data_[Ac1Pm1Y1Ho1]
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
  Ho  1.2300  1.7500  1.0410
]
_symmetry_space_group_name_H-M [Pmm2]
_cell_length_a [3.5419]
_cell_length_b [5.7724]
_cell_length_c [7.0370]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [25]
_chemical_formula_structural [AcPmYHo]
_chemical_formula_sum '[Ac1 Pm1 Y1 Ho1]'
_cell_volume [143.8716]
_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  0.0000  0.0000  0.5496  1
  Pm  Pm1  1  0.5000  0.5000  0.2858  1
  Y  Y2  1  0.0000  0.5000  0.8221  1
  Ho  Ho3  1  0.0000  0.0000  0.0621  1
]