data_[Sm2Np2Zn2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Np  1.3600  1.7500  1.0000
  Zn  1.6500  1.3500  0.8800
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-31c]
_cell_length_a [5.3809]
_cell_length_b [5.3809]
_cell_length_c [10.2171]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [163]
_chemical_formula_structural [SmNpZnO6]
_chemical_formula_sum '[Sm2 Np2 Zn2 O12]'
_cell_volume [256.1961]
_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
[
  Sm  Sm0  2  0.0000  0.0000  0.0000  1
  Np  Np1  2  0.3333  0.6667  0.7500  1
  Zn  Zn2  2  0.3333  0.6667  0.2500  1
  O  O3  12  0.0154  0.3599  0.6385  1
]