data_[Sr4Np2Ag2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Np  1.3600  1.7500  1.0000
  Ag  1.9300  1.6000  1.0867
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.7696]
_cell_length_b [5.9052]
_cell_length_c [6.0033]
_cell_angle_alpha [90.0000]
_cell_angle_beta [122.9247]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sr2NpAgO6]
_chemical_formula_sum '[Sr4 Np2 Ag2 O12]'
_cell_volume [320.4705]
_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
[
  Sr  Sr0  4  0.2494  0.5000  0.7784  1
  Np  Np1  2  0.0000  0.5000  0.0000  1
  Ag  Ag2  2  0.0000  0.0000  0.5000  1
  O  O3  8  0.0717  0.2622  0.8446  1
  O  O4  4  0.2039  0.5000  0.3270  1
]