The structure described by Ni3GaAs crystallizes in the hexagonal P-6m2 space group. There are two inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 11-coordinate geometry to two equivalent Ni(1), three equivalent Ni(2), three equivalent Ga(1), and three equivalent As(1) atoms. In the second Ni site, Ni(2) is bonded to six equivalent Ni(1), three equivalent Ga(1), and two equivalent As(1) atoms to form a mixture of distorted face and corner-sharing NiGa3Ni6As2 trigonal bipyramids. Ga(1) is bonded in a 9-coordinate geometry to three equivalent Ni(2) and six equivalent Ni(1) atoms. As(1) is bonded in a 8-coordinate geometry to two equivalent Ni(2) and six equivalent Ni(1) atoms. is represented by the CIF file [CIF]
data_GaNi3As
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.954
_cell_length_b   3.954
_cell_length_c   4.882
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   119.997
_symmetry_Int_Tables_number   1
_cell_volume   66.103
_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
  Ga  Ga0  1  0.333  0.667  0.750  1.0
  Ni  Ni1  1  0.000  1.000  0.495  1.0
  Ni  Ni2  1  0.000  1.000  0.005  1.0
  Ni  Ni3  1  0.667  0.333  0.750  1.0
  As  As4  1  0.667  0.333  0.250  1.0
[/CIF]
.
The structure described by Ni3GaAs crystallizes in the hexagonal P-6m2 space group. There are two inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 11-coordinate geometry to two equivalent Ni(1), three equivalent Ni(2), three equivalent Ga(1), and three equivalent As(1) atoms. In the second Ni site, Ni(2) is bonded to six equivalent Ni(1), three equivalent Ga(1), and two equivalent As(1) atoms to form a mixture of distorted face and corner-sharing NiGa3Ni6As2 trigonal bipyramids. Ga(1) is bonded in a 9-coordinate geometry to three equivalent Ni(2) and six equivalent Ni(1) atoms. As(1) is bonded in a 8-coordinate geometry to two equivalent Ni(2) and six equivalent Ni(1) atoms. is represented by the CIF file [CIF]
data_GaNi3As
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.954
_cell_length_b   3.954
_cell_length_c   4.882
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   119.997
_symmetry_Int_Tables_number   1
_cell_volume   66.103
_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
  Ga  Ga0  1  0.333  0.667  0.750  1.0
  Ni  Ni1  1  0.000  1.000  0.495  1.0
  Ni  Ni2  1  0.000  1.000  0.005  1.0
  Ni  Ni3  1  0.667  0.333  0.750  1.0
  As  As4  1  0.667  0.333  0.250  1.0
[/CIF]
.