The crystal structure described by TbNi3Sn2 crystallizes in the hexagonal P-62m space group. There are two inequivalent Tb sites. In the first Tb site, Tb(1) is bonded in a 18-coordinate geometry to three equivalent Ni(2), six equivalent Ni(1), three equivalent Sn(1), and six equivalent Sn(2) atoms. In the second Tb site, Tb(2) is bonded in a 12-coordinate geometry to six equivalent Ni(1), six equivalent Ni(2), and six equivalent Sn(1) atoms. There are two inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 10-coordinate geometry to one Tb(2), two equivalent Tb(1), one Ni(1), two equivalent Ni(2), two equivalent Sn(1), and two equivalent Sn(2) atoms. In the second Ni site, Ni(2) is bonded in a 12-coordinate geometry to two equivalent Tb(1), two equivalent Tb(2), four equivalent Ni(1), two equivalent Sn(1), and two equivalent Sn(2) atoms. There are two inequivalent Sn sites. In the first Sn site, Sn(1) is bonded in a 8-coordinate geometry to two equivalent Tb(1), two equivalent Tb(2), two equivalent Ni(2), and four equivalent Ni(1) atoms. In the second Sn site, Sn(2) is bonded in a 10-coordinate geometry to four equivalent Tb(1), two equivalent Ni(2), and four equivalent Ni(1) atoms. is represented by the CIF card [CIF]
data_TbNi3Sn2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.240
_cell_length_b   9.286
_cell_length_c   9.286
_cell_angle_alpha   60.062
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   316.763
_cell_formula_units_Z   3
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  0.500  0.333  0.333  1.0
  Tb  Tb1  1  0.500  0.667  0.667  1.0
  Tb  Tb2  1  0.000  0.000  1.000  1.0
  Ni  Ni3  1  0.000  0.204  0.169  1.0
  Ni  Ni4  1  0.000  0.168  0.627  1.0
  Ni  Ni5  1  0.000  0.627  0.204  1.0
  Ni  Ni6  1  0.000  0.831  0.796  1.0
  Ni  Ni7  1  0.000  0.373  0.832  1.0
  Ni  Ni8  1  0.000  0.796  0.373  1.0
  Ni  Ni9  1  0.500  0.298  0.702  1.0
  Ni  Ni10  1  0.500  0.702  1.000  1.0
  Ni  Ni11  1  0.500  0.000  0.298  1.0
  Sn  Sn12  1  0.500  0.747  0.253  1.0
  Sn  Sn13  1  0.500  0.253  1.000  1.0
  Sn  Sn14  1  0.500  0.000  0.747  1.0
  Sn  Sn15  1  0.000  0.473  0.527  1.0
  Sn  Sn16  1  0.000  0.527  0.000  1.0
  Sn  Sn17  1  0.000  1.000  0.473  1.0
[/CIF]
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The crystal structure described by TbNi3Sn2 crystallizes in the hexagonal P-62m space group. There are two inequivalent Tb sites. In the first Tb site, Tb(1) is bonded in a 18-coordinate geometry to three equivalent Ni(2), six equivalent Ni(1), three equivalent Sn(1), and six equivalent Sn(2) atoms. In the second Tb site, Tb(2) is bonded in a 12-coordinate geometry to six equivalent Ni(1), six equivalent Ni(2), and six equivalent Sn(1) atoms. There are two inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 10-coordinate geometry to one Tb(2), two equivalent Tb(1), one Ni(1), two equivalent Ni(2), two equivalent Sn(1), and two equivalent Sn(2) atoms. In the second Ni site, Ni(2) is bonded in a 12-coordinate geometry to two equivalent Tb(1), two equivalent Tb(2), four equivalent Ni(1), two equivalent Sn(1), and two equivalent Sn(2) atoms. There are two inequivalent Sn sites. In the first Sn site, Sn(1) is bonded in a 8-coordinate geometry to two equivalent Tb(1), two equivalent Tb(2), two equivalent Ni(2), and four equivalent Ni(1) atoms. In the second Sn site, Sn(2) is bonded in a 10-coordinate geometry to four equivalent Tb(1), two equivalent Ni(2), and four equivalent Ni(1) atoms. is represented by the CIF card [CIF]
data_TbNi3Sn2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.240
_cell_length_b   9.286
_cell_length_c   9.286
_cell_angle_alpha   60.062
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   316.763
_cell_formula_units_Z   3
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  0.500  0.333  0.333  1.0
  Tb  Tb1  1  0.500  0.667  0.667  1.0
  Tb  Tb2  1  0.000  0.000  1.000  1.0
  Ni  Ni3  1  0.000  0.204  0.169  1.0
  Ni  Ni4  1  0.000  0.168  0.627  1.0
  Ni  Ni5  1  0.000  0.627  0.204  1.0
  Ni  Ni6  1  0.000  0.831  0.796  1.0
  Ni  Ni7  1  0.000  0.373  0.832  1.0
  Ni  Ni8  1  0.000  0.796  0.373  1.0
  Ni  Ni9  1  0.500  0.298  0.702  1.0
  Ni  Ni10  1  0.500  0.702  1.000  1.0
  Ni  Ni11  1  0.500  0.000  0.298  1.0
  Sn  Sn12  1  0.500  0.747  0.253  1.0
  Sn  Sn13  1  0.500  0.253  1.000  1.0
  Sn  Sn14  1  0.500  0.000  0.747  1.0
  Sn  Sn15  1  0.000  0.473  0.527  1.0
  Sn  Sn16  1  0.000  0.527  0.000  1.0
  Sn  Sn17  1  0.000  1.000  0.473  1.0
[/CIF]
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