The structure described by PaB3 crystallizes in the hexagonal P6_3/mmc space group. Pa(1) is bonded in a 12-coordinate geometry to twelve equivalent B(1) atoms. B(1) is bonded in a 10-coordinate geometry to four equivalent Pa(1) and six equivalent B(1) atoms. is represented by the CIF file [CIF]
data_PaB3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.434
_cell_length_b   5.434
_cell_length_c   3.455
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.001
_symmetry_Int_Tables_number   1
_cell_volume   88.365
_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
  Pa  Pa0  1  0.667  0.333  0.250  1.0
  Pa  Pa1  1  0.333  0.667  0.750  1.0
  B  B2  1  0.888  0.112  0.750  1.0
  B  B3  1  0.225  0.112  0.750  1.0
  B  B4  1  0.888  0.775  0.750  1.0
  B  B5  1  0.112  0.888  0.250  1.0
  B  B6  1  0.775  0.888  0.250  1.0
  B  B7  1  0.112  0.225  0.250  1.0
[/CIF]
.
The structure described by PaB3 crystallizes in the hexagonal P6_3/mmc space group. Pa(1) is bonded in a 12-coordinate geometry to twelve equivalent B(1) atoms. B(1) is bonded in a 10-coordinate geometry to four equivalent Pa(1) and six equivalent B(1) atoms. is represented by the CIF file [CIF]
data_PaB3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.434
_cell_length_b   5.434
_cell_length_c   3.455
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.001
_symmetry_Int_Tables_number   1
_cell_volume   88.365
_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
  Pa  Pa0  1  0.667  0.333  0.250  1.0
  Pa  Pa1  1  0.333  0.667  0.750  1.0
  B  B2  1  0.888  0.112  0.750  1.0
  B  B3  1  0.225  0.112  0.750  1.0
  B  B4  1  0.888  0.775  0.750  1.0
  B  B5  1  0.112  0.888  0.250  1.0
  B  B6  1  0.775  0.888  0.250  1.0
  B  B7  1  0.112  0.225  0.250  1.0
[/CIF]
.