data_[Pm2Ta4Co2O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Ta  1.5000  1.4500  0.8200
  Co  1.8800  1.3500  0.7683
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.2766]
_cell_length_b [6.6792]
_cell_length_c [6.3366]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.6143]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [PmTa2CoO8]
_chemical_formula_sum '[Pm2 Ta4 Co2 O16]'
_cell_volume [307.9527]
_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
  Ta  Ta1  4  0.0155  0.5000  0.7630  1
  Co  Co2  2  0.0000  0.0000  0.0000  1
  O  O3  8  0.0035  0.2052  0.2117  1
  O  O4  4  0.1724  0.5000  0.5062  1
  O  O5  4  0.1821  0.5000  0.0019  1
]