data_Np3Os
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.56
_cell_length_b   6.56
_cell_length_c   4.39
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Np3Os
_chemical_formula_sum   'Np6 Os2'
_cell_volume   163.85
_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  0.86  0.98  0.1  1.0
  Np  Np1  1  0.7  0.98  0.1  1.0
  Np  Np2  1  0.28  0.72  0.1  1.0
  Np  Np3  1  0.42  0.7  0.29  1.0
  Np  Np4  1  0.58  0.7  0.29  1.0
  Np  Np5  1  0.0  0.96  0.29  1.0
  Os  Os6  1  0.28  0.89  0.29  1.0
  Os  Os7  1  0.0  0.79  0.1  1.0

data_Np3Os
_symmetry_space_group_name_H-M   P-1
_cell_length_a   4.39
_cell_length_b   6.56
_cell_length_c   6.56
_cell_angle_alpha   120.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   Np3Os
_chemical_formula_sum   'Np6 Os2'
_cell_volume   163.85
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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  2  0.1  0.28  0.36  1.0
  Np  Np1  2  0.1  0.44  0.36  1.0
  Np  Np2  2  0.1  0.86  0.62  1.0
  Os  Os3  2  0.1  0.14  0.55  1.0

Np Np Np Np Np Np Os Os
Np Np Np Np Np Np Os Os 0 1 o o o 0 5 + o o 2 6 o o o 2 3 o o o 3 4 o o o 5 7 o o o 