data_nolabel
_cell_length_a     3.61900000000000
_cell_length_b     3.61900000000000
_cell_length_c     5.034
_cell_angle_alpha  90
_cell_angle_beta   90
_cell_angle_gamma  120
_symmetry_space_group_name_H-M  'P63/mmc'
loop_
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
  Ni     0.00000000  0.00000000  0.00000000
  As     0.33333333  0.66666667  0.25000000
