The material described by Ni3Si2Zn crystallizes in the triclinic P1 space group. There are twelve inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 7-coordinate geometry to one Zn(1), two equivalent Zn(4), one Si(3), one Si(4), and two equivalent Si(6) atoms. In the second Ni site, Ni(2) is bonded in a 7-coordinate geometry to two equivalent Ni(5), one Zn(2), one Si(4), one Si(5), two equivalent Si(1), and two equivalent Si(7) atoms. In the third Ni site, Ni(3) is bonded in a 7-coordinate geometry to one Zn(3), one Si(3), one Si(5), two equivalent Si(2), and two equivalent Si(8) atoms. In the fourth Ni site, Ni(4) is bonded in a 7-coordinate geometry to one Zn(4), two equivalent Zn(1), one Si(6), one Si(8), and two equivalent Si(3) atoms. In the fifth Ni site, Ni(5) is bonded in a 13-coordinate geometry to one Ni(7), one Ni(8), two equivalent Ni(11), two equivalent Ni(2), two equivalent Zn(2), one Si(1), one Si(6), one Si(7), and two equivalent Si(4) atoms. In the sixth Ni site, Ni(6) is bonded in a 7-coordinate geometry to two equivalent Zn(3), one Si(2), one Si(7), one Si(8), and two equivalent Si(5) atoms. In the seventh Ni site, Ni(7) is bonded in a 7-coordinate geometry to one Ni(5), one Zn(1), one Zn(2), two equivalent Zn(4), one Si(4), and two equivalent Si(6) atoms. In the eighth Ni site, Ni(8) is bonded in a 7-coordinate geometry to one Ni(5), one Zn(2), one Zn(3), one Si(5), two equivalent Si(1), and two equivalent Si(7) atoms. In the ninth Ni site, Ni(9) is bonded in a 7-coordinate geometry to one Zn(1), one Zn(3), one Si(3), two equivalent Si(2), and two equivalent Si(8) atoms. In the tenth Ni site, Ni(10) is bonded in a 7-coordinate geometry to one Zn(4), two equivalent Zn(1), one Si(2), one Si(8), and two equivalent Si(3) atoms. In the eleventh Ni site, Ni(11) is bonded in a 7-coordinate geometry to two equivalent Ni(5), one Zn(4), two equivalent Zn(2), one Si(1), one Si(6), and two equivalent Si(4) atoms. In the twelfth Ni site, Ni(12) is bonded in a 7-coordinate geometry to two equivalent Zn(3), one Si(1), one Si(2), one Si(7), and two equivalent Si(5) atoms. There are four inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 13-coordinate geometry to one Ni(1), one Ni(7), one Ni(9), two equivalent Ni(10), two equivalent Ni(4), two equivalent Zn(4), one Si(6), one Si(8), and two equivalent Si(3) atoms. In the second Zn site, Zn(2) is bonded in a 13-coordinate geometry to one Ni(2), one Ni(7), one Ni(8), two equivalent Ni(11), two equivalent Ni(5), one Si(6), one Si(7), two equivalent Si(1), and two equivalent Si(4) atoms. In the third Zn site, Zn(3) is bonded in a 13-coordinate geometry to one Ni(3), one Ni(8), one Ni(9), two equivalent Ni(12), two equivalent Ni(6), one Si(7), one Si(8), two equivalent Si(2), and two equivalent Si(5) atoms. In the fourth Zn site, Zn(4) is bonded in a 13-coordinate geometry to one Ni(10), one Ni(11), one Ni(4), two equivalent Ni(1), two equivalent Ni(7), two equivalent Zn(1), one Si(3), one Si(4), and two equivalent Si(6) atoms. There are eight inequivalent Si sites. In the first Si site, Si(1) is bonded in a 9-coordinate geometry to one Ni(11), one Ni(12), one Ni(5), two equivalent Ni(2), two equivalent Ni(8), and two equivalent Zn(2) atoms. In the second Si site, Si(2) is bonded in a 9-coordinate geometry to one Ni(10), one Ni(12), one Ni(6), two equivalent Ni(3), two equivalent Ni(9), and two equivalent Zn(3) atoms. In the third Si site, Si(3) is bonded in a 10-coordinate geometry to one Ni(1), one Ni(3), one Ni(9), two equivalent Ni(10), two equivalent Ni(4), one Zn(4), and two equivalent Zn(1) atoms. In the fourth Si site, Si(4) is bonded in a 10-coordinate geometry to one Ni(1), one Ni(2), one Ni(7), two equivalent Ni(11), two equivalent Ni(5), one Zn(4), and two equivalent Zn(2) atoms. In the fifth Si site, Si(5) is bonded in a 9-coordinate geometry to one Ni(2), one Ni(3), one Ni(8), two equivalent Ni(12), two equivalent Ni(6), and two equivalent Zn(3) atoms. In the sixth Si site, Si(6) is bonded in a 11-coordinate geometry to one Ni(11), one Ni(4), one Ni(5), two equivalent Ni(1), two equivalent Ni(7), one Zn(1), one Zn(2), and two equivalent Zn(4) atoms. In the seventh Si site, Si(7) is bonded in a 9-coordinate geometry to one Ni(12), one Ni(5), one Ni(6), two equivalent Ni(2), two equivalent Ni(8), one Zn(2), and one Zn(3) atom. In the eighth Si site, Si(8) is bonded in a 9-coordinate geometry to one Ni(10), one Ni(4), one Ni(6), two equivalent Ni(3), two equivalent Ni(9), one Zn(1), and one Zn(3) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_ZnSi2Ni3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.539
_cell_length_b   4.557
_cell_length_c   13.599
_cell_angle_alpha   88.709
_cell_angle_beta   89.438
_cell_angle_gamma   89.136
_symmetry_Int_Tables_number   1
_cell_volume   281.199
_cell_formula_units_Z   4
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
  Zn  Zn0  1  0.350  0.831  0.119  1.0
  Zn  Zn1  1  0.348  0.852  0.450  1.0
  Zn  Zn2  1  0.348  0.849  0.782  1.0
  Zn  Zn3  1  0.847  0.667  0.216  1.0
  Si  Si4  1  0.845  0.666  0.550  1.0
  Si  Si5  1  0.846  0.662  0.882  1.0
  Si  Si6  1  0.657  0.347  0.056  1.0
  Si  Si7  1  0.654  0.351  0.385  1.0
  Si  Si8  1  0.650  0.344  0.720  1.0
  Si  Si9  1  0.154  0.146  0.280  1.0
  Si  Si10  1  0.163  0.148  0.616  1.0
  Si  Si11  1  0.168  0.148  0.948  1.0
  Ni  Ni12  1  0.641  0.161  0.219  1.0
  Ni  Ni13  1  0.655  0.161  0.551  1.0
  Ni  Ni14  1  0.656  0.160  0.883  1.0
  Ni  Ni15  1  0.141  0.336  0.114  1.0
  Ni  Ni16  1  0.128  0.358  0.454  1.0
  Ni  Ni17  1  0.131  0.355  0.785  1.0
  Ni  Ni18  1  0.346  0.625  0.291  1.0
  Ni  Ni19  1  0.354  0.628  0.619  1.0
  Ni  Ni20  1  0.357  0.627  0.951  1.0
  Ni  Ni21  1  0.855  0.857  0.037  1.0
  Ni  Ni22  1  0.853  0.868  0.384  1.0
  Ni  Ni23  1  0.853  0.853  0.709  1.0
[/CIF]
.
The material described by Ni3Si2Zn crystallizes in the triclinic P1 space group. There are twelve inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 7-coordinate geometry to one Zn(1), two equivalent Zn(4), one Si(3), one Si(4), and two equivalent Si(6) atoms. In the second Ni site, Ni(2) is bonded in a 7-coordinate geometry to two equivalent Ni(5), one Zn(2), one Si(4), one Si(5), two equivalent Si(1), and two equivalent Si(7) atoms. In the third Ni site, Ni(3) is bonded in a 7-coordinate geometry to one Zn(3), one Si(3), one Si(5), two equivalent Si(2), and two equivalent Si(8) atoms. In the fourth Ni site, Ni(4) is bonded in a 7-coordinate geometry to one Zn(4), two equivalent Zn(1), one Si(6), one Si(8), and two equivalent Si(3) atoms. In the fifth Ni site, Ni(5) is bonded in a 13-coordinate geometry to one Ni(7), one Ni(8), two equivalent Ni(11), two equivalent Ni(2), two equivalent Zn(2), one Si(1), one Si(6), one Si(7), and two equivalent Si(4) atoms. In the sixth Ni site, Ni(6) is bonded in a 7-coordinate geometry to two equivalent Zn(3), one Si(2), one Si(7), one Si(8), and two equivalent Si(5) atoms. In the seventh Ni site, Ni(7) is bonded in a 7-coordinate geometry to one Ni(5), one Zn(1), one Zn(2), two equivalent Zn(4), one Si(4), and two equivalent Si(6) atoms. In the eighth Ni site, Ni(8) is bonded in a 7-coordinate geometry to one Ni(5), one Zn(2), one Zn(3), one Si(5), two equivalent Si(1), and two equivalent Si(7) atoms. In the ninth Ni site, Ni(9) is bonded in a 7-coordinate geometry to one Zn(1), one Zn(3), one Si(3), two equivalent Si(2), and two equivalent Si(8) atoms. In the tenth Ni site, Ni(10) is bonded in a 7-coordinate geometry to one Zn(4), two equivalent Zn(1), one Si(2), one Si(8), and two equivalent Si(3) atoms. In the eleventh Ni site, Ni(11) is bonded in a 7-coordinate geometry to two equivalent Ni(5), one Zn(4), two equivalent Zn(2), one Si(1), one Si(6), and two equivalent Si(4) atoms. In the twelfth Ni site, Ni(12) is bonded in a 7-coordinate geometry to two equivalent Zn(3), one Si(1), one Si(2), one Si(7), and two equivalent Si(5) atoms. There are four inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 13-coordinate geometry to one Ni(1), one Ni(7), one Ni(9), two equivalent Ni(10), two equivalent Ni(4), two equivalent Zn(4), one Si(6), one Si(8), and two equivalent Si(3) atoms. In the second Zn site, Zn(2) is bonded in a 13-coordinate geometry to one Ni(2), one Ni(7), one Ni(8), two equivalent Ni(11), two equivalent Ni(5), one Si(6), one Si(7), two equivalent Si(1), and two equivalent Si(4) atoms. In the third Zn site, Zn(3) is bonded in a 13-coordinate geometry to one Ni(3), one Ni(8), one Ni(9), two equivalent Ni(12), two equivalent Ni(6), one Si(7), one Si(8), two equivalent Si(2), and two equivalent Si(5) atoms. In the fourth Zn site, Zn(4) is bonded in a 13-coordinate geometry to one Ni(10), one Ni(11), one Ni(4), two equivalent Ni(1), two equivalent Ni(7), two equivalent Zn(1), one Si(3), one Si(4), and two equivalent Si(6) atoms. There are eight inequivalent Si sites. In the first Si site, Si(1) is bonded in a 9-coordinate geometry to one Ni(11), one Ni(12), one Ni(5), two equivalent Ni(2), two equivalent Ni(8), and two equivalent Zn(2) atoms. In the second Si site, Si(2) is bonded in a 9-coordinate geometry to one Ni(10), one Ni(12), one Ni(6), two equivalent Ni(3), two equivalent Ni(9), and two equivalent Zn(3) atoms. In the third Si site, Si(3) is bonded in a 10-coordinate geometry to one Ni(1), one Ni(3), one Ni(9), two equivalent Ni(10), two equivalent Ni(4), one Zn(4), and two equivalent Zn(1) atoms. In the fourth Si site, Si(4) is bonded in a 10-coordinate geometry to one Ni(1), one Ni(2), one Ni(7), two equivalent Ni(11), two equivalent Ni(5), one Zn(4), and two equivalent Zn(2) atoms. In the fifth Si site, Si(5) is bonded in a 9-coordinate geometry to one Ni(2), one Ni(3), one Ni(8), two equivalent Ni(12), two equivalent Ni(6), and two equivalent Zn(3) atoms. In the sixth Si site, Si(6) is bonded in a 11-coordinate geometry to one Ni(11), one Ni(4), one Ni(5), two equivalent Ni(1), two equivalent Ni(7), one Zn(1), one Zn(2), and two equivalent Zn(4) atoms. In the seventh Si site, Si(7) is bonded in a 9-coordinate geometry to one Ni(12), one Ni(5), one Ni(6), two equivalent Ni(2), two equivalent Ni(8), one Zn(2), and one Zn(3) atom. In the eighth Si site, Si(8) is bonded in a 9-coordinate geometry to one Ni(10), one Ni(4), one Ni(6), two equivalent Ni(3), two equivalent Ni(9), one Zn(1), and one Zn(3) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_ZnSi2Ni3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.539
_cell_length_b   4.557
_cell_length_c   13.599
_cell_angle_alpha   88.709
_cell_angle_beta   89.438
_cell_angle_gamma   89.136
_symmetry_Int_Tables_number   1
_cell_volume   281.199
_cell_formula_units_Z   4
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
  Zn  Zn0  1  0.350  0.831  0.119  1.0
  Zn  Zn1  1  0.348  0.852  0.450  1.0
  Zn  Zn2  1  0.348  0.849  0.782  1.0
  Zn  Zn3  1  0.847  0.667  0.216  1.0
  Si  Si4  1  0.845  0.666  0.550  1.0
  Si  Si5  1  0.846  0.662  0.882  1.0
  Si  Si6  1  0.657  0.347  0.056  1.0
  Si  Si7  1  0.654  0.351  0.385  1.0
  Si  Si8  1  0.650  0.344  0.720  1.0
  Si  Si9  1  0.154  0.146  0.280  1.0
  Si  Si10  1  0.163  0.148  0.616  1.0
  Si  Si11  1  0.168  0.148  0.948  1.0
  Ni  Ni12  1  0.641  0.161  0.219  1.0
  Ni  Ni13  1  0.655  0.161  0.551  1.0
  Ni  Ni14  1  0.656  0.160  0.883  1.0
  Ni  Ni15  1  0.141  0.336  0.114  1.0
  Ni  Ni16  1  0.128  0.358  0.454  1.0
  Ni  Ni17  1  0.131  0.355  0.785  1.0
  Ni  Ni18  1  0.346  0.625  0.291  1.0
  Ni  Ni19  1  0.354  0.628  0.619  1.0
  Ni  Ni20  1  0.357  0.627  0.951  1.0
  Ni  Ni21  1  0.855  0.857  0.037  1.0
  Ni  Ni22  1  0.853  0.868  0.384  1.0
  Ni  Ni23  1  0.853  0.853  0.709  1.0
[/CIF]
.