The structure described by NpP3 crystallizes in the hexagonal P6_3/mmc space group. Np(1) is bonded in a 12-coordinate geometry to twelve equivalent P(1) atoms. P(1) is bonded in a 6-coordinate geometry to four equivalent Np(1) and two equivalent P(1) atoms. is represented by the CIF card [CIF]
data_NpP3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.526
_cell_length_b   5.526
_cell_length_c   5.468
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   144.601
_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
  Np  Np0  1  0.667  0.333  0.250  1.0
  Np  Np1  1  0.333  0.667  0.750  1.0
  P  P2  1  0.807  0.193  0.750  1.0
  P  P3  1  0.193  0.387  0.250  1.0
  P  P4  1  0.613  0.807  0.250  1.0
  P  P5  1  0.193  0.807  0.250  1.0
  P  P6  1  0.807  0.613  0.750  1.0
  P  P7  1  0.387  0.193  0.750  1.0
[/CIF]
.
The structure described by NpP3 crystallizes in the hexagonal P6_3/mmc space group. Np(1) is bonded in a 12-coordinate geometry to twelve equivalent P(1) atoms. P(1) is bonded in a 6-coordinate geometry to four equivalent Np(1) and two equivalent P(1) atoms. is represented by the CIF card [CIF]
data_NpP3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.526
_cell_length_b   5.526
_cell_length_c   5.468
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   144.601
_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
  Np  Np0  1  0.667  0.333  0.250  1.0
  Np  Np1  1  0.333  0.667  0.750  1.0
  P  P2  1  0.807  0.193  0.750  1.0
  P  P3  1  0.193  0.387  0.250  1.0
  P  P4  1  0.613  0.807  0.250  1.0
  P  P5  1  0.193  0.807  0.250  1.0
  P  P6  1  0.807  0.613  0.750  1.0
  P  P7  1  0.387  0.193  0.750  1.0
[/CIF]
.