[CIF]
data_Na
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.76540624
_cell_length_b   3.76540624
_cell_length_c   6.13485885
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   120.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na
_chemical_formula_sum   Na2
_cell_volume   75.32842424
_cell_formula_units_Z   2
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  1  1.88270312  1.08697915  4.60114414  1
  Na  Na1  1  0.00000000  2.17395831  1.53371471  1
[/CIF]
