data_[Ac1Pm3Y7]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Pm  1.1300  1.8500  1.1100
  Y  1.2200  1.8000  1.0400
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.0653]
_cell_length_b [5.6432]
_cell_length_c [10.0862]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.6456]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [AcPm3Y7]
_chemical_formula_sum '[Ac1 Pm3 Y7]'
_cell_volume [381.0376]
_cell_formula_units_Z [1]
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
[
  Ac  Ac0  1  0.5000  0.0000  0.5000  1
  Pm  Pm1  2  0.2193  0.5000  0.0046  1
  Pm  Pm2  1  0.0000  0.0000  0.5000  1
  Y  Y3  2  0.0700  0.0000  0.1686  1
  Y  Y4  2  0.1709  0.5000  0.3593  1
  Y  Y5  2  0.3559  0.5000  0.7139  1
  Y  Y6  1  0.5000  0.0000  0.0000  1
]