data_[Sm4Pu4As4O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Pu  1.2800  1.7500  0.9675
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [8.2853]
_cell_length_b [8.3942]
_cell_length_c [5.7285]
_cell_angle_alpha [90.0000]
_cell_angle_beta [95.9263]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [SmPuAsO]
_chemical_formula_sum '[Sm4 Pu4 As4 O4]'
_cell_volume [396.2806]
_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
[
  Sm  Sm0  4  0.4985  0.2337  0.5862  1
  Pu  Pu1  2  0.2103  0.5000  0.1792  1
  Pu  Pu2  2  0.3041  0.0000  0.0677  1
  As  As3  2  0.2167  0.0000  0.5334  1
  As  As4  2  0.2728  0.5000  0.6961  1
  O  O5  4  0.4996  0.1796  0.1756  1
]