data_[Rb4Ca2Np2Cl12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ca  1.0000  1.8000  1.1400
  Np  1.3600  1.7500  1.0000
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Pmmn]
_cell_length_a [7.7493]
_cell_length_b [11.0456]
_cell_length_c [7.9658]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [59]
_chemical_formula_structural [Rb2CaNpCl6]
_chemical_formula_sum '[Rb4 Ca2 Np2 Cl12]'
_cell_volume [681.8368]
_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
[
  Rb  Rb0  4  0.0000  0.2729  0.7887  1
  Ca  Ca1  2  0.0000  0.0000  0.2328  1
  Np  Np2  2  0.0000  0.5000  0.2733  1
  Cl  Cl3  4  0.0000  0.2473  0.2235  1
  Cl  Cl4  4  0.2398  0.5000  0.5374  1
  Cl  Cl5  4  0.2447  0.0000  0.9831  1
]