data_[Sm2Dy2Si4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Dy  1.2200  1.7500  1.1310
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [3.8863]
_cell_length_b [5.7561]
_cell_length_c [8.0151]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [SmDySi2]
_chemical_formula_sum '[Sm2 Dy2 Si4]'
_cell_volume [179.2979]
_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
[
  Sm  Sm0  2  0.0000  0.1350  0.6803  1.0
  Dy  Dy1  2  0.5000  0.3649  0.3192  1.0
  Si  Si2  2  0.0000  0.3783  0.0373  1.0
  Si  Si3  2  0.5000  0.1264  0.9633  1.0
]