data_[Sr2Li2Sn2Se6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Li  0.9800  1.4500  0.9000
  Sn  1.9600  1.4500  0.8300
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [8.6889]
_cell_length_b [4.1886]
_cell_length_c [8.9990]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.7140]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [SrLiSnSe3]
_chemical_formula_sum '[Sr2 Li2 Sn2 Se6]'
_cell_volume [315.2725]
_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
[
  Sr  Sr0  2  0.1978  0.7500  0.2455  1
  Li  Li1  2  0.0898  0.7500  0.5938  1
  Sn  Sn2  2  0.3280  0.2500  0.8470  1
  Se  Se3  2  0.1060  0.7500  0.8794  1
  Se  Se4  2  0.2154  0.2500  0.5159  1
  Se  Se5  2  0.4446  0.2500  0.1764  1
]