data_[Nd2Er6Tm4Se12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Er  1.2400  1.7500  1.0300
  Tm  1.2500  1.7500  1.0950
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.0523]
_cell_length_b [12.2032]
_cell_length_c [7.0339]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.7159]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [NdEr3(TmSe3)2]
_chemical_formula_sum '[Nd2 Er6 Tm4 Se12]'
_cell_volume [569.8544]
_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
[
  Nd  Nd0  2  0.0000  0.0000  0.0000  1.0
  Er  Er1  4  0.0000  0.1571  0.5000  1.0
  Er  Er2  2  0.0000  0.5000  0.5000  1.0
  Tm  Tm3  4  0.0000  0.3345  0.0000  1.0
  Se  Se4  8  0.2410  0.3260  0.7430  1.0
  Se  Se5  4  0.2366  0.5000  0.2492  1.0
]