The material described by Fe2Pt4NiCu is Tetraauricupride-derived structured and crystallizes in the tetragonal P4mm space group. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to four equivalent Fe(1), four equivalent Pt(2), and four equivalent Pt(3) atoms to form distorted FeFe4Pt8 cuboctahedra that share corners with four equivalent Fe(1)Fe4Pt8 cuboctahedra, corners with four equivalent Fe(2)Fe4Pt8 cuboctahedra, corners with four equivalent Ni(1)Ni4Pt8 cuboctahedra, edges with four equivalent Fe(2)Fe4Pt8 cuboctahedra, edges with four equivalent Ni(1)Ni4Pt8 cuboctahedra, edges with eight equivalent Pt(2)Fe4Ni4Pt4 cuboctahedra, edges with eight equivalent Pt(3)Fe8Pt4 cuboctahedra,  a faceface with one Fe(2)Fe4Pt8 cuboctahedra,  a faceface with one Ni(1)Ni4Pt8 cuboctahedra, faces with four equivalent Pt(2)Fe4Ni4Pt4 cuboctahedra, faces with four equivalent Pt(3)Fe8Pt4 cuboctahedra, and faces with eight equivalent Fe(1)Fe4Pt8 cuboctahedra. In the second Fe site, Fe(2) is bonded to four equivalent Fe(2), four equivalent Pt(3), and four equivalent Pt(4) atoms to form distorted FeFe4Pt8 cuboctahedra that share corners with four equivalent Fe(1)Fe4Pt8 cuboctahedra, corners with four equivalent Fe(2)Fe4Pt8 cuboctahedra, corners with four equivalent Cu(1)Cu4Pt8 cuboctahedra, edges with four equivalent Fe(1)Fe4Pt8 cuboctahedra, edges with four equivalent Cu(1)Cu4Pt8 cuboctahedra, edges with eight equivalent Pt(4)Fe4Cu4Pt4 cuboctahedra, edges with eight equivalent Pt(3)Fe8Pt4 cuboctahedra,  a faceface with one Fe(1)Fe4Pt8 cuboctahedra,  a faceface with one Cu(1)Cu4Pt8 cuboctahedra, faces with four equivalent Pt(4)Fe4Cu4Pt4 cuboctahedra, faces with four equivalent Pt(3)Fe8Pt4 cuboctahedra, and faces with eight equivalent Fe(2)Fe4Pt8 cuboctahedra. There are four inequivalent Pt sites. In the first Pt site, Pt(1) is bonded to four equivalent Pt(1), four equivalent Ni(1), and four equivalent Cu(1) atoms to form distorted PtCu4Ni4Pt4 cuboctahedra that share corners with four equivalent Pt(1)Cu4Ni4Pt4 cuboctahedra, corners with four equivalent Pt(4)Fe4Cu4Pt4 cuboctahedra, corners with four equivalent Pt(2)Fe4Ni4Pt4 cuboctahedra, edges with four equivalent Pt(4)Fe4Cu4Pt4 cuboctahedra, edges with four equivalent Pt(2)Fe4Ni4Pt4 cuboctahedra, edges with eight equivalent Ni(1)Ni4Pt8 cuboctahedra, edges with eight equivalent Cu(1)Cu4Pt8 cuboctahedra,  a faceface with one Pt(4)Fe4Cu4Pt4 cuboctahedra,  a faceface with one Pt(2)Fe4Ni4Pt4 cuboctahedra, faces with four equivalent Ni(1)Ni4Pt8 cuboctahedra, faces with four equivalent Cu(1)Cu4Pt8 cuboctahedra, and faces with eight equivalent Pt(1)Cu4Ni4Pt4 cuboctahedra. In the second Pt site, Pt(2) is bonded to four equivalent Fe(1), four equivalent Pt(2), and four equivalent Ni(1) atoms to form distorted PtFe4Ni4Pt4 cuboctahedra that share corners with four equivalent Pt(1)Cu4Ni4Pt4 cuboctahedra, corners with four equivalent Pt(2)Fe4Ni4Pt4 cuboctahedra, corners with four equivalent Pt(3)Fe8Pt4 cuboctahedra, edges with four equivalent Pt(1)Cu4Ni4Pt4 cuboctahedra, edges with four equivalent Pt(3)Fe8Pt4 cuboctahedra, edges with eight equivalent Fe(1)Fe4Pt8 cuboctahedra, edges with eight equivalent Ni(1)Ni4Pt8 cuboctahedra,  a faceface with one Pt(1)Cu4Ni4Pt4 cuboctahedra,  a faceface with one Pt(3)Fe8Pt4 cuboctahedra, faces with four equivalent Fe(1)Fe4Pt8 cuboctahedra, faces with four equivalent Ni(1)Ni4Pt8 cuboctahedra, and faces with eight equivalent Pt(2)Fe4Ni4Pt4 cuboctahedra. In the third Pt site, Pt(3) is bonded to four equivalent Fe(1), four equivalent Fe(2), and four equivalent Pt(3) atoms to form distorted PtFe8Pt4 cuboctahedra that share corners with four equivalent Pt(4)Fe4Cu4Pt4 cuboctahedra, corners with four equivalent Pt(2)Fe4Ni4Pt4 cuboctahedra, corners with four equivalent Pt(3)Fe8Pt4 cuboctahedra, edges with four equivalent Pt(4)Fe4Cu4Pt4 cuboctahedra, edges with four equivalent Pt(2)Fe4Ni4Pt4 cuboctahedra, edges with eight equivalent Fe(1)Fe4Pt8 cuboctahedra, edges with eight equivalent Fe(2)Fe4Pt8 cuboctahedra,  a faceface with one Pt(4)Fe4Cu4Pt4 cuboctahedra,  a faceface with one Pt(2)Fe4Ni4Pt4 cuboctahedra, faces with four equivalent Fe(1)Fe4Pt8 cuboctahedra, faces with four equivalent Fe(2)Fe4Pt8 cuboctahedra, and faces with eight equivalent Pt(3)Fe8Pt4 cuboctahedra. In the fourth Pt site, Pt(4) is bonded to four equivalent Fe(2), four equivalent Pt(4), and four equivalent Cu(1) atoms to form distorted PtFe4Cu4Pt4 cuboctahedra that share corners with four equivalent Pt(1)Cu4Ni4Pt4 cuboctahedra, corners with four equivalent Pt(4)Fe4Cu4Pt4 cuboctahedra, corners with four equivalent Pt(3)Fe8Pt4 cuboctahedra, edges with four equivalent Pt(1)Cu4Ni4Pt4 cuboctahedra, edges with four equivalent Pt(3)Fe8Pt4 cuboctahedra, edges with eight equivalent Fe(2)Fe4Pt8 cuboctahedra, edges with eight equivalent Cu(1)Cu4Pt8 cuboctahedra,  a faceface with one Pt(1)Cu4Ni4Pt4 cuboctahedra,  a faceface with one Pt(3)Fe8Pt4 cuboctahedra, faces with four equivalent Fe(2)Fe4Pt8 cuboctahedra, faces with four equivalent Cu(1)Cu4Pt8 cuboctahedra, and faces with eight equivalent Pt(4)Fe4Cu4Pt4 cuboctahedra. Ni(1) is bonded to four equivalent Pt(1), four equivalent Pt(2), and four equivalent Ni(1) atoms to form distorted NiNi4Pt8 cuboctahedra that share corners with four equivalent Fe(1)Fe4Pt8 cuboctahedra, corners with four equivalent Ni(1)Ni4Pt8 cuboctahedra, corners with four equivalent Cu(1)Cu4Pt8 cuboctahedra, edges with four equivalent Fe(1)Fe4Pt8 cuboctahedra, edges with four equivalent Cu(1)Cu4Pt8 cuboctahedra, edges with eight equivalent Pt(1)Cu4Ni4Pt4 cuboctahedra, edges with eight equivalent Pt(2)Fe4Ni4Pt4 cuboctahedra,  a faceface with one Fe(1)Fe4Pt8 cuboctahedra,  a faceface with one Cu(1)Cu4Pt8 cuboctahedra, faces with four equivalent Pt(1)Cu4Ni4Pt4 cuboctahedra, faces with four equivalent Pt(2)Fe4Ni4Pt4 cuboctahedra, and faces with eight equivalent Ni(1)Ni4Pt8 cuboctahedra. Cu(1) is bonded to four equivalent Pt(1), four equivalent Pt(4), and four equivalent Cu(1) atoms to form distorted CuCu4Pt8 cuboctahedra that share corners with four equivalent Fe(2)Fe4Pt8 cuboctahedra, corners with four equivalent Ni(1)Ni4Pt8 cuboctahedra, corners with four equivalent Cu(1)Cu4Pt8 cuboctahedra, edges with four equivalent Fe(2)Fe4Pt8 cuboctahedra, edges with four equivalent Ni(1)Ni4Pt8 cuboctahedra, edges with eight equivalent Pt(1)Cu4Ni4Pt4 cuboctahedra, edges with eight equivalent Pt(4)Fe4Cu4Pt4 cuboctahedra,  a faceface with one Fe(2)Fe4Pt8 cuboctahedra,  a faceface with one Ni(1)Ni4Pt8 cuboctahedra, faces with four equivalent Pt(1)Cu4Ni4Pt4 cuboctahedra, faces with four equivalent Pt(4)Fe4Cu4Pt4 cuboctahedra, and faces with eight equivalent Cu(1)Cu4Pt8 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Fe2CuNiPt4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.720
_cell_length_b   2.720
_cell_length_c   14.887
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   110.134
_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
  Fe  Fe0  1  0.000  0.000  0.499  1.0
  Fe  Fe1  1  0.000  0.000  0.751  1.0
  Cu  Cu2  1  0.000  0.000  0.002  1.0
  Ni  Ni3  1  0.000  0.000  0.249  1.0
  Pt  Pt4  1  0.500  0.500  0.128  1.0
  Pt  Pt5  1  0.500  0.500  0.374  1.0
  Pt  Pt6  1  0.500  0.500  0.625  1.0
  Pt  Pt7  1  0.500  0.500  0.874  1.0
[/CIF]
.
The material described by Fe2Pt4NiCu is Tetraauricupride-derived structured and crystallizes in the tetragonal P4mm space group. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to four equivalent Fe(1), four equivalent Pt(2), and four equivalent Pt(3) atoms to form distorted FeFe4Pt8 cuboctahedra that share corners with four equivalent Fe(1)Fe4Pt8 cuboctahedra, corners with four equivalent Fe(2)Fe4Pt8 cuboctahedra, corners with four equivalent Ni(1)Ni4Pt8 cuboctahedra, edges with four equivalent Fe(2)Fe4Pt8 cuboctahedra, edges with four equivalent Ni(1)Ni4Pt8 cuboctahedra, edges with eight equivalent Pt(2)Fe4Ni4Pt4 cuboctahedra, edges with eight equivalent Pt(3)Fe8Pt4 cuboctahedra,  a faceface with one Fe(2)Fe4Pt8 cuboctahedra,  a faceface with one Ni(1)Ni4Pt8 cuboctahedra, faces with four equivalent Pt(2)Fe4Ni4Pt4 cuboctahedra, faces with four equivalent Pt(3)Fe8Pt4 cuboctahedra, and faces with eight equivalent Fe(1)Fe4Pt8 cuboctahedra. In the second Fe site, Fe(2) is bonded to four equivalent Fe(2), four equivalent Pt(3), and four equivalent Pt(4) atoms to form distorted FeFe4Pt8 cuboctahedra that share corners with four equivalent Fe(1)Fe4Pt8 cuboctahedra, corners with four equivalent Fe(2)Fe4Pt8 cuboctahedra, corners with four equivalent Cu(1)Cu4Pt8 cuboctahedra, edges with four equivalent Fe(1)Fe4Pt8 cuboctahedra, edges with four equivalent Cu(1)Cu4Pt8 cuboctahedra, edges with eight equivalent Pt(4)Fe4Cu4Pt4 cuboctahedra, edges with eight equivalent Pt(3)Fe8Pt4 cuboctahedra,  a faceface with one Fe(1)Fe4Pt8 cuboctahedra,  a faceface with one Cu(1)Cu4Pt8 cuboctahedra, faces with four equivalent Pt(4)Fe4Cu4Pt4 cuboctahedra, faces with four equivalent Pt(3)Fe8Pt4 cuboctahedra, and faces with eight equivalent Fe(2)Fe4Pt8 cuboctahedra. There are four inequivalent Pt sites. In the first Pt site, Pt(1) is bonded to four equivalent Pt(1), four equivalent Ni(1), and four equivalent Cu(1) atoms to form distorted PtCu4Ni4Pt4 cuboctahedra that share corners with four equivalent Pt(1)Cu4Ni4Pt4 cuboctahedra, corners with four equivalent Pt(4)Fe4Cu4Pt4 cuboctahedra, corners with four equivalent Pt(2)Fe4Ni4Pt4 cuboctahedra, edges with four equivalent Pt(4)Fe4Cu4Pt4 cuboctahedra, edges with four equivalent Pt(2)Fe4Ni4Pt4 cuboctahedra, edges with eight equivalent Ni(1)Ni4Pt8 cuboctahedra, edges with eight equivalent Cu(1)Cu4Pt8 cuboctahedra,  a faceface with one Pt(4)Fe4Cu4Pt4 cuboctahedra,  a faceface with one Pt(2)Fe4Ni4Pt4 cuboctahedra, faces with four equivalent Ni(1)Ni4Pt8 cuboctahedra, faces with four equivalent Cu(1)Cu4Pt8 cuboctahedra, and faces with eight equivalent Pt(1)Cu4Ni4Pt4 cuboctahedra. In the second Pt site, Pt(2) is bonded to four equivalent Fe(1), four equivalent Pt(2), and four equivalent Ni(1) atoms to form distorted PtFe4Ni4Pt4 cuboctahedra that share corners with four equivalent Pt(1)Cu4Ni4Pt4 cuboctahedra, corners with four equivalent Pt(2)Fe4Ni4Pt4 cuboctahedra, corners with four equivalent Pt(3)Fe8Pt4 cuboctahedra, edges with four equivalent Pt(1)Cu4Ni4Pt4 cuboctahedra, edges with four equivalent Pt(3)Fe8Pt4 cuboctahedra, edges with eight equivalent Fe(1)Fe4Pt8 cuboctahedra, edges with eight equivalent Ni(1)Ni4Pt8 cuboctahedra,  a faceface with one Pt(1)Cu4Ni4Pt4 cuboctahedra,  a faceface with one Pt(3)Fe8Pt4 cuboctahedra, faces with four equivalent Fe(1)Fe4Pt8 cuboctahedra, faces with four equivalent Ni(1)Ni4Pt8 cuboctahedra, and faces with eight equivalent Pt(2)Fe4Ni4Pt4 cuboctahedra. In the third Pt site, Pt(3) is bonded to four equivalent Fe(1), four equivalent Fe(2), and four equivalent Pt(3) atoms to form distorted PtFe8Pt4 cuboctahedra that share corners with four equivalent Pt(4)Fe4Cu4Pt4 cuboctahedra, corners with four equivalent Pt(2)Fe4Ni4Pt4 cuboctahedra, corners with four equivalent Pt(3)Fe8Pt4 cuboctahedra, edges with four equivalent Pt(4)Fe4Cu4Pt4 cuboctahedra, edges with four equivalent Pt(2)Fe4Ni4Pt4 cuboctahedra, edges with eight equivalent Fe(1)Fe4Pt8 cuboctahedra, edges with eight equivalent Fe(2)Fe4Pt8 cuboctahedra,  a faceface with one Pt(4)Fe4Cu4Pt4 cuboctahedra,  a faceface with one Pt(2)Fe4Ni4Pt4 cuboctahedra, faces with four equivalent Fe(1)Fe4Pt8 cuboctahedra, faces with four equivalent Fe(2)Fe4Pt8 cuboctahedra, and faces with eight equivalent Pt(3)Fe8Pt4 cuboctahedra. In the fourth Pt site, Pt(4) is bonded to four equivalent Fe(2), four equivalent Pt(4), and four equivalent Cu(1) atoms to form distorted PtFe4Cu4Pt4 cuboctahedra that share corners with four equivalent Pt(1)Cu4Ni4Pt4 cuboctahedra, corners with four equivalent Pt(4)Fe4Cu4Pt4 cuboctahedra, corners with four equivalent Pt(3)Fe8Pt4 cuboctahedra, edges with four equivalent Pt(1)Cu4Ni4Pt4 cuboctahedra, edges with four equivalent Pt(3)Fe8Pt4 cuboctahedra, edges with eight equivalent Fe(2)Fe4Pt8 cuboctahedra, edges with eight equivalent Cu(1)Cu4Pt8 cuboctahedra,  a faceface with one Pt(1)Cu4Ni4Pt4 cuboctahedra,  a faceface with one Pt(3)Fe8Pt4 cuboctahedra, faces with four equivalent Fe(2)Fe4Pt8 cuboctahedra, faces with four equivalent Cu(1)Cu4Pt8 cuboctahedra, and faces with eight equivalent Pt(4)Fe4Cu4Pt4 cuboctahedra. Ni(1) is bonded to four equivalent Pt(1), four equivalent Pt(2), and four equivalent Ni(1) atoms to form distorted NiNi4Pt8 cuboctahedra that share corners with four equivalent Fe(1)Fe4Pt8 cuboctahedra, corners with four equivalent Ni(1)Ni4Pt8 cuboctahedra, corners with four equivalent Cu(1)Cu4Pt8 cuboctahedra, edges with four equivalent Fe(1)Fe4Pt8 cuboctahedra, edges with four equivalent Cu(1)Cu4Pt8 cuboctahedra, edges with eight equivalent Pt(1)Cu4Ni4Pt4 cuboctahedra, edges with eight equivalent Pt(2)Fe4Ni4Pt4 cuboctahedra,  a faceface with one Fe(1)Fe4Pt8 cuboctahedra,  a faceface with one Cu(1)Cu4Pt8 cuboctahedra, faces with four equivalent Pt(1)Cu4Ni4Pt4 cuboctahedra, faces with four equivalent Pt(2)Fe4Ni4Pt4 cuboctahedra, and faces with eight equivalent Ni(1)Ni4Pt8 cuboctahedra. Cu(1) is bonded to four equivalent Pt(1), four equivalent Pt(4), and four equivalent Cu(1) atoms to form distorted CuCu4Pt8 cuboctahedra that share corners with four equivalent Fe(2)Fe4Pt8 cuboctahedra, corners with four equivalent Ni(1)Ni4Pt8 cuboctahedra, corners with four equivalent Cu(1)Cu4Pt8 cuboctahedra, edges with four equivalent Fe(2)Fe4Pt8 cuboctahedra, edges with four equivalent Ni(1)Ni4Pt8 cuboctahedra, edges with eight equivalent Pt(1)Cu4Ni4Pt4 cuboctahedra, edges with eight equivalent Pt(4)Fe4Cu4Pt4 cuboctahedra,  a faceface with one Fe(2)Fe4Pt8 cuboctahedra,  a faceface with one Ni(1)Ni4Pt8 cuboctahedra, faces with four equivalent Pt(1)Cu4Ni4Pt4 cuboctahedra, faces with four equivalent Pt(4)Fe4Cu4Pt4 cuboctahedra, and faces with eight equivalent Cu(1)Cu4Pt8 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Fe2CuNiPt4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.720
_cell_length_b   2.720
_cell_length_c   14.887
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   110.134
_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
  Fe  Fe0  1  0.000  0.000  0.499  1.0
  Fe  Fe1  1  0.000  0.000  0.751  1.0
  Cu  Cu2  1  0.000  0.000  0.002  1.0
  Ni  Ni3  1  0.000  0.000  0.249  1.0
  Pt  Pt4  1  0.500  0.500  0.128  1.0
  Pt  Pt5  1  0.500  0.500  0.374  1.0
  Pt  Pt6  1  0.500  0.500  0.625  1.0
  Pt  Pt7  1  0.500  0.500  0.874  1.0
[/CIF]
.