data_[Np2Be4Co1Si3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Np  1.3600  1.7500  1.0000
  Be  1.5700  1.0500  0.5900
  Co  1.8800  1.3500  0.7683
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [P-4m2]
_cell_length_a [3.8045]
_cell_length_b [3.8045]
_cell_length_c [9.4826]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [115]
_chemical_formula_structural [Np2Be4CoSi3]
_chemical_formula_sum '[Np2 Be4 Co1 Si3]'
_cell_volume [137.2524]
_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
[
  Np  Np0  2  0.0000  0.5000  0.7438  1
  Be  Be1  2  0.0000  0.5000  0.3741  1
  Be  Be2  1  0.0000  0.0000  0.0000  1
  Be  Be3  1  0.5000  0.5000  0.0000  1
  Co  Co4  1  0.5000  0.5000  0.5000  1
  Si  Si5  2  0.0000  0.5000  0.1361  1
  Si  Si6  1  0.0000  0.0000  0.5000  1
]