data_CrGa
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.08
_cell_length_b   5.08
_cell_length_c   4.18
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   150.51
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CrGa
_chemical_formula_sum   'Cr2 Ga2'
_cell_volume   53.01
_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
  Cr  Cr0  1  0.29  0.81  0.13  1.0
  Cr  Cr1  1  0.29  0.19  0.04  1.0
  Ga  Ga2  1  0.29  0.27  0.13  1.0
  Ga  Ga3  1  0.29  0.73  0.04  1.0

data_CrGa
_symmetry_space_group_name_H-M   P-1
_cell_length_a   2.58
_cell_length_b   4.18
_cell_length_c   5.08
_cell_angle_alpha   90.0
_cell_angle_beta   104.75
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   CrGa
_chemical_formula_sum   'Cr2 Ga2'
_cell_volume   53.01
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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  2  0.19  0.54  0.69  1.0
  Ga  Ga1  2  0.27  0.46  0.77  1.0

Cr Cr Ga Ga
CrGa is alpha carbon monoxide-like structured and crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of two CrGa clusters. Cr(1) is bonded in a single-bond geometry to one Ga(1) atom. The Cr(1)-Ga(1) bond length is 0.57 Å. Ga(1) is bonded in a single-bond geometry to one Cr(1) atom.