data_[Sr2Sm2Al2]
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
  Al  1.6100  1.2500  0.6750
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [5.2114]
_cell_length_b [5.2114]
_cell_length_c [9.1747]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [SrSmAl]
_chemical_formula_sum '[Sr2 Sm2 Al2]'
_cell_volume [215.7916]
_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  0.3400  1
  Sm  Sm1  2  0.3333  0.6667  0.9123  1
  Al  Al2  2  0.0000  0.0000  0.1480  1
]