[CIF]
data_Si2SnAs
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.49168720
_cell_length_b   5.49168720
_cell_length_c   5.49168720
_cell_angle_alpha   143.64155583
_cell_angle_beta   125.50658635
_cell_angle_gamma   67.28667877
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Si2SnAs
_chemical_formula_sum   'Si2 Sn1 As1'
_cell_volume   78.77737883
_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
  As  As0  1  0.00000000  0.00000000  0.00000000  1
  Si  Si1  1  -0.00000000  2.51421970  2.55983405  1
  Si  Si2  1  1.71335367  -0.00000000  2.01200877  1
  Sn  Sn3  1  -0.00000000  0.00000000  4.57184282  1
[/CIF]
