data_[Np2As2H2Ru2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Np  1.3600  1.7500  1.0000
  As  2.1800  1.1500  0.6600
  H  2.2000  0.2500  0.0000
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [P4/nmm]
_cell_length_a [4.0972]
_cell_length_b [4.0972]
_cell_length_c [7.0357]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [129]
_chemical_formula_structural [NpAsHRu]
_chemical_formula_sum '[Np2 As2 H2 Ru2]'
_cell_volume [118.1084]
_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  2  0.0000  0.5000  0.3489  1
  As  As1  2  0.0000  0.5000  0.8019  1
  Ru  Ru2  2  0.0000  0.0000  0.0000  1
  H  H3  2  0.0000  0.0000  0.5000  1
]