data_[Sm1Al1Ga2Ni2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Al  1.6100  1.2500  0.6750
  Ga  1.8100  1.3000  0.7600
  Ni  1.9100  1.3500  0.7400
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [4.3455]
_cell_length_b [4.3455]
_cell_length_c [5.6273]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [SmAl(GaNi)2]
_chemical_formula_sum '[Sm1 Al1 Ga2 Ni2]'
_cell_volume [106.2595]
_cell_formula_units_Z [1]
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
[
  Sm  Sm0  1  0.0000  0.0000  0.5000  1
  Al  Al1  1  0.0000  0.0000  0.0000  1
  Ga  Ga2  2  0.5000  0.5000  0.2546  1
  Ni  Ni3  2  0.0000  0.5000  0.0000  1
]