data_[Ac6Ho3Ag6O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Ho  1.2300  1.7500  1.0410
  Ag  1.9300  1.6000  1.0867
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [6.3832]
_cell_length_b [6.3832]
_cell_length_c [16.8615]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Ac2Ho(AgO3)2]
_chemical_formula_sum '[Ac6 Ho3 Ag6 O18]'
_cell_volume [594.9821]
_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
[
  Ac  Ac0  6  0.0000  0.0000  0.2031  1
  Ho  Ho1  3  0.0000  0.0000  0.0000  1
  Ag  Ag2  6  0.0000  0.0000  0.4137  1
  O  O3  18  0.0498  0.5249  0.7625  1
]