data_[Pm2Sm4Os2O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Sm  1.1700  1.8500  1.2290
  Os  2.2000  1.3000  0.6730
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [7.2805]
_cell_length_b [7.2955]
_cell_length_c [6.9560]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [PmSm2OsO8]
_chemical_formula_sum '[Pm2 Sm4 Os2 O16]'
_cell_volume [369.4626]
_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
[
  Pm  Pm0  2  0.0000  0.0000  0.5000  1
  Sm  Sm1  4  0.0000  0.5000  0.2507  1
  Os  Os2  2  0.0000  0.0000  0.0000  1
  O  O3  8  0.1810  0.0000  0.2041  1
  O  O4  4  0.0000  0.2563  0.0000  1
  O  O5  4  0.0000  0.3105  0.5000  1
]