data_Sc2CrSi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.89
_cell_length_b   8.89
_cell_length_c   8.89
_cell_angle_alpha   19.8
_cell_angle_beta   19.8
_cell_angle_gamma   19.8
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sc2CrSi
_chemical_formula_sum   'Sc2 Cr1 Si1'
_cell_volume   70.47
_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
  Sc  Sc1  1  0.0  0.0  0.64  1.0
  Sc  Sc2  1  0.0  0.0  0.49  1.0
  Cr  Cr0  1  0.0  0.0  0.07  1.0
  Si  Si3  1  0.0  0.0  0.0  1.0

data_Sc2CrSi
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.29
_cell_length_b   3.06
_cell_length_c   8.89
_cell_angle_alpha   90.0
_cell_angle_beta   101.45
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Sc2CrSi
_chemical_formula_sum   'Sc4 Cr2 Si2'
_cell_volume   140.94
_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
  Sc  Sc0  2  -0.0  0.0  0.51  1.0
  Sc  Sc1  2  -0.0  0.0  0.36  1.0
  Cr  Cr2  2  -0.0  0.0  0.93  1.0
  Si  Si3  2  0.0  0.0  0.0  1.0

Sc Sc Cr Si
Sc Sc Cr Si 0 1 o o o 2 3 o o o 
Sc2CrSi crystallizes in the monoclinic Cm space group. The structure is zero-dimensional and consists of two chromium mono silicide molecules and two scandium molecules.