data_[Rb3Na6Ho3Br18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Na  0.9300  1.8000  1.1600
  Ho  1.2300  1.7500  1.0410
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [7.6552]
_cell_length_b [7.6552]
_cell_length_c [20.9712]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [RbNa2HoBr6]
_chemical_formula_sum '[Rb3 Na6 Ho3 Br18]'
_cell_volume [1064.2982]
_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
[
  Rb  Rb0  3  0.0000  0.0000  0.8048  1.0
  Na  Na1  3  0.0000  0.0000  0.0036  1.0
  Na  Na2  3  0.0000  0.0000  0.5196  1.0
  Ho  Ho3  3  0.0000  0.0000  0.3267  1.0
  Br  Br4  9  0.0223  0.3508  0.9229  1.0
  Br  Br5  9  0.0856  0.7273  0.0792  1.0
]