The material described by TbNi8Si3 is Bergman Structure: Mg32(Al,Zn)49 Bergman-like structured and crystallizes in the monoclinic C2/c space group. Tb(1) is bonded in a 22-coordinate geometry to two equivalent Ni(4), two equivalent Ni(5), four equivalent Ni(1), four equivalent Ni(2), four equivalent Ni(3), two equivalent Si(2), and four equivalent Si(1) atoms. There are five inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 12-coordinate geometry to two equivalent Tb(1), one Ni(1), one Ni(3), one Ni(4), one Ni(5), three equivalent Ni(2), one Si(2), and two equivalent Si(1) atoms. In the second Ni site, Ni(2) is bonded in a 12-coordinate geometry to two equivalent Tb(1), one Ni(2), one Ni(4), two equivalent Ni(3), three equivalent Ni(1), one Si(1), and two equivalent Si(2) atoms. In the third Ni site, Ni(3) is bonded in a 12-coordinate geometry to two equivalent Tb(1), one Ni(1), one Ni(3), one Ni(4), one Ni(5), two equivalent Ni(2), one Si(2), and three equivalent Si(1) atoms. In the fourth Ni site, Ni(4) is bonded in a 14-coordinate geometry to two equivalent Tb(1), two equivalent Ni(1), two equivalent Ni(2), two equivalent Ni(3), two equivalent Ni(5), two equivalent Si(1), and two equivalent Si(2) atoms. In the fifth Ni site, Ni(5) is bonded in a 10-coordinate geometry to two equivalent Tb(1), two equivalent Ni(1), two equivalent Ni(3), two equivalent Ni(4), and four equivalent Si(1) atoms. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded in a 12-coordinate geometry to two equivalent Tb(1), one Ni(2), one Ni(4), two equivalent Ni(1), two equivalent Ni(5), three equivalent Ni(3), and one Si(1) atom. In the second Si site, Si(2) is bonded in a 10-coordinate geometry to two equivalent Tb(1), two equivalent Ni(1), two equivalent Ni(3), two equivalent Ni(4), and four equivalent Ni(2) atoms. is represented by the CIF card [CIF]
data_TbSi3Ni8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.503
_cell_length_b   7.503
_cell_length_c   7.483
_cell_angle_alpha   80.275
_cell_angle_beta   80.275
_cell_angle_gamma   130.286
_symmetry_Int_Tables_number   1
_cell_volume   294.233
_cell_formula_units_Z   2
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
  Tb  Tb0  1  0.370  0.630  0.250  1.0
  Tb  Tb1  1  0.630  0.370  0.750  1.0
  Si  Si2  1  0.816  0.724  0.324  1.0
  Si  Si3  1  0.276  0.184  0.176  1.0
  Si  Si4  1  0.184  0.276  0.676  1.0
  Si  Si5  1  0.724  0.816  0.824  1.0
  Si  Si6  1  0.000  0.500  0.000  1.0
  Si  Si7  1  0.500  0.000  0.500  1.0
  Ni  Ni8  1  0.138  0.800  0.422  1.0
  Ni  Ni9  1  0.200  0.862  0.078  1.0
  Ni  Ni10  1  0.862  0.200  0.578  1.0
  Ni  Ni11  1  0.800  0.138  0.922  1.0
  Ni  Ni12  1  0.852  0.433  0.328  1.0
  Ni  Ni13  1  0.567  0.148  0.172  1.0
  Ni  Ni14  1  0.148  0.567  0.672  1.0
  Ni  Ni15  1  0.433  0.852  0.828  1.0
  Ni  Ni16  1  0.710  0.560  0.069  1.0
  Ni  Ni17  1  0.440  0.290  0.431  1.0
  Ni  Ni18  1  0.290  0.440  0.931  1.0
  Ni  Ni19  1  0.560  0.710  0.569  1.0
  Ni  Ni20  1  0.877  0.123  0.250  1.0
  Ni  Ni21  1  0.123  0.877  0.750  1.0
  Ni  Ni22  1  0.000  0.000  0.000  1.0
  Ni  Ni23  1  0.000  0.000  0.500  1.0
[/CIF]
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The material described by TbNi8Si3 is Bergman Structure: Mg32(Al,Zn)49 Bergman-like structured and crystallizes in the monoclinic C2/c space group. Tb(1) is bonded in a 22-coordinate geometry to two equivalent Ni(4), two equivalent Ni(5), four equivalent Ni(1), four equivalent Ni(2), four equivalent Ni(3), two equivalent Si(2), and four equivalent Si(1) atoms. There are five inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 12-coordinate geometry to two equivalent Tb(1), one Ni(1), one Ni(3), one Ni(4), one Ni(5), three equivalent Ni(2), one Si(2), and two equivalent Si(1) atoms. In the second Ni site, Ni(2) is bonded in a 12-coordinate geometry to two equivalent Tb(1), one Ni(2), one Ni(4), two equivalent Ni(3), three equivalent Ni(1), one Si(1), and two equivalent Si(2) atoms. In the third Ni site, Ni(3) is bonded in a 12-coordinate geometry to two equivalent Tb(1), one Ni(1), one Ni(3), one Ni(4), one Ni(5), two equivalent Ni(2), one Si(2), and three equivalent Si(1) atoms. In the fourth Ni site, Ni(4) is bonded in a 14-coordinate geometry to two equivalent Tb(1), two equivalent Ni(1), two equivalent Ni(2), two equivalent Ni(3), two equivalent Ni(5), two equivalent Si(1), and two equivalent Si(2) atoms. In the fifth Ni site, Ni(5) is bonded in a 10-coordinate geometry to two equivalent Tb(1), two equivalent Ni(1), two equivalent Ni(3), two equivalent Ni(4), and four equivalent Si(1) atoms. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded in a 12-coordinate geometry to two equivalent Tb(1), one Ni(2), one Ni(4), two equivalent Ni(1), two equivalent Ni(5), three equivalent Ni(3), and one Si(1) atom. In the second Si site, Si(2) is bonded in a 10-coordinate geometry to two equivalent Tb(1), two equivalent Ni(1), two equivalent Ni(3), two equivalent Ni(4), and four equivalent Ni(2) atoms. is represented by the CIF card [CIF]
data_TbSi3Ni8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.503
_cell_length_b   7.503
_cell_length_c   7.483
_cell_angle_alpha   80.275
_cell_angle_beta   80.275
_cell_angle_gamma   130.286
_symmetry_Int_Tables_number   1
_cell_volume   294.233
_cell_formula_units_Z   2
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
  Tb  Tb0  1  0.370  0.630  0.250  1.0
  Tb  Tb1  1  0.630  0.370  0.750  1.0
  Si  Si2  1  0.816  0.724  0.324  1.0
  Si  Si3  1  0.276  0.184  0.176  1.0
  Si  Si4  1  0.184  0.276  0.676  1.0
  Si  Si5  1  0.724  0.816  0.824  1.0
  Si  Si6  1  0.000  0.500  0.000  1.0
  Si  Si7  1  0.500  0.000  0.500  1.0
  Ni  Ni8  1  0.138  0.800  0.422  1.0
  Ni  Ni9  1  0.200  0.862  0.078  1.0
  Ni  Ni10  1  0.862  0.200  0.578  1.0
  Ni  Ni11  1  0.800  0.138  0.922  1.0
  Ni  Ni12  1  0.852  0.433  0.328  1.0
  Ni  Ni13  1  0.567  0.148  0.172  1.0
  Ni  Ni14  1  0.148  0.567  0.672  1.0
  Ni  Ni15  1  0.433  0.852  0.828  1.0
  Ni  Ni16  1  0.710  0.560  0.069  1.0
  Ni  Ni17  1  0.440  0.290  0.431  1.0
  Ni  Ni18  1  0.290  0.440  0.931  1.0
  Ni  Ni19  1  0.560  0.710  0.569  1.0
  Ni  Ni20  1  0.877  0.123  0.250  1.0
  Ni  Ni21  1  0.123  0.877  0.750  1.0
  Ni  Ni22  1  0.000  0.000  0.000  1.0
  Ni  Ni23  1  0.000  0.000  0.500  1.0
[/CIF]
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