data_nolabel
_cell_length_a     3.08100000000000
_cell_length_b     3.08100000000000
_cell_length_c     3.519
_cell_angle_alpha  90
_cell_angle_beta   90
_cell_angle_gamma  120
_symmetry_space_group_name_H-M  'P6/mmm'
loop_
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
  Mg     0.00000000  0.00000000  0.00000000
  B      0.33333333  0.66666667  0.50000000
