data_Dy(Fe2Si)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.07
_cell_length_b   7.07
_cell_length_c   3.73
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Dy(Fe2Si)2
_chemical_formula_sum   'Dy2 Fe8 Si4'
_cell_volume   186.12
_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
  Dy  Dy0  1  0.0  0.0  0.0  1.0
  Dy  Dy1  1  0.53  0.53  0.86  1.0
  Fe  Fe2  1  0.13  0.03  0.0  1.0
  Fe  Fe3  1  0.04  0.93  0.0  1.0
  Fe  Fe4  1  0.03  0.13  0.0  1.0
  Fe  Fe5  1  0.93  0.04  0.0  1.0
  Fe  Fe6  1  0.5  0.6  0.86  1.0
  Fe  Fe7  1  0.6  0.5  0.86  1.0
  Fe  Fe8  1  0.47  0.56  0.86  1.0
  Fe  Fe9  1  0.56  0.47  0.86  1.0
  Si  Si10  1  0.98  0.98  0.0  1.0
  Si  Si11  1  0.08  0.08  0.0  1.0
  Si  Si12  1  0.52  0.55  0.86  1.0
  Si  Si13  1  0.55  0.52  0.86  1.0

data_Dy(Fe2Si)2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   9.99
_cell_length_b   9.99
_cell_length_c   3.73
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Dy(Fe2Si)2
_chemical_formula_sum   'Dy4 Fe16 Si8'
_cell_volume   372.24
_cell_formula_units_Z   4
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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
  Dy  Dy0  2  0.0  0.0  0.0  1.0
  Dy  Dy1  2  0.03  0.5  0.86  1.0
  Fe  Fe2  4  0.02  0.45  0.86  1.0
  Fe  Fe3  4  0.05  0.45  0.86  1.0
  Fe  Fe4  4  0.08  0.05  0.0  1.0
  Fe  Fe5  4  0.48  0.45  0.0  1.0
  Si  Si6  4  0.03  0.48  0.86  1.0
  Si  Si7  2  0.08  0.0  0.0  1.0
  Si  Si8  2  0.48  0.5  0.0  1.0

Dy Dy Fe Fe Fe Fe Fe Fe Fe Fe Si Si Si Si