The material structure described by Al(PtNi4)3 is Uranium Silicide-derived structured and crystallizes in the tetragonal P4/mmm space group. There are two inequivalent Pt sites. In the first Pt site, Pt(1) is bonded to four equivalent Ni(2), four equivalent Ni(4), and four equivalent Ni(5) atoms to form PtNi12 cuboctahedra that share corners with four equivalent Pt(1)Ni12 cuboctahedra, corners with four equivalent Pt(2)Ni12 cuboctahedra, corners with four equivalent Al(1)Ni12 cuboctahedra, edges with four equivalent Ni(1)Al4Ni8 cuboctahedra, edges with four equivalent Ni(3)Ni8Pt4 cuboctahedra, edges with eight equivalent Ni(4)Al2Ni8Pt2 cuboctahedra, edges with eight equivalent Ni(5)Ni8Pt4 cuboctahedra,  a faceface with one Pt(2)Ni12 cuboctahedra,  a faceface with one Al(1)Ni12 cuboctahedra, faces with four equivalent Pt(1)Ni12 cuboctahedra, faces with four equivalent Ni(4)Al2Ni8Pt2 cuboctahedra, faces with four equivalent Ni(2)Ni8Pt4 cuboctahedra, and faces with four equivalent Ni(5)Ni8Pt4 cuboctahedra. In the second Pt site, Pt(2) is bonded to four equivalent Ni(3) and eight equivalent Ni(5) atoms to form PtNi12 cuboctahedra that share corners with four equivalent Pt(2)Ni12 cuboctahedra, corners with eight equivalent Pt(1)Ni12 cuboctahedra, edges with eight equivalent Ni(2)Ni8Pt4 cuboctahedra, edges with sixteen equivalent Ni(5)Ni8Pt4 cuboctahedra, faces with two equivalent Pt(1)Ni12 cuboctahedra, faces with four equivalent Pt(2)Ni12 cuboctahedra, faces with four equivalent Ni(3)Ni8Pt4 cuboctahedra, and faces with eight equivalent Ni(5)Ni8Pt4 cuboctahedra. There are five inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to eight equivalent Ni(4) and four equivalent Al(1) atoms to form NiAl4Ni8 cuboctahedra that share corners with four equivalent Ni(1)Al4Ni8 cuboctahedra, corners with eight equivalent Ni(2)Ni8Pt4 cuboctahedra, edges with eight equivalent Pt(1)Ni12 cuboctahedra, edges with sixteen equivalent Ni(4)Al2Ni8Pt2 cuboctahedra, faces with two equivalent Ni(2)Ni8Pt4 cuboctahedra, faces with four equivalent Ni(1)Al4Ni8 cuboctahedra, faces with four equivalent Al(1)Ni12 cuboctahedra, and faces with eight equivalent Ni(4)Al2Ni8Pt2 cuboctahedra. In the second Ni site, Ni(2) is bonded to four equivalent Pt(1), four equivalent Ni(4), and four equivalent Ni(5) atoms to form distorted NiNi8Pt4 cuboctahedra that share corners with four equivalent Ni(1)Al4Ni8 cuboctahedra, corners with four equivalent Ni(2)Ni8Pt4 cuboctahedra, corners with four equivalent Ni(3)Ni8Pt4 cuboctahedra, edges with four equivalent Pt(2)Ni12 cuboctahedra, edges with four equivalent Al(1)Ni12 cuboctahedra, edges with eight equivalent Ni(4)Al2Ni8Pt2 cuboctahedra, edges with eight equivalent Ni(5)Ni8Pt4 cuboctahedra,  a faceface with one Ni(1)Al4Ni8 cuboctahedra,  a faceface with one Ni(3)Ni8Pt4 cuboctahedra, faces with four equivalent Pt(1)Ni12 cuboctahedra, faces with four equivalent Ni(4)Al2Ni8Pt2 cuboctahedra, faces with four equivalent Ni(2)Ni8Pt4 cuboctahedra, and faces with four equivalent Ni(5)Ni8Pt4 cuboctahedra. In the third Ni site, Ni(3) is bonded to four equivalent Pt(2) and eight equivalent Ni(5) atoms to form NiNi8Pt4 cuboctahedra that share corners with four equivalent Ni(3)Ni8Pt4 cuboctahedra, corners with eight equivalent Ni(2)Ni8Pt4 cuboctahedra, edges with eight equivalent Pt(1)Ni12 cuboctahedra, edges with sixteen equivalent Ni(5)Ni8Pt4 cuboctahedra, faces with two equivalent Ni(2)Ni8Pt4 cuboctahedra, faces with four equivalent Pt(2)Ni12 cuboctahedra, faces with four equivalent Ni(3)Ni8Pt4 cuboctahedra, and faces with eight equivalent Ni(5)Ni8Pt4 cuboctahedra. In the fourth Ni site, Ni(4) is bonded to two equivalent Pt(1), two equivalent Ni(1), two equivalent Ni(2), four equivalent Ni(4), and two equivalent Al(1) atoms to form NiAl2Ni8Pt2 cuboctahedra that share corners with four equivalent Ni(5)Ni8Pt4 cuboctahedra, corners with eight equivalent Ni(4)Al2Ni8Pt2 cuboctahedra, edges with four equivalent Pt(1)Ni12 cuboctahedra, edges with four equivalent Ni(4)Al2Ni8Pt2 cuboctahedra, edges with four equivalent Ni(1)Al4Ni8 cuboctahedra, edges with four equivalent Ni(2)Ni8Pt4 cuboctahedra, edges with four equivalent Ni(5)Ni8Pt4 cuboctahedra, edges with four equivalent Al(1)Ni12 cuboctahedra,  a faceface with one Ni(5)Ni8Pt4 cuboctahedra, faces with two equivalent Pt(1)Ni12 cuboctahedra, faces with two equivalent Ni(1)Al4Ni8 cuboctahedra, faces with two equivalent Ni(2)Ni8Pt4 cuboctahedra, faces with two equivalent Al(1)Ni12 cuboctahedra, and faces with nine equivalent Ni(4)Al2Ni8Pt2 cuboctahedra. In the fifth Ni site, Ni(5) is bonded to two equivalent Pt(1), two equivalent Pt(2), two equivalent Ni(2), two equivalent Ni(3), and four equivalent Ni(5) atoms to form distorted NiNi8Pt4 cuboctahedra that share corners with four equivalent Ni(4)Al2Ni8Pt2 cuboctahedra, corners with eight equivalent Ni(5)Ni8Pt4 cuboctahedra, edges with four equivalent Pt(1)Ni12 cuboctahedra, edges with four equivalent Pt(2)Ni12 cuboctahedra, edges with four equivalent Ni(4)Al2Ni8Pt2 cuboctahedra, edges with four equivalent Ni(2)Ni8Pt4 cuboctahedra, edges with four equivalent Ni(3)Ni8Pt4 cuboctahedra, edges with four equivalent Ni(5)Ni8Pt4 cuboctahedra,  a faceface with one Ni(4)Al2Ni8Pt2 cuboctahedra, faces with two equivalent Pt(1)Ni12 cuboctahedra, faces with two equivalent Pt(2)Ni12 cuboctahedra, faces with two equivalent Ni(2)Ni8Pt4 cuboctahedra, faces with two equivalent Ni(3)Ni8Pt4 cuboctahedra, and faces with nine equivalent Ni(5)Ni8Pt4 cuboctahedra. Al(1) is bonded to four equivalent Ni(1) and eight equivalent Ni(4) atoms to form AlNi12 cuboctahedra that share corners with four equivalent Al(1)Ni12 cuboctahedra, corners with eight equivalent Pt(1)Ni12 cuboctahedra, edges with eight equivalent Ni(2)Ni8Pt4 cuboctahedra, edges with sixteen equivalent Ni(4)Al2Ni8Pt2 cuboctahedra, faces with two equivalent Pt(1)Ni12 cuboctahedra, faces with four equivalent Ni(1)Al4Ni8 cuboctahedra, faces with four equivalent Al(1)Ni12 cuboctahedra, and faces with eight equivalent Ni(4)Al2Ni8Pt2 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Al(Ni4Pt)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.622
_cell_length_b   3.622
_cell_length_c   14.509
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   190.329
_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
  Al  Al0  1  0.000  0.000  0.000  1.0
  Ni  Ni1  1  0.500  0.500  0.000  1.0
  Ni  Ni2  1  0.500  0.500  0.249  1.0
  Ni  Ni3  1  0.500  0.500  0.500  1.0
  Ni  Ni4  1  0.500  0.500  0.751  1.0
  Ni  Ni5  1  0.500  0.000  0.122  1.0
  Ni  Ni6  1  0.500  0.000  0.375  1.0
  Ni  Ni7  1  0.500  0.000  0.625  1.0
  Ni  Ni8  1  0.500  0.000  0.878  1.0
  Ni  Ni9  1  0.000  0.500  0.122  1.0
  Ni  Ni10  1  0.000  0.500  0.375  1.0
  Ni  Ni11  1  0.000  0.500  0.625  1.0
  Ni  Ni12  1  0.000  0.500  0.878  1.0
  Pt  Pt13  1  0.000  0.000  0.250  1.0
  Pt  Pt14  1  0.000  0.000  0.500  1.0
  Pt  Pt15  1  0.000  0.000  0.750  1.0
[/CIF]
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The material structure described by Al(PtNi4)3 is Uranium Silicide-derived structured and crystallizes in the tetragonal P4/mmm space group. There are two inequivalent Pt sites. In the first Pt site, Pt(1) is bonded to four equivalent Ni(2), four equivalent Ni(4), and four equivalent Ni(5) atoms to form PtNi12 cuboctahedra that share corners with four equivalent Pt(1)Ni12 cuboctahedra, corners with four equivalent Pt(2)Ni12 cuboctahedra, corners with four equivalent Al(1)Ni12 cuboctahedra, edges with four equivalent Ni(1)Al4Ni8 cuboctahedra, edges with four equivalent Ni(3)Ni8Pt4 cuboctahedra, edges with eight equivalent Ni(4)Al2Ni8Pt2 cuboctahedra, edges with eight equivalent Ni(5)Ni8Pt4 cuboctahedra,  a faceface with one Pt(2)Ni12 cuboctahedra,  a faceface with one Al(1)Ni12 cuboctahedra, faces with four equivalent Pt(1)Ni12 cuboctahedra, faces with four equivalent Ni(4)Al2Ni8Pt2 cuboctahedra, faces with four equivalent Ni(2)Ni8Pt4 cuboctahedra, and faces with four equivalent Ni(5)Ni8Pt4 cuboctahedra. In the second Pt site, Pt(2) is bonded to four equivalent Ni(3) and eight equivalent Ni(5) atoms to form PtNi12 cuboctahedra that share corners with four equivalent Pt(2)Ni12 cuboctahedra, corners with eight equivalent Pt(1)Ni12 cuboctahedra, edges with eight equivalent Ni(2)Ni8Pt4 cuboctahedra, edges with sixteen equivalent Ni(5)Ni8Pt4 cuboctahedra, faces with two equivalent Pt(1)Ni12 cuboctahedra, faces with four equivalent Pt(2)Ni12 cuboctahedra, faces with four equivalent Ni(3)Ni8Pt4 cuboctahedra, and faces with eight equivalent Ni(5)Ni8Pt4 cuboctahedra. There are five inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to eight equivalent Ni(4) and four equivalent Al(1) atoms to form NiAl4Ni8 cuboctahedra that share corners with four equivalent Ni(1)Al4Ni8 cuboctahedra, corners with eight equivalent Ni(2)Ni8Pt4 cuboctahedra, edges with eight equivalent Pt(1)Ni12 cuboctahedra, edges with sixteen equivalent Ni(4)Al2Ni8Pt2 cuboctahedra, faces with two equivalent Ni(2)Ni8Pt4 cuboctahedra, faces with four equivalent Ni(1)Al4Ni8 cuboctahedra, faces with four equivalent Al(1)Ni12 cuboctahedra, and faces with eight equivalent Ni(4)Al2Ni8Pt2 cuboctahedra. In the second Ni site, Ni(2) is bonded to four equivalent Pt(1), four equivalent Ni(4), and four equivalent Ni(5) atoms to form distorted NiNi8Pt4 cuboctahedra that share corners with four equivalent Ni(1)Al4Ni8 cuboctahedra, corners with four equivalent Ni(2)Ni8Pt4 cuboctahedra, corners with four equivalent Ni(3)Ni8Pt4 cuboctahedra, edges with four equivalent Pt(2)Ni12 cuboctahedra, edges with four equivalent Al(1)Ni12 cuboctahedra, edges with eight equivalent Ni(4)Al2Ni8Pt2 cuboctahedra, edges with eight equivalent Ni(5)Ni8Pt4 cuboctahedra,  a faceface with one Ni(1)Al4Ni8 cuboctahedra,  a faceface with one Ni(3)Ni8Pt4 cuboctahedra, faces with four equivalent Pt(1)Ni12 cuboctahedra, faces with four equivalent Ni(4)Al2Ni8Pt2 cuboctahedra, faces with four equivalent Ni(2)Ni8Pt4 cuboctahedra, and faces with four equivalent Ni(5)Ni8Pt4 cuboctahedra. In the third Ni site, Ni(3) is bonded to four equivalent Pt(2) and eight equivalent Ni(5) atoms to form NiNi8Pt4 cuboctahedra that share corners with four equivalent Ni(3)Ni8Pt4 cuboctahedra, corners with eight equivalent Ni(2)Ni8Pt4 cuboctahedra, edges with eight equivalent Pt(1)Ni12 cuboctahedra, edges with sixteen equivalent Ni(5)Ni8Pt4 cuboctahedra, faces with two equivalent Ni(2)Ni8Pt4 cuboctahedra, faces with four equivalent Pt(2)Ni12 cuboctahedra, faces with four equivalent Ni(3)Ni8Pt4 cuboctahedra, and faces with eight equivalent Ni(5)Ni8Pt4 cuboctahedra. In the fourth Ni site, Ni(4) is bonded to two equivalent Pt(1), two equivalent Ni(1), two equivalent Ni(2), four equivalent Ni(4), and two equivalent Al(1) atoms to form NiAl2Ni8Pt2 cuboctahedra that share corners with four equivalent Ni(5)Ni8Pt4 cuboctahedra, corners with eight equivalent Ni(4)Al2Ni8Pt2 cuboctahedra, edges with four equivalent Pt(1)Ni12 cuboctahedra, edges with four equivalent Ni(4)Al2Ni8Pt2 cuboctahedra, edges with four equivalent Ni(1)Al4Ni8 cuboctahedra, edges with four equivalent Ni(2)Ni8Pt4 cuboctahedra, edges with four equivalent Ni(5)Ni8Pt4 cuboctahedra, edges with four equivalent Al(1)Ni12 cuboctahedra,  a faceface with one Ni(5)Ni8Pt4 cuboctahedra, faces with two equivalent Pt(1)Ni12 cuboctahedra, faces with two equivalent Ni(1)Al4Ni8 cuboctahedra, faces with two equivalent Ni(2)Ni8Pt4 cuboctahedra, faces with two equivalent Al(1)Ni12 cuboctahedra, and faces with nine equivalent Ni(4)Al2Ni8Pt2 cuboctahedra. In the fifth Ni site, Ni(5) is bonded to two equivalent Pt(1), two equivalent Pt(2), two equivalent Ni(2), two equivalent Ni(3), and four equivalent Ni(5) atoms to form distorted NiNi8Pt4 cuboctahedra that share corners with four equivalent Ni(4)Al2Ni8Pt2 cuboctahedra, corners with eight equivalent Ni(5)Ni8Pt4 cuboctahedra, edges with four equivalent Pt(1)Ni12 cuboctahedra, edges with four equivalent Pt(2)Ni12 cuboctahedra, edges with four equivalent Ni(4)Al2Ni8Pt2 cuboctahedra, edges with four equivalent Ni(2)Ni8Pt4 cuboctahedra, edges with four equivalent Ni(3)Ni8Pt4 cuboctahedra, edges with four equivalent Ni(5)Ni8Pt4 cuboctahedra,  a faceface with one Ni(4)Al2Ni8Pt2 cuboctahedra, faces with two equivalent Pt(1)Ni12 cuboctahedra, faces with two equivalent Pt(2)Ni12 cuboctahedra, faces with two equivalent Ni(2)Ni8Pt4 cuboctahedra, faces with two equivalent Ni(3)Ni8Pt4 cuboctahedra, and faces with nine equivalent Ni(5)Ni8Pt4 cuboctahedra. Al(1) is bonded to four equivalent Ni(1) and eight equivalent Ni(4) atoms to form AlNi12 cuboctahedra that share corners with four equivalent Al(1)Ni12 cuboctahedra, corners with eight equivalent Pt(1)Ni12 cuboctahedra, edges with eight equivalent Ni(2)Ni8Pt4 cuboctahedra, edges with sixteen equivalent Ni(4)Al2Ni8Pt2 cuboctahedra, faces with two equivalent Pt(1)Ni12 cuboctahedra, faces with four equivalent Ni(1)Al4Ni8 cuboctahedra, faces with four equivalent Al(1)Ni12 cuboctahedra, and faces with eight equivalent Ni(4)Al2Ni8Pt2 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Al(Ni4Pt)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.622
_cell_length_b   3.622
_cell_length_c   14.509
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   190.329
_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
  Al  Al0  1  0.000  0.000  0.000  1.0
  Ni  Ni1  1  0.500  0.500  0.000  1.0
  Ni  Ni2  1  0.500  0.500  0.249  1.0
  Ni  Ni3  1  0.500  0.500  0.500  1.0
  Ni  Ni4  1  0.500  0.500  0.751  1.0
  Ni  Ni5  1  0.500  0.000  0.122  1.0
  Ni  Ni6  1  0.500  0.000  0.375  1.0
  Ni  Ni7  1  0.500  0.000  0.625  1.0
  Ni  Ni8  1  0.500  0.000  0.878  1.0
  Ni  Ni9  1  0.000  0.500  0.122  1.0
  Ni  Ni10  1  0.000  0.500  0.375  1.0
  Ni  Ni11  1  0.000  0.500  0.625  1.0
  Ni  Ni12  1  0.000  0.500  0.878  1.0
  Pt  Pt13  1  0.000  0.000  0.250  1.0
  Pt  Pt14  1  0.000  0.000  0.500  1.0
  Pt  Pt15  1  0.000  0.000  0.750  1.0
[/CIF]
.