data_[Pa6Si2N4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pa  1.5000  1.8000  1.0400
  Si  1.9000  1.1000  0.5400
  N  3.0400  0.6500  0.6300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.9704]
_cell_length_b [6.6725]
_cell_length_c [4.5637]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.5173]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pa3Si(NO3)2]
_chemical_formula_sum '[Pa6 Si2 N4 O12]'
_cell_volume [334.0513]
_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
[
  Pa  Pa0  4  0.2500  0.2500  0.5000  1
  Pa  Pa1  2  0.0000  0.5000  0.0000  1
  Si  Si2  2  0.0000  0.0000  0.5000  1
  N  N3  4  0.1697  0.5000  0.7648  1
  O  O4  8  0.0684  0.2159  0.2766  1
  O  O5  4  0.1389  0.0000  0.6944  1
]