[CIF]
data_NpMn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.75559619
_cell_length_b   2.75559619
_cell_length_c   3.87271100
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NpMn
_chemical_formula_sum   'Np1 Mn1'
_cell_volume   29.40669650
_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
  Mn  Mn0  1  0.00000000  0.00000000  0.00000000  1
  Np  Np1  1  1.37779809  1.37779809  1.93635550  1
[/CIF]
