The crystal structure described by Hf2CuGa3 crystallizes in the monoclinic Cm space group. There are two inequivalent Hf sites. In the first Hf site, Hf(1) is bonded in a 12-coordinate geometry to three equivalent Cu(1), three equivalent Ga(1), three equivalent Ga(2), and three equivalent Ga(3) atoms. In the second Hf site, Hf(2) is bonded in a 10-coordinate geometry to three equivalent Cu(1), three equivalent Ga(1), three equivalent Ga(2), and three equivalent Ga(3) atoms. Cu(1) is bonded in a 10-coordinate geometry to three equivalent Hf(1), three equivalent Hf(2), one Ga(1), one Ga(3), and two equivalent Ga(2) atoms. There are three inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 10-coordinate geometry to three equivalent Hf(1), three equivalent Hf(2), one Cu(1), one Ga(2), and two equivalent Ga(3) atoms. In the second Ga site, Ga(2) is bonded in a 10-coordinate geometry to three equivalent Hf(1), three equivalent Hf(2), two equivalent Cu(1), one Ga(1), and one Ga(3) atom. In the third Ga site, Ga(3) is bonded in a 10-coordinate geometry to three equivalent Hf(1), three equivalent Hf(2), one Cu(1), one Ga(2), and two equivalent Ga(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Hf2Ga3Cu
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.317
_cell_length_b   5.317
_cell_length_c   6.456
_cell_angle_alpha   52.786
_cell_angle_beta   52.786
_cell_angle_gamma   45.109
_symmetry_Int_Tables_number   1
_cell_volume   97.709
_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
  Hf  Hf0  1  0.456  0.456  0.802  1.0
  Hf  Hf1  1  0.548  0.548  0.205  1.0
  Ga  Ga2  1  0.148  0.148  0.388  1.0
  Ga  Ga3  1  0.173  0.173  0.791  1.0
  Ga  Ga4  1  0.841  0.841  0.205  1.0
  Cu  Cu5  1  0.834  0.834  0.610  1.0
[/CIF]
.
The crystal structure described by Hf2CuGa3 crystallizes in the monoclinic Cm space group. There are two inequivalent Hf sites. In the first Hf site, Hf(1) is bonded in a 12-coordinate geometry to three equivalent Cu(1), three equivalent Ga(1), three equivalent Ga(2), and three equivalent Ga(3) atoms. In the second Hf site, Hf(2) is bonded in a 10-coordinate geometry to three equivalent Cu(1), three equivalent Ga(1), three equivalent Ga(2), and three equivalent Ga(3) atoms. Cu(1) is bonded in a 10-coordinate geometry to three equivalent Hf(1), three equivalent Hf(2), one Ga(1), one Ga(3), and two equivalent Ga(2) atoms. There are three inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 10-coordinate geometry to three equivalent Hf(1), three equivalent Hf(2), one Cu(1), one Ga(2), and two equivalent Ga(3) atoms. In the second Ga site, Ga(2) is bonded in a 10-coordinate geometry to three equivalent Hf(1), three equivalent Hf(2), two equivalent Cu(1), one Ga(1), and one Ga(3) atom. In the third Ga site, Ga(3) is bonded in a 10-coordinate geometry to three equivalent Hf(1), three equivalent Hf(2), one Cu(1), one Ga(2), and two equivalent Ga(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Hf2Ga3Cu
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.317
_cell_length_b   5.317
_cell_length_c   6.456
_cell_angle_alpha   52.786
_cell_angle_beta   52.786
_cell_angle_gamma   45.109
_symmetry_Int_Tables_number   1
_cell_volume   97.709
_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
  Hf  Hf0  1  0.456  0.456  0.802  1.0
  Hf  Hf1  1  0.548  0.548  0.205  1.0
  Ga  Ga2  1  0.148  0.148  0.388  1.0
  Ga  Ga3  1  0.173  0.173  0.791  1.0
  Ga  Ga4  1  0.841  0.841  0.205  1.0
  Cu  Cu5  1  0.834  0.834  0.610  1.0
[/CIF]
.