data_[Rb4Na4Np4Te12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Na  0.9300  1.8000  1.1600
  Np  1.3600  1.7500  1.0000
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.6522]
_cell_length_b [15.8874]
_cell_length_c [12.0448]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [RbNaNpTe3]
_chemical_formula_sum '[Rb4 Na4 Np4 Te12]'
_cell_volume [890.2533]
_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
[
  Rb  Rb0  4  0.0000  0.2632  0.7500  1
  Na  Na1  4  0.0000  0.4446  0.2500  1
  Np  Np2  4  0.0000  0.0000  0.0000  1
  Te  Te3  8  0.0000  0.3721  0.0258  1
  Te  Te4  4  0.0000  0.0573  0.2500  1
]