data_Ni8P
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.51
_cell_length_b   5.51
_cell_length_c   5.51
_cell_angle_alpha   95.86
_cell_angle_beta   95.86
_cell_angle_gamma   142.74
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ni8P
_chemical_formula_sum   'Ni8 P1'
_cell_volume   95.75
_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
  Ni  Ni0  1  0.21  0.79  0.76  1.0
  Ni  Ni1  1  0.79  0.21  0.76  1.0
  Ni  Ni2  1  0.44  0.0  0.0  1.0
  Ni  Ni3  1  0.21  0.21  0.76  1.0
  Ni  Ni4  1  0.0  0.44  0.0  1.0
  Ni  Ni5  1  0.48  0.48  0.0  1.0
  Ni  Ni6  1  0.94  0.0  0.0  1.0
  Ni  Ni7  1  0.0  0.94  0.0  1.0
  P  P8  1  0.0  0.0  0.0  1.0

data_Ni8P
_symmetry_space_group_name_H-M   Cm
_cell_length_a   3.52
_cell_length_b   10.43
_cell_length_c   5.51
_cell_angle_alpha   90.0
_cell_angle_beta   108.63
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Ni8P
_chemical_formula_sum   'Ni16 P2'
_cell_volume   191.51
_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
  Ni  Ni0  4  0.0  0.21  0.24  1.0
  Ni  Ni1  4  0.03  0.97  -0.0  1.0
  Ni  Ni2  4  0.28  0.28  -0.0  1.0
  Ni  Ni3  2  0.02  0.5  0.0  1.0
  Ni  Ni4  2  0.29  0.5  0.24  1.0
  P  P5  2  0.0  0.0  0.0  1.0

Ni Ni Ni Ni Ni Ni Ni Ni P
Ni Ni Ni Ni Ni Ni Ni Ni P 0 2 o + + 1 4 + o + 3 5 o o + 5 8 o o o 5 8 + + o 5 6 - o o 5 6 o + o 5 7 o - o 5 7 + o o 6 8 + o o 7 8 o + o 