data_[Na2Pm2Co4F16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Pm  1.1300  1.8500  1.1100
  Co  1.8800  1.3500  0.7683
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [7.1187]
_cell_length_b [7.2142]
_cell_length_c [6.7356]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [NaPmCo2F8]
_chemical_formula_sum '[Na2 Pm2 Co4 F16]'
_cell_volume [345.9112]
_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
[
  Na  Na0  2  0.0000  0.0000  0.5000  1
  Pm  Pm1  2  0.0000  0.0000  0.0000  1
  Co  Co2  4  0.0000  0.5000  0.2647  1
  F  F3  8  0.2156  0.0000  0.2449  1
  F  F4  4  0.0000  0.3191  0.0000  1
  F  F5  4  0.0000  0.3199  0.5000  1
]