data_[Li4Np2Be2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Np  1.3600  1.7500  1.0000
  Be  1.5700  1.0500  0.5900
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [9.7123]
_cell_length_b [5.1378]
_cell_length_c [4.9119]
_cell_angle_alpha [90.0000]
_cell_angle_beta [113.6980]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Li2NpBeO6]
_chemical_formula_sum '[Li4 Np2 Be2 O12]'
_cell_volume [224.4331]
_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
[
  Li  Li0  4  0.2417  0.5000  0.6435  1
  Np  Np1  2  0.0000  0.5000  0.0000  1
  Be  Be2  2  0.0000  0.0000  0.5000  1
  O  O3  8  0.0781  0.2245  0.3487  1
  O  O4  4  0.1890  0.5000  0.9896  1
]