data_B2W
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.09
_cell_length_b   3.09
_cell_length_c   3.26
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   B2W
_chemical_formula_sum   'B2 W1'
_cell_volume   31.11
_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
  B  B0  1  0.0  0.55  0.63  1.0
  B  B1  1  0.55  0.0  0.63  1.0
  W  W2  1  0.0  0.0  0.0  1.0

data_B2W
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.37
_cell_length_b   4.37
_cell_length_c   3.26
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   B2W
_chemical_formula_sum   'B4 W2'
_cell_volume   62.22
_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
  B  B0  4  0.27  0.27  0.63  1.0
  W  W1  2  0.0  0.0  0.0  1.0

B B W
B B W 0 1 - o o 0 1 - + o 0 1 o o o 0 1 o + o 0 2 o o + 0 2 o + + 1 2 o o + 1 2 + o + 
WB2 crystallizes in the monoclinic Cm space group. W(1) is bonded in a 8-coordinate geometry to eight equivalent B(1) atoms. There are a spread of W(1)-B(1) bond distances ranging from 1.85-2.65 Å. B(1) is bonded in a 2-coordinate geometry to four equivalent W(1) atoms.