data_[Np4Mn4H16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Np  1.3600  1.7500  1.0000
  Mn  1.5500  1.4000  0.6483
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.6367]
_cell_length_b [11.7960]
_cell_length_c [4.6536]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [NpMnH4]
_chemical_formula_sum '[Np4 Mn4 H16]'
_cell_volume [199.6343]
_cell_formula_units_Z [4]
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  4  0.0000  0.3699  0.2500  1
  Mn  Mn1  4  0.0000  0.1026  0.2500  1
  H  H2  8  0.0000  0.2015  0.5084  1
  H  H3  4  0.0000  0.0000  0.0000  1
  H  H4  4  0.0000  0.4094  0.7500  1
]