data_[Sr4Sm4Hf8]
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
  Hf  1.3000  1.5500  0.8500
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [8.2179]
_cell_length_b [9.6644]
_cell_length_c [6.1255]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [SrSmHf2]
_chemical_formula_sum '[Sr4 Sm4 Hf8]'
_cell_volume [486.4964]
_cell_formula_units_Z [4]
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  4  0.0000  0.3981  0.7500  1
  Sm  Sm1  4  0.0000  0.0000  0.0000  1
  Hf  Hf2  8  0.1794  0.2813  0.2500  1
]