The compound described by NiP crystallizes in the orthorhombic Pnma space group. There are three inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 5-coordinate geometry to one P(1), two equivalent P(2), and two equivalent P(3) atoms. In the second Ni site, Ni(2) is bonded in a 6-coordinate geometry to two equivalent P(3) and four equivalent P(2) atoms. In the third Ni site, Ni(3) is bonded in a 5-coordinate geometry to one P(2) and four equivalent P(1) atoms. There are three inequivalent P sites. In the first P site, P(3) is bonded in a 6-coordinate geometry to two equivalent Ni(2) and four equivalent Ni(1) atoms. In the second P site, P(1) is bonded in a 5-coordinate geometry to one Ni(1) and four equivalent Ni(3) atoms. In the third P site, P(2) is bonded in a 5-coordinate geometry to one Ni(3), two equivalent Ni(1), and two equivalent Ni(2) atoms. is represented by the CIF file [CIF]
data_NiP
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.896
_cell_length_b   5.918
_cell_length_c   16.989
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   492.176
_cell_formula_units_Z   20
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
  Ni  Ni0  1  0.528  0.195  0.337  1.0
  Ni  Ni1  1  0.028  0.305  0.163  1.0
  Ni  Ni2  1  0.472  0.805  0.837  1.0
  Ni  Ni3  1  0.972  0.695  0.663  1.0
  Ni  Ni4  1  0.472  0.805  0.663  1.0
  Ni  Ni5  1  0.972  0.695  0.837  1.0
  Ni  Ni6  1  0.528  0.195  0.163  1.0
  Ni  Ni7  1  0.028  0.305  0.337  1.0
  Ni  Ni8  1  0.999  0.301  0.750  1.0
  Ni  Ni9  1  0.499  0.199  0.750  1.0
  Ni  Ni10  1  0.001  0.699  0.250  1.0
  Ni  Ni11  1  0.501  0.801  0.250  1.0
  Ni  Ni12  1  0.984  0.193  0.959  1.0
  Ni  Ni13  1  0.484  0.307  0.541  1.0
  Ni  Ni14  1  0.017  0.807  0.459  1.0
  Ni  Ni15  1  0.517  0.693  0.041  1.0
  Ni  Ni16  1  0.017  0.807  0.041  1.0
  Ni  Ni17  1  0.517  0.693  0.459  1.0
  Ni  Ni18  1  0.984  0.193  0.541  1.0
  Ni  Ni19  1  0.484  0.307  0.959  1.0
  P  P20  1  0.827  0.557  0.954  1.0
  P  P21  1  0.327  0.943  0.546  1.0
  P  P22  1  0.173  0.443  0.454  1.0
  P  P23  1  0.673  0.057  0.046  1.0
  P  P24  1  0.173  0.443  0.046  1.0
  P  P25  1  0.673  0.057  0.454  1.0
  P  P26  1  0.827  0.557  0.546  1.0
  P  P27  1  0.327  0.943  0.954  1.0
  P  P28  1  0.803  0.064  0.846  1.0
  P  P29  1  0.303  0.436  0.654  1.0
  P  P30  1  0.197  0.936  0.346  1.0
  P  P31  1  0.697  0.564  0.154  1.0
  P  P32  1  0.197  0.936  0.154  1.0
  P  P33  1  0.697  0.564  0.346  1.0
  P  P34  1  0.803  0.064  0.654  1.0
  P  P35  1  0.303  0.436  0.846  1.0
  P  P36  1  0.839  0.063  0.250  1.0
  P  P37  1  0.339  0.437  0.250  1.0
  P  P38  1  0.161  0.937  0.750  1.0
  P  P39  1  0.661  0.563  0.750  1.0
[/CIF]
.
The compound described by NiP crystallizes in the orthorhombic Pnma space group. There are three inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 5-coordinate geometry to one P(1), two equivalent P(2), and two equivalent P(3) atoms. In the second Ni site, Ni(2) is bonded in a 6-coordinate geometry to two equivalent P(3) and four equivalent P(2) atoms. In the third Ni site, Ni(3) is bonded in a 5-coordinate geometry to one P(2) and four equivalent P(1) atoms. There are three inequivalent P sites. In the first P site, P(3) is bonded in a 6-coordinate geometry to two equivalent Ni(2) and four equivalent Ni(1) atoms. In the second P site, P(1) is bonded in a 5-coordinate geometry to one Ni(1) and four equivalent Ni(3) atoms. In the third P site, P(2) is bonded in a 5-coordinate geometry to one Ni(3), two equivalent Ni(1), and two equivalent Ni(2) atoms. is represented by the CIF file [CIF]
data_NiP
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.896
_cell_length_b   5.918
_cell_length_c   16.989
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   492.176
_cell_formula_units_Z   20
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
  Ni  Ni0  1  0.528  0.195  0.337  1.0
  Ni  Ni1  1  0.028  0.305  0.163  1.0
  Ni  Ni2  1  0.472  0.805  0.837  1.0
  Ni  Ni3  1  0.972  0.695  0.663  1.0
  Ni  Ni4  1  0.472  0.805  0.663  1.0
  Ni  Ni5  1  0.972  0.695  0.837  1.0
  Ni  Ni6  1  0.528  0.195  0.163  1.0
  Ni  Ni7  1  0.028  0.305  0.337  1.0
  Ni  Ni8  1  0.999  0.301  0.750  1.0
  Ni  Ni9  1  0.499  0.199  0.750  1.0
  Ni  Ni10  1  0.001  0.699  0.250  1.0
  Ni  Ni11  1  0.501  0.801  0.250  1.0
  Ni  Ni12  1  0.984  0.193  0.959  1.0
  Ni  Ni13  1  0.484  0.307  0.541  1.0
  Ni  Ni14  1  0.017  0.807  0.459  1.0
  Ni  Ni15  1  0.517  0.693  0.041  1.0
  Ni  Ni16  1  0.017  0.807  0.041  1.0
  Ni  Ni17  1  0.517  0.693  0.459  1.0
  Ni  Ni18  1  0.984  0.193  0.541  1.0
  Ni  Ni19  1  0.484  0.307  0.959  1.0
  P  P20  1  0.827  0.557  0.954  1.0
  P  P21  1  0.327  0.943  0.546  1.0
  P  P22  1  0.173  0.443  0.454  1.0
  P  P23  1  0.673  0.057  0.046  1.0
  P  P24  1  0.173  0.443  0.046  1.0
  P  P25  1  0.673  0.057  0.454  1.0
  P  P26  1  0.827  0.557  0.546  1.0
  P  P27  1  0.327  0.943  0.954  1.0
  P  P28  1  0.803  0.064  0.846  1.0
  P  P29  1  0.303  0.436  0.654  1.0
  P  P30  1  0.197  0.936  0.346  1.0
  P  P31  1  0.697  0.564  0.154  1.0
  P  P32  1  0.197  0.936  0.154  1.0
  P  P33  1  0.697  0.564  0.346  1.0
  P  P34  1  0.803  0.064  0.654  1.0
  P  P35  1  0.303  0.436  0.846  1.0
  P  P36  1  0.839  0.063  0.250  1.0
  P  P37  1  0.339  0.437  0.250  1.0
  P  P38  1  0.161  0.937  0.750  1.0
  P  P39  1  0.661  0.563  0.750  1.0
[/CIF]
.