The crystal structure described by FePtSb crystallizes in the triclinic P1 space group. There are four inequivalent Fe sites. In the first Fe site, Fe(1) is bonded in a distorted water-like geometry to one Pt(1), one Pt(2), and one Sb(3) atom. In the second Fe site, Fe(2) is bonded in a 3-coordinate geometry to one Pt(1), one Pt(3), and one Pt(4) atom. In the third Fe site, Fe(3) is bonded in a 2-coordinate geometry to one Pt(1), one Pt(2), and one Sb(4) atom. In the fourth Fe site, Fe(4) is bonded in a 3-coordinate geometry to one Pt(2), one Pt(3), and one Pt(4) atom. There are four inequivalent Pt sites. In the first Pt site, Pt(1) is bonded in a 5-coordinate geometry to one Fe(1), one Fe(2), one Fe(3), one Sb(2), and one Sb(4) atom. In the second Pt site, Pt(2) is bonded in a 5-coordinate geometry to one Fe(1), one Fe(3), one Fe(4), one Sb(1), and one Sb(3) atom. In the third Pt site, Pt(3) is bonded in a 4-coordinate geometry to one Fe(2), one Fe(4), one Sb(1), and one Sb(2) atom. In the fourth Pt site, Pt(4) is bonded in a 4-coordinate geometry to one Fe(2), one Fe(4), one Sb(1), and one Sb(2) atom. There are four inequivalent Sb sites. In the first Sb site, Sb(1) is bonded in a 3-coordinate geometry to one Pt(2), one Pt(3), and one Pt(4) atom. In the second Sb site, Sb(2) is bonded in a 3-coordinate geometry to one Pt(1), one Pt(3), and one Pt(4) atom. In the third Sb site, Sb(3) is bonded in a distorted water-like geometry to one Fe(1) and one Pt(2) atom. In the fourth Sb site, Sb(4) is bonded in a distorted water-like geometry to one Fe(3) and one Pt(1) atom. is represented by the CIF card [CIF]
data_FeSbPt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.046
_cell_length_b   7.136
_cell_length_c   7.136
_cell_angle_alpha   120.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   222.496
_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
  Fe  Fe0  1  0.384  0.616  0.000  1.0
  Fe  Fe1  1  0.621  0.125  0.248  1.0
  Fe  Fe2  1  0.875  0.877  0.497  1.0
  Fe  Fe3  1  0.123  0.379  0.254  1.0
  Sb  Sb4  1  0.876  0.625  0.751  1.0
  Sb  Sb5  1  0.375  0.873  0.749  1.0
  Sb  Sb6  1  0.613  0.387  0.000  1.0
  Sb  Sb7  1  0.127  0.124  0.500  1.0
  Pt  Pt8  1  0.521  0.972  0.449  1.0
  Pt  Pt9  1  0.028  0.523  0.044  1.0
  Pt  Pt10  1  0.979  0.021  0.000  1.0
  Pt  Pt11  1  0.477  0.479  0.507  1.0
[/CIF]
.
The crystal structure described by FePtSb crystallizes in the triclinic P1 space group. There are four inequivalent Fe sites. In the first Fe site, Fe(1) is bonded in a distorted water-like geometry to one Pt(1), one Pt(2), and one Sb(3) atom. In the second Fe site, Fe(2) is bonded in a 3-coordinate geometry to one Pt(1), one Pt(3), and one Pt(4) atom. In the third Fe site, Fe(3) is bonded in a 2-coordinate geometry to one Pt(1), one Pt(2), and one Sb(4) atom. In the fourth Fe site, Fe(4) is bonded in a 3-coordinate geometry to one Pt(2), one Pt(3), and one Pt(4) atom. There are four inequivalent Pt sites. In the first Pt site, Pt(1) is bonded in a 5-coordinate geometry to one Fe(1), one Fe(2), one Fe(3), one Sb(2), and one Sb(4) atom. In the second Pt site, Pt(2) is bonded in a 5-coordinate geometry to one Fe(1), one Fe(3), one Fe(4), one Sb(1), and one Sb(3) atom. In the third Pt site, Pt(3) is bonded in a 4-coordinate geometry to one Fe(2), one Fe(4), one Sb(1), and one Sb(2) atom. In the fourth Pt site, Pt(4) is bonded in a 4-coordinate geometry to one Fe(2), one Fe(4), one Sb(1), and one Sb(2) atom. There are four inequivalent Sb sites. In the first Sb site, Sb(1) is bonded in a 3-coordinate geometry to one Pt(2), one Pt(3), and one Pt(4) atom. In the second Sb site, Sb(2) is bonded in a 3-coordinate geometry to one Pt(1), one Pt(3), and one Pt(4) atom. In the third Sb site, Sb(3) is bonded in a distorted water-like geometry to one Fe(1) and one Pt(2) atom. In the fourth Sb site, Sb(4) is bonded in a distorted water-like geometry to one Fe(3) and one Pt(1) atom. is represented by the CIF card [CIF]
data_FeSbPt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.046
_cell_length_b   7.136
_cell_length_c   7.136
_cell_angle_alpha   120.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   222.496
_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
  Fe  Fe0  1  0.384  0.616  0.000  1.0
  Fe  Fe1  1  0.621  0.125  0.248  1.0
  Fe  Fe2  1  0.875  0.877  0.497  1.0
  Fe  Fe3  1  0.123  0.379  0.254  1.0
  Sb  Sb4  1  0.876  0.625  0.751  1.0
  Sb  Sb5  1  0.375  0.873  0.749  1.0
  Sb  Sb6  1  0.613  0.387  0.000  1.0
  Sb  Sb7  1  0.127  0.124  0.500  1.0
  Pt  Pt8  1  0.521  0.972  0.449  1.0
  Pt  Pt9  1  0.028  0.523  0.044  1.0
  Pt  Pt10  1  0.979  0.021  0.000  1.0
  Pt  Pt11  1  0.477  0.479  0.507  1.0
[/CIF]
.