data_[Ac2Sm4Er2Tm2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Sm  1.1700  1.8500  1.2290
  Er  1.2400  1.7500  1.0300
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.3955]
_cell_length_b [5.8445]
_cell_length_c [9.7843]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.6765]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [AcSm2ErTm]
_chemical_formula_sum '[Ac2 Sm4 Er2 Tm2]'
_cell_volume [346.4639]
_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
[
  Ac  Ac0  2  0.1372  0.2500  0.1059  1
  Sm  Sm1  2  0.2661  0.7500  0.6987  1
  Sm  Sm2  2  0.3381  0.2500  0.5029  1
  Er  Er3  2  0.4780  0.7500  0.1061  1
  Tm  Tm4  2  0.0668  0.7500  0.3104  1
]