data_ErGa
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.47
_cell_length_b   3.47
_cell_length_c   4.58
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ErGa
_chemical_formula_sum   'Er1 Ga1'
_cell_volume   47.82
_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
  Er  Er0  1  0.0  0.01  0.29  1.0
  Ga  Ga1  1  0.0  0.0  0.0  1.0

data_ErGa
_symmetry_space_group_name_H-M   P6mm
_cell_length_a   3.47
_cell_length_b   3.47
_cell_length_c   4.58
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   183
_chemical_formula_structural   ErGa
_chemical_formula_sum   'Er1 Ga1'
_cell_volume   47.82
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x-y, x, z'
  3  '-y, x-y, z'
  4  '-x, -y, z'
  5  '-x+y, -x, z'
  6  'y, -x+y, z'
  7  'y, x, z'
  8  'x, x-y, z'
  9  'x-y, -y, z'
  10  '-y, -x, z'
  11  '-x, -x+y, z'
  12  '-x+y, 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
  Er  Er0  1  0.0  0.0  0.29  1.0
  Ga  Ga1  1  0.0  0.0  0.0  1.0

Er Ga
ErGa crystallizes in the monoclinic Cm space group. The structure is zero-dimensional and consists of two ErGa clusters. Er(1) is bonded in a single-bond geometry to one Ga(1) atom. The Er(1)-Ga(1) bond length is 1.32 Å. Ga(1) is bonded in a single-bond geometry to one Er(1) atom.