data_[Ac2Sm2Er2Te6]
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
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [8.7847]
_cell_length_b [4.4453]
_cell_length_c [10.9176]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.3656]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [AcSmErTe3]
_chemical_formula_sum '[Ac2 Sm2 Er2 Te6]'
_cell_volume [409.0683]
_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  0.1937  0.7500  0.2193  1
  Sm  Sm1  2  0.3394  0.2500  0.9073  1
  Er  Er2  2  0.1518  0.7500  0.6233  1
  Te  Te3  2  0.0912  0.7500  0.8902  1
  Te  Te4  2  0.2172  0.2500  0.4601  1
  Te  Te5  2  0.4902  0.2500  0.2107  1
]