data_[Pm16Cu2Os4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Cu  1.9000  1.3500  0.8200
  Os  2.2000  1.3000  0.6730
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.0726]
_cell_length_b [4.9494]
_cell_length_c [7.0674]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.3620]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm8CuOs2]
_chemical_formula_sum '[Pm16 Cu2 Os4]'
_cell_volume [606.5732]
_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  0.0340  0.0000  0.7828  1
  Pm  Pm1  4  0.0967  0.5000  0.4672  1
  Pm  Pm2  4  0.1704  0.5000  0.9680  1
  Pm  Pm3  4  0.2048  0.0000  0.3164  1
  Cu  Cu4  2  0.0000  0.5000  0.0000  1
  Os  Os5  4  0.1872  0.0000  0.7085  1
]