data_[Sr2Sm2In2I12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Sm  1.1700  1.8500  1.2290
  In  1.7800  1.5500  0.9400
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P-31c]
_cell_length_a [8.2133]
_cell_length_b [8.2133]
_cell_length_c [15.0900]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [163]
_chemical_formula_structural [SrSmInI6]
_chemical_formula_sum '[Sr2 Sm2 In2 I12]'
_cell_volume [881.5537]
_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  0.3333  0.6667  0.2500  1
  Sm  Sm1  2  0.3333  0.6667  0.7500  1
  In  In2  2  0.0000  0.0000  0.0000  1
  I  I3  12  0.0181  0.3673  0.6300  1
]