data_YNb2Pt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.03
_cell_length_b   10.03
_cell_length_c   10.03
_cell_angle_alpha   17.47
_cell_angle_beta   17.47
_cell_angle_gamma   17.47
_symmetry_Int_Tables_number   1
_chemical_formula_structural   YNb2Pt
_chemical_formula_sum   'Y1 Nb2 Pt1'
_cell_volume   79.44
_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
  Y  Y3  1  0.0  0.0  0.0  1.0
  Nb  Nb0  1  0.0  0.0  0.15  1.0
  Nb  Nb1  1  0.0  0.0  0.48  1.0
  Pt  Pt2  1  0.0  0.0  0.82  1.0

data_YNb2Pt
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.28
_cell_length_b   3.05
_cell_length_c   10.03
_cell_angle_alpha   90.0
_cell_angle_beta   100.1
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   YNb2Pt
_chemical_formula_sum   'Y2 Nb4 Pt2'
_cell_volume   158.89
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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
  Y  Y0  2  0.0  0.0  0.0  1.0
  Nb  Nb1  2  0.0  0.0  0.52  1.0
  Nb  Nb2  2  0.0  0.0  0.85  1.0
  Pt  Pt3  2  0.0  0.0  0.18  1.0

Y Nb Nb Pt
YNb2Pt crystallizes in the monoclinic Cm space group. Y(1) is bonded in a linear geometry to one Nb(1) and one Pt(1) atom. The Y(1)-Nb(1) bond length is 1.54 Å. The Y(1)-Pt(1) bond length is 1.82 Å. There are two inequivalent Nb sites. In the first Nb site, Nb(1) is bonded in a single-bond geometry to one Y(1) and one Nb(2) atom. The Nb(1)-Nb(2) bond length is 3.32 Å. In the second Nb site, Nb(2) is bonded to one Nb(1), six equivalent Nb(2), and one Pt(1) atom to form a mixture of distorted edge and corner-sharing NbNb7Pt hexagonal bipyramids. All Nb(2)-Nb(2) bond lengths are 3.05 Å. The Nb(2)-Pt(1) bond length is 3.36 Å. Pt(1) is bonded in a single-bond geometry to one Y(1) and one Nb(2) atom.