data_[Mg3Ni9B3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Ni  1.9100  1.3500  0.7400
  B  2.0400  0.8500  0.4100
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [5.5353]
_cell_length_b [5.5353]
_cell_length_c [6.5196]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [MgNi3B]
_chemical_formula_sum '[Mg3 Ni9 B3]'
_cell_volume [172.9920]
_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
[
  Mg  Mg0  3  0.0000  0.0000  0.3198  1
  Ni  Ni1  9  0.0173  0.5087  0.3295  1
  B  B2  3  0.0000  0.0000  0.8518  1
]