data_Cr(SiCl)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.33
_cell_length_b   8.33
_cell_length_c   8.33
_cell_angle_alpha   156.1
_cell_angle_beta   156.1
_cell_angle_gamma   34.05
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Cr(SiCl)2
_chemical_formula_sum   'Cr1 Si2 Cl2'
_cell_volume   94.77
_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
  Cr  Cr2  1  0.0  0.0  0.0  1.0
  Si  Si3  1  0.0  0.72  0.98  1.0
  Si  Si4  1  0.72  0.0  0.98  1.0
  Cl  Cl0  1  0.0  0.0  0.43  1.0
  Cl  Cl1  1  0.0  0.0  0.5  1.0

data_Cr(SiCl)2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.88
_cell_length_b   4.88
_cell_length_c   8.33
_cell_angle_alpha   90.0
_cell_angle_beta   107.02
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Cr(SiCl)2
_chemical_formula_sum   'Cr2 Si4 Cl4'
_cell_volume   189.54
_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
  Cr  Cr0  2  0.0  0.0  0.0  1.0
  Si  Si1  4  0.12  0.14  0.26  1.0
  Cl  Cl2  2  0.0  0.5  0.5  1.0
  Cl  Cl3  2  0.43  0.0  0.43  1.0

Cr Si Si Cl Cl
Cr Si Si Cl Cl 0 2 - o - 0 1 o - - 1 2 - + o 3 4 o o o 