The compound described by Ni5Ge2 crystallizes in the hexagonal P6_3cm space group. There are six inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 13-coordinate geometry to three equivalent Ni(3), three equivalent Ni(5), three equivalent Ni(6), one Ge(1), and three equivalent Ge(3) atoms. In the second Ni site, Ni(2) is bonded in a 10-coordinate geometry to three equivalent Ni(3), three equivalent Ni(4), one Ge(2), and three equivalent Ge(3) atoms. In the third Ni site, Ni(3) is bonded in a 3-coordinate geometry to one Ni(1), two equivalent Ni(2), three equivalent Ni(4), one Ge(1), and two equivalent Ge(3) atoms. In the fourth Ni site, Ni(4) is bonded in a 13-coordinate geometry to one Ni(6), two equivalent Ni(2), three equivalent Ni(3), three equivalent Ni(5), one Ge(1), one Ge(3), and two equivalent Ge(2) atoms. In the fifth Ni site, Ni(5) is bonded in a 4-coordinate geometry to one Ni(1), three equivalent Ni(4), one Ge(1), one Ge(3), and two equivalent Ge(2) atoms. In the sixth Ni site, Ni(6) is bonded in a 1-coordinate geometry to one Ni(1), one Ni(4), two equivalent Ge(2), and three equivalent Ge(3) atoms. There are three inequivalent Ge sites. In the first Ge site, Ge(2) is bonded in a 10-coordinate geometry to one Ni(2), three equivalent Ni(4), three equivalent Ni(5), and three equivalent Ni(6) atoms. In the second Ge site, Ge(3) is bonded in a 10-coordinate geometry to one Ni(1), one Ni(4), one Ni(5), two equivalent Ni(2), two equivalent Ni(3), and three equivalent Ni(6) atoms. In the third Ge site, Ge(1) is bonded in a 10-coordinate geometry to one Ni(1), three equivalent Ni(3), three equivalent Ni(4), and three equivalent Ni(5) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ni5Ge2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.739
_cell_length_b   6.739
_cell_length_c   12.244
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   481.465
_cell_formula_units_Z   6
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
  Ni  Ni0  1  0.000  0.000  0.573  1.0
  Ni  Ni1  1  0.000  0.000  0.073  1.0
  Ni  Ni2  1  0.667  0.333  0.430  1.0
  Ni  Ni3  1  0.333  0.667  0.430  1.0
  Ni  Ni4  1  0.333  0.667  0.930  1.0
  Ni  Ni5  1  0.667  0.333  0.930  1.0
  Ni  Ni6  1  0.724  0.000  0.401  1.0
  Ni  Ni7  1  0.276  0.276  0.401  1.0
  Ni  Ni8  1  0.000  0.724  0.401  1.0
  Ni  Ni9  1  0.276  0.000  0.901  1.0
  Ni  Ni10  1  0.724  0.724  0.901  1.0
  Ni  Ni11  1  0.000  0.276  0.901  1.0
  Ni  Ni12  1  0.371  0.000  0.307  1.0
  Ni  Ni13  1  0.629  0.629  0.307  1.0
  Ni  Ni14  1  0.000  0.371  0.307  1.0
  Ni  Ni15  1  0.629  0.000  0.807  1.0
  Ni  Ni16  1  0.371  0.371  0.807  1.0
  Ni  Ni17  1  0.000  0.629  0.807  1.0
  Ni  Ni18  1  0.693  0.000  0.196  1.0
  Ni  Ni19  1  0.307  0.307  0.196  1.0
  Ni  Ni20  1  0.000  0.693  0.196  1.0
  Ni  Ni21  1  0.307  0.000  0.696  1.0
  Ni  Ni22  1  0.693  0.693  0.696  1.0
  Ni  Ni23  1  0.000  0.307  0.696  1.0
  Ni  Ni24  1  0.370  0.000  0.098  1.0
  Ni  Ni25  1  0.630  0.630  0.098  1.0
  Ni  Ni26  1  0.000  0.370  0.098  1.0
  Ni  Ni27  1  0.630  0.000  0.598  1.0
  Ni  Ni28  1  0.370  0.370  0.598  1.0
  Ni  Ni29  1  0.000  0.630  0.598  1.0
  Ge  Ge30  1  0.000  0.000  0.279  1.0
  Ge  Ge31  1  0.000  0.000  0.779  1.0
  Ge  Ge32  1  0.667  0.333  0.222  1.0
  Ge  Ge33  1  0.333  0.667  0.222  1.0
  Ge  Ge34  1  0.333  0.667  0.722  1.0
  Ge  Ge35  1  0.667  0.333  0.722  1.0
  Ge  Ge36  1  0.330  0.000  0.502  1.0
  Ge  Ge37  1  0.670  0.670  0.502  1.0
  Ge  Ge38  1  0.000  0.330  0.502  1.0
  Ge  Ge39  1  0.670  0.000  0.002  1.0
  Ge  Ge40  1  0.330  0.330  0.002  1.0
  Ge  Ge41  1  0.000  0.670  0.002  1.0
[/CIF]
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The compound described by Ni5Ge2 crystallizes in the hexagonal P6_3cm space group. There are six inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 13-coordinate geometry to three equivalent Ni(3), three equivalent Ni(5), three equivalent Ni(6), one Ge(1), and three equivalent Ge(3) atoms. In the second Ni site, Ni(2) is bonded in a 10-coordinate geometry to three equivalent Ni(3), three equivalent Ni(4), one Ge(2), and three equivalent Ge(3) atoms. In the third Ni site, Ni(3) is bonded in a 3-coordinate geometry to one Ni(1), two equivalent Ni(2), three equivalent Ni(4), one Ge(1), and two equivalent Ge(3) atoms. In the fourth Ni site, Ni(4) is bonded in a 13-coordinate geometry to one Ni(6), two equivalent Ni(2), three equivalent Ni(3), three equivalent Ni(5), one Ge(1), one Ge(3), and two equivalent Ge(2) atoms. In the fifth Ni site, Ni(5) is bonded in a 4-coordinate geometry to one Ni(1), three equivalent Ni(4), one Ge(1), one Ge(3), and two equivalent Ge(2) atoms. In the sixth Ni site, Ni(6) is bonded in a 1-coordinate geometry to one Ni(1), one Ni(4), two equivalent Ge(2), and three equivalent Ge(3) atoms. There are three inequivalent Ge sites. In the first Ge site, Ge(2) is bonded in a 10-coordinate geometry to one Ni(2), three equivalent Ni(4), three equivalent Ni(5), and three equivalent Ni(6) atoms. In the second Ge site, Ge(3) is bonded in a 10-coordinate geometry to one Ni(1), one Ni(4), one Ni(5), two equivalent Ni(2), two equivalent Ni(3), and three equivalent Ni(6) atoms. In the third Ge site, Ge(1) is bonded in a 10-coordinate geometry to one Ni(1), three equivalent Ni(3), three equivalent Ni(4), and three equivalent Ni(5) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ni5Ge2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.739
_cell_length_b   6.739
_cell_length_c   12.244
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   481.465
_cell_formula_units_Z   6
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
  Ni  Ni0  1  0.000  0.000  0.573  1.0
  Ni  Ni1  1  0.000  0.000  0.073  1.0
  Ni  Ni2  1  0.667  0.333  0.430  1.0
  Ni  Ni3  1  0.333  0.667  0.430  1.0
  Ni  Ni4  1  0.333  0.667  0.930  1.0
  Ni  Ni5  1  0.667  0.333  0.930  1.0
  Ni  Ni6  1  0.724  0.000  0.401  1.0
  Ni  Ni7  1  0.276  0.276  0.401  1.0
  Ni  Ni8  1  0.000  0.724  0.401  1.0
  Ni  Ni9  1  0.276  0.000  0.901  1.0
  Ni  Ni10  1  0.724  0.724  0.901  1.0
  Ni  Ni11  1  0.000  0.276  0.901  1.0
  Ni  Ni12  1  0.371  0.000  0.307  1.0
  Ni  Ni13  1  0.629  0.629  0.307  1.0
  Ni  Ni14  1  0.000  0.371  0.307  1.0
  Ni  Ni15  1  0.629  0.000  0.807  1.0
  Ni  Ni16  1  0.371  0.371  0.807  1.0
  Ni  Ni17  1  0.000  0.629  0.807  1.0
  Ni  Ni18  1  0.693  0.000  0.196  1.0
  Ni  Ni19  1  0.307  0.307  0.196  1.0
  Ni  Ni20  1  0.000  0.693  0.196  1.0
  Ni  Ni21  1  0.307  0.000  0.696  1.0
  Ni  Ni22  1  0.693  0.693  0.696  1.0
  Ni  Ni23  1  0.000  0.307  0.696  1.0
  Ni  Ni24  1  0.370  0.000  0.098  1.0
  Ni  Ni25  1  0.630  0.630  0.098  1.0
  Ni  Ni26  1  0.000  0.370  0.098  1.0
  Ni  Ni27  1  0.630  0.000  0.598  1.0
  Ni  Ni28  1  0.370  0.370  0.598  1.0
  Ni  Ni29  1  0.000  0.630  0.598  1.0
  Ge  Ge30  1  0.000  0.000  0.279  1.0
  Ge  Ge31  1  0.000  0.000  0.779  1.0
  Ge  Ge32  1  0.667  0.333  0.222  1.0
  Ge  Ge33  1  0.333  0.667  0.222  1.0
  Ge  Ge34  1  0.333  0.667  0.722  1.0
  Ge  Ge35  1  0.667  0.333  0.722  1.0
  Ge  Ge36  1  0.330  0.000  0.502  1.0
  Ge  Ge37  1  0.670  0.670  0.502  1.0
  Ge  Ge38  1  0.000  0.330  0.502  1.0
  Ge  Ge39  1  0.670  0.000  0.002  1.0
  Ge  Ge40  1  0.330  0.330  0.002  1.0
  Ge  Ge41  1  0.000  0.670  0.002  1.0
[/CIF]
.