data_[Si2Sn2S4N2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Si  1.9000  1.1000  0.5400
  Sn  1.9600  1.4500  0.8300
  S  2.5800  1.0000  0.8800
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [11.9137]
_cell_length_b [3.4598]
_cell_length_c [5.1096]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.8935]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [SiSnS2N]
_chemical_formula_sum '[Si2 Sn2 S4 N2]'
_cell_volume [195.4202]
_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
[
  Si  Si0  2  0.3058  0.0000  0.5773  1
  Sn  Sn1  2  0.0385  0.0000  0.0082  1
  S  S2  2  0.1216  0.0000  0.5629  1
  S  S3  2  0.3153  0.5000  0.3194  1
  N  N4  2  0.4259  0.0000  0.8915  1
]