data_[Pm4Dy2Tc18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Dy  1.2200  1.7500  1.1310
  Tc  1.9000  1.3500  0.7417
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [9.6170]
_cell_length_b [5.2872]
_cell_length_c [9.4503]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.8200]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm2DyTc9]
_chemical_formula_sum '[Pm4 Dy2 Tc18]'
_cell_volume [442.9096]
_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  0.1421  0.0000  0.4296  1
  Dy  Dy1  2  0.0000  0.0000  0.0000  1
  Tc  Tc2  8  0.1722  0.2457  0.7498  1
  Tc  Tc3  4  0.0775  0.5000  0.2311  1
  Tc  Tc4  4  0.1855  0.5000  0.9899  1
  Tc  Tc5  2  0.0000  0.5000  0.5000  1
]