data_Na2SiTe
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.31
_cell_length_b   4.79
_cell_length_c   5.03
_cell_angle_alpha   90.0
_cell_angle_beta   94.89
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2SiTe
_chemical_formula_sum   'Na2 Si1 Te1'
_cell_volume   103.64
_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  0.5  0.0  0.61  1.0
  Na  Na1  1  0.51  0.39  0.65  1.0
  Si  Si2  1  0.37  0.0  0.39  1.0
  Te  Te3  1  0.33  0.39  0.88  1.0

data_Na2SiTe
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.31
_cell_length_b   4.79
_cell_length_c   5.03
_cell_angle_alpha   90.0
_cell_angle_beta   94.89
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2SiTe
_chemical_formula_sum   'Na2 Si1 Te1'
_cell_volume   103.64
_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  0.5  0.0  0.61  1.0
  Na  Na1  1  0.51  0.39  0.65  1.0
  Si  Si2  1  0.37  0.0  0.39  1.0
  Te  Te3  1  0.33  0.39  0.88  1.0

Na Na Si Te
Na Na Si Te 0 2 o o o 1 3 o o o 
NaSiNaTe crystallizes in the triclinic P1 space group. The structure is zero-dimensional and consists of one lambda1-tellanylsodium molecule and one sodium silanide molecule.