data_CrSiB2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.22
_cell_length_b   4.22
_cell_length_c   2.96
_cell_angle_alpha   93.56
_cell_angle_beta   93.56
_cell_angle_gamma   40.63
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CrSiB2
_chemical_formula_sum   'Cr1 Si1 B2'
_cell_volume   34.18
_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  0.11  0.0  0.82  1.0
  Si  Si3  1  0.65  0.0  0.44  1.0
  B  B0  1  0.39  0.0  0.35  1.0
  B  B1  1  0.34  0.0  0.82  1.0

data_CrSiB2
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.93
_cell_length_b   2.96
_cell_length_c   4.22
_cell_angle_alpha   93.56
_cell_angle_beta   110.31
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CrSiB2
_chemical_formula_sum   'Cr1 Si1 B2'
_cell_volume   34.18
_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  Cr0  1  0.0  0.82  0.11  1.0
  Si  Si1  1  0.0  0.44  0.65  1.0
  B  B2  1  0.0  0.35  0.39  1.0
  B  B3  1  0.0  0.82  0.34  1.0

Cr Si B B
Cr Si B B 0 3 o o o 1 2 o o o 
CrBBSi crystallizes in the triclinic P1 space group. The structure is zero-dimensional and consists of one chromium boride (crb) molecule and one silylborane molecule.