data_[Nd6Sm3Tm3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Sm  1.1700  1.8500  1.2290
  Tm  1.2500  1.7500  1.0950
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.9756]
_cell_length_b [5.9756]
_cell_length_c [15.3633]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Nd2SmTmO6]
_chemical_formula_sum '[Nd6 Sm3 Tm3 O18]'
_cell_volume [475.0864]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.0288  1.0
  Nd  Nd1  3  0.0000  0.0000  0.5309  1.0
  Sm  Sm2  3  0.0000  0.0000  0.8071  1.0
  Tm  Tm3  3  0.0000  0.0000  0.3115  1.0
  O  O4  9  0.0141  0.7231  0.4127  1.0
  O  O5  9  0.0253  0.3844  0.5818  1.0
]