data_[Na6Mg6Zn45]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Mg  1.3100  1.5000  0.8600
  Zn  1.6500  1.3500  0.8800
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [9.3150]
_cell_length_b [9.3150]
_cell_length_c [13.0139]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Na2Mg2Zn15]
_chemical_formula_sum '[Na6 Mg6 Zn45]'
_cell_volume [977.9267]
_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
[
  Na  Na0  6  0.0000  0.0000  0.3517  1.0
  Mg  Mg1  6  0.0000  0.0000  0.1134  1.0
  Zn  Zn2  18  0.0000  0.3009  0.0000  1.0
  Zn  Zn3  18  0.0103  0.5052  0.1505  1.0
  Zn  Zn4  9  0.0000  0.5000  0.5000  1.0
]