data_PbW2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.41
_cell_length_b   5.41
_cell_length_c   5.41
_cell_angle_alpha   105.31
_cell_angle_beta   105.31
_cell_angle_gamma   118.15
_symmetry_Int_Tables_number   1
_chemical_formula_structural   PbW2
_chemical_formula_sum   'Pb2 W4'
_cell_volume   120.07
_cell_formula_units_Z   2
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
  Pb  Pb0  1  0.0  0.0  0.17  1.0
  Pb  Pb1  1  0.0  0.0  0.39  1.0
  W  W2  1  0.84  0.44  0.0  1.0
  W  W3  1  0.44  0.84  0.78  1.0
  W  W4  1  0.13  0.84  0.0  1.0
  W  W5  1  0.16  0.44  0.78  1.0

data_PbW2
_symmetry_space_group_name_H-M   P1
_cell_length_a   5.41
_cell_length_b   5.41
_cell_length_c   5.41
_cell_angle_alpha   105.31
_cell_angle_beta   105.31
_cell_angle_gamma   118.15
_symmetry_Int_Tables_number   1
_chemical_formula_structural   PbW2
_chemical_formula_sum   'Pb2 W4'
_cell_volume   120.07
_cell_formula_units_Z   2
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
  Pb  Pb0  1  0.17  0.17  0.17  1.0
  Pb  Pb1  1  0.39  0.39  0.39  1.0
  W  W2  1  0.16  0.56  0.0  1.0
  W  W3  1  0.34  0.94  0.78  1.0
  W  W4  1  0.62  0.34  0.78  1.0
  W  W5  1  0.87  0.16  0.0  1.0

Pb Pb W W W W
W2Pb crystallizes in the triclinic P1 space group. There are four inequivalent W sites. In the first W site, W(1) is bonded in a 3-coordinate geometry to one W(2), one W(3), and one W(4) atom. The W(1)-W(2) bond length is 2.58 Å. The W(1)-W(3) bond length is 1.97 Å. The W(1)-W(4) bond length is 2.33 Å. In the second W site, W(2) is bonded in a 4-coordinate geometry to one W(1), one W(3), one W(4), and one Pb(1) atom. The W(2)-W(3) bond length is 2.33 Å. The W(2)-W(4) bond length is 1.97 Å. The W(2)-Pb(1) bond length is 2.74 Å. In the third W site, W(3) is bonded in a 1-coordinate geometry to one W(1), one W(2), one W(4), and one Pb(1) atom. The W(3)-W(4) bond length is 2.28 Å. The W(3)-Pb(1) bond length is 1.60 Å. In the fourth W site, W(4) is bonded in a 4-coordinate geometry to one W(1), one W(2), one W(3), and one Pb(2) atom. The W(4)-Pb(2) bond length is 2.32 Å. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a distorted bent 120 degrees geometry to one W(2), one W(3), and one Pb(2) atom. The Pb(1)-Pb(2) bond length is 1.18 Å. In the second Pb site, Pb(2) is bonded in a distorted bent 120 degrees geometry to one W(4) and one Pb(1) atom.