data_[Ho6Mg9Zn9]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ho  1.2300  1.7500  1.0410
  Mg  1.3100  1.5000  0.8600
  Zn  1.6500  1.3500  0.8800
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [4.8882]
_cell_length_b [4.8882]
_cell_length_c [24.0157]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [Ho2(MgZn)3]
_chemical_formula_sum '[Ho6 Mg9 Zn9]'
_cell_volume [496.9699]
_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
[
  Ho  Ho0  3  0.0000  0.0000  0.5058  1
  Ho  Ho1  3  0.0000  0.0000  0.9934  1
  Mg  Mg2  3  0.0000  0.0000  0.2477  1
  Mg  Mg3  3  0.0000  0.0000  0.3768  1
  Mg  Mg4  3  0.0000  0.0000  0.7534  1
  Zn  Zn5  3  0.0000  0.0000  0.1200  1
  Zn  Zn6  3  0.0000  0.0000  0.6300  1
  Zn  Zn7  3  0.0000  0.0000  0.8730  1
]