data_InFe2Si
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.1
_cell_length_b   3.1
_cell_length_c   6.08
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   InFe2Si
_chemical_formula_sum   'In1 Fe2 Si1'
_cell_volume   58.31
_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
  In  In2  1  0.55  0.55  0.94  1.0
  Fe  Fe0  1  0.55  0.55  0.99  1.0
  Fe  Fe1  1  0.0  0.0  0.28  1.0
  Si  Si3  1  0.0  0.0  1.0  1.0

data_InFe2Si
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.38
_cell_length_b   4.38
_cell_length_c   6.08
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   InFe2Si
_chemical_formula_sum   'In2 Fe4 Si2'
_cell_volume   116.61
_cell_formula_units_Z   2
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
  In  In0  2  0.05  0.5  0.94  1.0
  Fe  Fe1  2  0.0  0.0  0.28  1.0
  Fe  Fe2  2  0.05  0.5  0.99  1.0
  Si  Si3  2  0.0  0.0  1.0  1.0

In Fe Fe Si
In Fe Fe Si 0 1 o o o 0 3 + + o 0 3 + o o 0 3 o + o 1 3 + + o 1 3 + o o 1 3 o + o 2 3 o o - 
FeInFeSi crystallizes in the monoclinic Cm space group. The structure is zero-dimensional and consists of two indium;iron molecules and two iron silicide (fesi) molecules.