The material structure described by YbNiSi2 crystallizes in the orthorhombic Cmcm space group. Yb(1) is bonded in a 14-coordinate geometry to four equivalent Ni(1), four equivalent Si(2), and six equivalent Si(1) atoms. Ni(1) is bonded in a 9-coordinate geometry to four equivalent Yb(1), one Si(1), and four equivalent Si(2) atoms. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded in a 9-coordinate geometry to six equivalent Yb(1), one Ni(1), and two equivalent Si(1) atoms. In the second Si site, Si(2) is bonded in a 12-coordinate geometry to four equivalent Yb(1), four equivalent Ni(1), and four equivalent Si(2) atoms. is represented by the CIF card [CIF]
data_YbSi2Ni
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.639
_cell_length_b   8.639
_cell_length_c   3.856
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   26.732
_symmetry_Int_Tables_number   1
_cell_volume   129.431
_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
  Yb  Yb0  1  0.111  0.111  0.250  1.0
  Yb  Yb1  1  0.889  0.889  0.750  1.0
  Si  Si2  1  0.460  0.460  0.250  1.0
  Si  Si3  1  0.540  0.540  0.750  1.0
  Si  Si4  1  0.750  0.750  0.250  1.0
  Si  Si5  1  0.250  0.250  0.750  1.0
  Ni  Ni6  1  0.325  0.325  0.250  1.0
  Ni  Ni7  1  0.675  0.675  0.750  1.0
[/CIF]
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The material structure described by YbNiSi2 crystallizes in the orthorhombic Cmcm space group. Yb(1) is bonded in a 14-coordinate geometry to four equivalent Ni(1), four equivalent Si(2), and six equivalent Si(1) atoms. Ni(1) is bonded in a 9-coordinate geometry to four equivalent Yb(1), one Si(1), and four equivalent Si(2) atoms. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded in a 9-coordinate geometry to six equivalent Yb(1), one Ni(1), and two equivalent Si(1) atoms. In the second Si site, Si(2) is bonded in a 12-coordinate geometry to four equivalent Yb(1), four equivalent Ni(1), and four equivalent Si(2) atoms. is represented by the CIF card [CIF]
data_YbSi2Ni
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.639
_cell_length_b   8.639
_cell_length_c   3.856
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   26.732
_symmetry_Int_Tables_number   1
_cell_volume   129.431
_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
  Yb  Yb0  1  0.111  0.111  0.250  1.0
  Yb  Yb1  1  0.889  0.889  0.750  1.0
  Si  Si2  1  0.460  0.460  0.250  1.0
  Si  Si3  1  0.540  0.540  0.750  1.0
  Si  Si4  1  0.750  0.750  0.250  1.0
  Si  Si5  1  0.250  0.250  0.750  1.0
  Ni  Ni6  1  0.325  0.325  0.250  1.0
  Ni  Ni7  1  0.675  0.675  0.750  1.0
[/CIF]
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