The structure described by ZrPtAl crystallizes in the hexagonal P-62c space group. Zr(1) is bonded in a 11-coordinate geometry to one Pt(2), four equivalent Pt(1), and six equivalent Al(1) atoms. There are two inequivalent Pt sites. In the first Pt site, Pt(1) is bonded in a 9-coordinate geometry to six equivalent Zr(1) and three equivalent Al(1) atoms. In the second Pt site, Pt(2) is bonded in a 9-coordinate geometry to three equivalent Zr(1) and six equivalent Al(1) atoms. Al(1) is bonded in a 4-coordinate geometry to six equivalent Zr(1), two equivalent Pt(1), and two equivalent Pt(2) atoms. is represented by the CIF file [CIF]
data_ZrAlPt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.040
_cell_length_b   7.040
_cell_length_c   7.435
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   319.097
_cell_formula_units_Z   6
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
  Zr  Zr0  1  0.016  0.602  0.750  1.0
  Zr  Zr1  1  0.984  0.586  0.250  1.0
  Zr  Zr2  1  0.602  0.016  0.250  1.0
  Zr  Zr3  1  0.586  0.984  0.750  1.0
  Zr  Zr4  1  0.414  0.398  0.250  1.0
  Zr  Zr5  1  0.398  0.414  0.750  1.0
  Al  Al6  1  0.000  0.254  0.500  1.0
  Al  Al7  1  0.746  0.746  1.000  1.0
  Al  Al8  1  0.000  0.254  1.000  1.0
  Al  Al9  1  0.254  1.000  0.500  1.0
  Al  Al10  1  0.254  1.000  1.000  1.0
  Al  Al11  1  0.746  0.746  0.500  1.0
  Pt  Pt12  1  0.333  0.667  0.478  1.0
  Pt  Pt13  1  0.667  0.333  0.522  1.0
  Pt  Pt14  1  0.667  0.333  0.978  1.0
  Pt  Pt15  1  1.000  1.000  0.250  1.0
  Pt  Pt16  1  1.000  1.000  0.750  1.0
  Pt  Pt17  1  0.333  0.667  0.022  1.0
[/CIF]
.
The structure described by ZrPtAl crystallizes in the hexagonal P-62c space group. Zr(1) is bonded in a 11-coordinate geometry to one Pt(2), four equivalent Pt(1), and six equivalent Al(1) atoms. There are two inequivalent Pt sites. In the first Pt site, Pt(1) is bonded in a 9-coordinate geometry to six equivalent Zr(1) and three equivalent Al(1) atoms. In the second Pt site, Pt(2) is bonded in a 9-coordinate geometry to three equivalent Zr(1) and six equivalent Al(1) atoms. Al(1) is bonded in a 4-coordinate geometry to six equivalent Zr(1), two equivalent Pt(1), and two equivalent Pt(2) atoms. is represented by the CIF file [CIF]
data_ZrAlPt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.040
_cell_length_b   7.040
_cell_length_c   7.435
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   319.097
_cell_formula_units_Z   6
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
  Zr  Zr0  1  0.016  0.602  0.750  1.0
  Zr  Zr1  1  0.984  0.586  0.250  1.0
  Zr  Zr2  1  0.602  0.016  0.250  1.0
  Zr  Zr3  1  0.586  0.984  0.750  1.0
  Zr  Zr4  1  0.414  0.398  0.250  1.0
  Zr  Zr5  1  0.398  0.414  0.750  1.0
  Al  Al6  1  0.000  0.254  0.500  1.0
  Al  Al7  1  0.746  0.746  1.000  1.0
  Al  Al8  1  0.000  0.254  1.000  1.0
  Al  Al9  1  0.254  1.000  0.500  1.0
  Al  Al10  1  0.254  1.000  1.000  1.0
  Al  Al11  1  0.746  0.746  0.500  1.0
  Pt  Pt12  1  0.333  0.667  0.478  1.0
  Pt  Pt13  1  0.667  0.333  0.522  1.0
  Pt  Pt14  1  0.667  0.333  0.978  1.0
  Pt  Pt15  1  1.000  1.000  0.250  1.0
  Pt  Pt16  1  1.000  1.000  0.750  1.0
  Pt  Pt17  1  0.333  0.667  0.022  1.0
[/CIF]
.