Ni6  1  0.065  0.203  0.002  1.0
  Ni  Ni7  1  0.933  0.795  0.002  1.0
  Ni  Ni8  1  0.295  0.433  0.002  1.0
  Ni  Ni9  1  0.703  0.565  0.002  1.0
  Ni  Ni10  1  0.797  0.067  1.000  1.0
  Ni  Ni11  1  0.203  0.933  1.000  1.0
  Ni  Ni12  1  0.001  0.501  0.999  1.0
  Ni  Ni13  1  0.500  1.000  0.001  1.0
  Ni  Ni14  1  0.441  0.941  0.364  1.0
  Ni  Ni15  1  0.196  0.696  0.364  1.0
  Ni  Ni16  1  0.306  0.557  0.638  1.0
  Ni  Ni17  1  0.057  0.806  0.638  1.0
  Ni  Ni18  1  0.558  0.058  0.639  1.0
  Ni  Ni19  1  0.803  0.303  0.639  1.0
  Ge  Ge20  1  0.552  0.704  0.244  1.0
  Ge  Ge21  1  0.204  0.052  0.244  1.0
  Ge  Ge22  1  0.699  0.199  0.247  1.0
  Ge  Ge23  1  0.054  0.554  0.247  1.0
  Ge  Ge24  1  0.446  0.296  0.758  1.0
  Ge  Ge25  1  0.796  0.946  0.758  1.0
  Ge  Ge26  1  0.298  0.798  0.754  1.0
  Ge  Ge27  1  0.948  0.448  0.754  1.0
[/CIF]
.
The material described by CeNi8FeGe4 crystallizes in the orthorhombic Fmm2 space group. Ce(1) is bonded in a 24-coordinate geometry to two equivalent Fe(1), two equivalent Ni(5), two equivalent Ni(6), two equivalent Ni(7), four equivalent Ni(1), four equivalent Ni(2), two equivalent Ge(1), two equivalent Ge(2), two equivalent Ge(3), and two equivalent Ge(4) atoms. Fe(1) is bonded in a 12-coordinate geometry to two equivalent Ce(1), one Fe(1), one Ni(3), two equivalent Ni(2), two equivalent Ni(7), one Ge(1), one Ge(3), and two equivalent Ge(2) atoms. There are seven inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to two equivalent Ce(1), one Ni(1), one Ni(4), one Ni(5), one Ni(7), two equivalent Ni(2), one Ge(1), one Ge(2), one Ge(3), and one Ge(4) atom to form distorted NiCe2Ni6Ge4 cuboctahedra that share  a cornercorner with one Ni(3)Fe2Ni6Ge4 cuboctahedra, corners with five equivalent Ni(1)Ce2Ni6Ge4 cuboctahedra, corners with six equivalent Ni(2)Ce2FeNi5Ge4 cuboctahedra,  a faceface with one Ni(3)Fe2Ni6Ge4 cuboctahedra,  a faceface with one Ni(4)Ni8Ge4 cuboctahedra, faces with three equivalent Ni(1)Ce2Ni6Ge4 cuboctahedra, and faces with four equivalent Ni(2)Ce2FeNi5Ge4 cuboctahedra. In the second Ni site, Ni(2) is bonded to two equivalent Ce(1), one Fe(1), one Ni(2), one Ni(3), one Ni(6), two equivalent Ni(1), one Ge(1), one Ge(2), one Ge(3), and one Ge(4) atom to form distorted NiCe2FeNi5Ge4 cuboctahedra that share  a cornercorner with one Ni(4)Ni8Ge4 cuboctahedra, corners with five equivalent Ni(2)Ce2FeNi5Ge4 cuboctahedra, corners with six equivalent Ni(1)Ce2Ni6Ge4 cuboctahedra,  a faceface with one Ni(3)Fe2Ni6Ge4 cuboctahedra,  a faceface with one Ni(4)Ni8Ge4 cuboctahedra, faces with three equivalent Ni(2)Ce2FeNi5Ge4 cuboctahedra, and faces with four equivalent Ni(1)Ce2Ni6Ge4 cuboctahedra. In the third Ni site, Ni(3) is bonded to two equivalent Fe(1), two equivalent Ni(6), four equivalent Ni(2), two equivalent Ge(2), and two equivalent Ge(4) atoms to form NiFe2Ni6Ge4 cuboctahedra that share corners with four equivalent Ni(1)Ce2Ni6Ge4 cuboctahedra, faces with four equivalent Ni(2)Ce2FeNi5Ge4 cuboctahedra, and faces with four equivalent Ni(1)Ce2Ni6Ge4 cuboctahedra. In the fourth Ni site, Ni(4) is bonded to two equivalent Ni(5), two equivalent Ni(7), four equivalent Ni(1), two equivalent Ge(1), and two equivalent Ge(3) atoms to form NiNi8Ge4 cuboctahedra that share corners with four equivalent Ni(2)Ce2FeNi5Ge4 cuboctahedra, faces with four equivalent Ni(2)Ce2FeNi5Ge4 cuboctahedra, and faces with four equivalent Ni(1)Ce2Ni6Ge4 cuboctahedra. In the fifth Ni site, Ni(5) is bonded in a 12-coordinate geometry to two equivalent Ce(1), one Ni(4), one Ni(5), two equivalent Ni(1), two equivalent Ni(6), one Ge(2), one Ge(4), and two equivalent Ge(1) atoms. In the sixth Ni site, Ni(6) is bonded in a 4-coordinate geometry to two equivalent Ce(1), one Ni(3), two equivalent Ni(2), two equivalent Ni(5), one Ge(1), one Ge(3), and two equivalent Ge(4) atoms. In the seventh Ni site, Ni(7) is bonded in a 12-coordinate geometry to two equivalent Ce(1), two equivalent Fe(1), one Ni(4), one Ni(7), two equivalent Ni(1), one Ge(2), one Ge(4), and two equivalent Ge(3) atoms. There are four inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 11-coordinate geometry to two equivalent Ce(1), one Fe(1), one Ni(4), one Ni(6), two equivalent Ni(1), two equivalent Ni(2), and two equivalent Ni(5) atoms. In the second Ge site, Ge(2) is bonded in a 11-coordinate geometry to two equivalent Ce(1), two equivalent Fe(1), one Ni(3), one Ni(5), one Ni(7), two equivalent Ni(1), and two equivalent Ni(2) atoms. In the third Ge site, Ge(3) is bonded in a 9-coordinate geometry to two equivalent Ce(1), one Fe(1), one Ni(4), one Ni(6), two equivalent Ni(1), two equivalent Ni(2), and two equivalent Ni(7) atoms. In the fourth Ge site, Ge(4) is bonded in a 11-coordinate geometry to two equivalent Ce(1), one Ni(3), one Ni(5), one Ni(7), two equivalent Ni(1), two equivalent Ni(2), and two equivalent Ni(6) atoms. is represented by the CIF card [CIF]
data_CeFe(Ni2Ge)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.042
_cell_length_b   8.042
_cell_length_c   8.245
_cell_angle_alpha   60.606
_cell_angle_beta   60.606
_cell_angle_gamma   89.633
_symmetry_Int_Tables_number   1
_cell_volume   385.003
_cell_formula_units_Z   2
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  0.252  0.252  0.496  1.0
  Ce  Ce1  1  0.752  0.752  0.496  1.0
  Fe  Fe2  1  0.700  0.442  0.358  1.0
  Fe  Fe3  1  0.942  0.200  0.358  1.0
  Ni  Ni4  1  0.433  0.703  1.000  1.0
  Ni  Ni5  1  0.567  0.297  1.000  1.0
  Ni  Ni6  1  0.065  0.203  0.002  1.0
  Ni  Ni7  1  0.933  0.795  0.002  1.0
  Ni  Ni8  1  0.295  0.433  0.002  1.0
  Ni  Ni9  1  0.703  0.565  0.002  1.0
  Ni  Ni10  1  0.797  0.067  1.000  1.0
  Ni  Ni11  1  0.203  0.933  1.000  1.0
  Ni  Ni12  1  0.001  0.501  0.999  1.0
  Ni  Ni13  1  0.500  1.000  0.001  1.0
  Ni  Ni14  1  0.441  0.941  0.364  1.0
  Ni  Ni15  1  0.196  0.696  0.364  1.0
  Ni  Ni16  1  0.306  0.557  0.638  1.0
  Ni  Ni17  1  0.057  0.806  0.638  1.0
  Ni  Ni18  1  0.558  0.058  0.639  1.0
  Ni  Ni19  1  0.803  0.303  0.639  1.0
  Ge  Ge20  1  0.552  0.704  0.244  1.0
  Ge  Ge21  1  0.204  0.052  0.244  1.0
  Ge  Ge22  1  0.699  0.199  0.247  1.0
  Ge  Ge23  1  0.054  0.554  0.247  1.0
  Ge  Ge24  1  0.446  0.296  0.758  1.0
  Ge  Ge25  1  0.796  0.946  0.758  1.0
  Ge  Ge26  1  0.298  0.798  0.754  1.0
  Ge  Ge27  1  0.948  0.448  0.754  1.0
[/CIF]
.