data_Y2W
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.74
_cell_length_b   7.74
_cell_length_c   3.16
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Y2W
_chemical_formula_sum   'Y4 W2'
_cell_volume   165.13
_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
  Y  Y2  1  0.27  0.54  0.0  1.0
  Y  Y3  1  0.1  0.41  0.58  1.0
  Y  Y4  1  0.64  0.33  0.58  1.0
  Y  Y5  1  0.47  0.2  0.0  1.0
  W  W0  1  0.0  0.0  0.0  1.0
  W  W1  1  0.37  0.87  0.58  1.0

data_Y2W
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.16
_cell_length_b   6.74
_cell_length_c   7.74
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Y2W
_chemical_formula_sum   'Y4 W2'
_cell_volume   165.13
_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
  Y  Y0  1  0.0  0.27  0.54  1.0
  Y  Y1  1  0.0  0.47  0.2  1.0
  Y  Y2  1  0.58  0.1  0.41  1.0
  Y  Y3  1  0.58  0.64  0.33  1.0
  W  W4  1  0.0  0.0  0.0  1.0
  W  W5  1  0.58  0.37  0.87  1.0

Y Y Y Y W W
Y2W crystallizes in the triclinic P1 space group. There are four inequivalent Y sites. In the first Y site, Y(1) is bonded in a 4-coordinate geometry to two equivalent Y(2), one W(1), and two equivalent W(2) atoms. There is one shorter (2.04 Å) and one longer (2.41 Å) Y(1)-Y(2) bond length. The Y(1)-W(1) bond length is 4.01 Å. There is one shorter (2.95 Å) and one longer (3.21 Å) Y(1)-W(2) bond length. In the second Y site, Y(2) is bonded in a 5-coordinate geometry to one Y(3), two equivalent Y(1), and two equivalent W(1) atoms. The Y(2)-Y(3) bond length is 3.13 Å. There is one shorter (3.49 Å) and one longer (3.72 Å) Y(2)-W(1) bond length. In the third Y site, Y(3) is bonded in a 2-coordinate geometry to one Y(2), two equivalent Y(4), and two equivalent W(1) atoms. There is one shorter (2.04 Å) and one longer (2.41 Å) Y(3)-Y(4) bond length. There is one shorter (3.74 Å) and one longer (3.96 Å) Y(3)-W(1) bond length. In the fourth Y site, Y(4) is bonded in a 4-coordinate geometry to two equivalent Y(3), two equivalent W(1), and two equivalent W(2) atoms. There is one shorter (3.52 Å) and one longer (3.89 Å) Y(4)-W(1) bond length. There is one shorter (2.95 Å) and one longer (3.21 Å) Y(4)-W(2) bond length. There are two inequivalent W sites. In the first W site, W(1) is bonded in a 11-coordinate geometry to one Y(1), two equivalent Y(2), two equivalent Y(3), two equivalent Y(4), two equivalent W(1), and two equivalent W(2) atoms. Both W(1)-W(1) bond lengths are 3.16 Å. There is one shorter (3.01 Å) and one longer (3.27 Å) W(1)-W(2) bond length. In the second W site, W(2) is bonded in a 4-coordinate geometry to two equivalent Y(1), two equivalent Y(4), and two equivalent W(1) atoms.