The material structure described by NaSi6 crystallizes in the hexagonal P6/m space group. Na(1) is bonded in a 14-coordinate geometry to two equivalent Na(1) and twelve equivalent Si(1) atoms. Si(1) is bonded in a 9-coordinate geometry to two equivalent Na(1) and seven equivalent Si(1) atoms. is represented by the CIF card [CIF]
data_NaSi6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.128
_cell_length_b   7.128
_cell_length_c   2.500
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   110.006
_cell_formula_units_Z   1
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  0.000  0.000  0.500  1.0
  Si  Si1  1  0.147  0.708  0.000  1.0
  Si  Si2  1  0.292  0.439  0.000  1.0
  Si  Si3  1  0.561  0.853  0.000  1.0
  Si  Si4  1  0.853  0.292  0.000  1.0
  Si  Si5  1  0.708  0.561  0.000  1.0
  Si  Si6  1  0.439  0.147  0.000  1.0
[/CIF]
.
The material structure described by NaSi6 crystallizes in the hexagonal P6/m space group. Na(1) is bonded in a 14-coordinate geometry to two equivalent Na(1) and twelve equivalent Si(1) atoms. Si(1) is bonded in a 9-coordinate geometry to two equivalent Na(1) and seven equivalent Si(1) atoms. is represented by the CIF card [CIF]
data_NaSi6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.128
_cell_length_b   7.128
_cell_length_c   2.500
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   110.006
_cell_formula_units_Z   1
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  0.000  0.000  0.500  1.0
  Si  Si1  1  0.147  0.708  0.000  1.0
  Si  Si2  1  0.292  0.439  0.000  1.0
  Si  Si3  1  0.561  0.853  0.000  1.0
  Si  Si4  1  0.853  0.292  0.000  1.0
  Si  Si5  1  0.708  0.561  0.000  1.0
  Si  Si6  1  0.439  0.147  0.000  1.0
[/CIF]
.