data_[Pm4Mn2Sb2O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Mn  1.5500  1.4000  0.6483
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.7593]
_cell_length_b [7.1764]
_cell_length_c [6.7136]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.5634]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm2MnSbO8]
_chemical_formula_sum '[Pm4 Mn2 Sb2 O16]'
_cell_volume [325.6407]
_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  4  0.0558  0.5000  0.2552  1
  Mn  Mn1  2  0.0000  0.0000  0.5000  1
  Sb  Sb2  2  0.0000  0.0000  0.0000  1
  O  O3  8  0.0384  0.1726  0.7514  1
  O  O4  4  0.2130  0.5000  0.9631  1
  O  O5  4  0.2289  0.5000  0.5432  1
]