The material structure described by Yb3Ge8 is Magnesium tetraboride-like structured and crystallizes in the triclinic P-1 space group. There are three inequivalent Yb sites. In the first Yb site, Yb(1) is bonded in a 10-coordinate geometry to one Ge(1), one Ge(4), two equivalent Ge(2), two equivalent Ge(3), two equivalent Ge(6), and two equivalent Ge(7) atoms. In the second Yb site, Yb(2) is bonded in a 11-coordinate geometry to one Ge(1), one Ge(2), one Ge(3), one Ge(4), one Ge(7), two equivalent Ge(5), two equivalent Ge(6), and two equivalent Ge(8) atoms. In the third Yb site, Yb(3) is bonded in a 11-coordinate geometry to one Ge(2), one Ge(5), one Ge(6), one Ge(7), one Ge(8), two equivalent Ge(1), two equivalent Ge(3), and two equivalent Ge(4) atoms. There are eight inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 7-coordinate geometry to one Yb(1), one Yb(2), two equivalent Yb(3), one Ge(1), one Ge(4), and one Ge(5) atom. In the second Ge site, Ge(2) is bonded in a 7-coordinate geometry to one Yb(2), one Yb(3), two equivalent Yb(1), one Ge(3), one Ge(5), and one Ge(7) atom. In the third Ge site, Ge(3) is bonded in a 8-coordinate geometry to one Yb(2), two equivalent Yb(1), two equivalent Yb(3), one Ge(2), one Ge(3), and one Ge(6) atom. In the fourth Ge site, Ge(4) is bonded in a 7-coordinate geometry to one Yb(1), one Yb(2), two equivalent Yb(3), one Ge(1), one Ge(4), and one Ge(8) atom. In the fifth Ge site, Ge(5) is bonded in a 7-coordinate geometry to one Yb(3), two equivalent Yb(2), one Ge(1), one Ge(2), one Ge(5), and one Ge(8) atom. In the sixth Ge site, Ge(6) is bonded in a 8-coordinate geometry to one Yb(3), two equivalent Yb(1), two equivalent Yb(2), one Ge(3), one Ge(6), and one Ge(7) atom. In the seventh Ge site, Ge(7) is bonded in a 8-coordinate geometry to one Yb(2), one Yb(3), two equivalent Yb(1), one Ge(2), one Ge(6), one Ge(7), and one Ge(8) atom. In the eighth Ge site, Ge(8) is bonded in a 7-coordinate geometry to one Yb(3), two equivalent Yb(2), one Ge(4), one Ge(5), one Ge(7), and one Ge(8) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Yb3Ge8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.356
_cell_length_b   7.502
_cell_length_c   10.379
_cell_angle_alpha   68.951
_cell_angle_beta   70.143
_cell_angle_gamma   64.116
_symmetry_Int_Tables_number   1
_cell_volume   469.361
_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  0.675  0.318  0.372  1.0
  Yb  Yb1  1  0.325  0.682  0.628  1.0
  Yb  Yb2  1  0.334  0.093  0.776  1.0
  Yb  Yb3  1  0.821  0.560  0.781  1.0
  Yb  Yb4  1  0.179  0.440  0.219  1.0
  Yb  Yb5  1  0.666  0.907  0.224  1.0
  Ge  Ge6  1  0.373  0.641  0.926  1.0
  Ge  Ge7  1  0.669  0.308  0.689  1.0
  Ge  Ge8  1  0.823  0.549  0.476  1.0
  Ge  Ge9  1  0.827  0.554  0.081  1.0
  Ge  Ge10  1  0.177  0.451  0.524  1.0
  Ge  Ge11  1  0.872  0.128  0.908  1.0
  Ge  Ge12  1  0.627  0.359  0.074  1.0
  Ge  Ge13  1  0.327  0.108  0.479  1.0
  Ge  Ge14  1  0.331  0.692  0.311  1.0
  Ge  Ge15  1  0.864  0.966  0.645  1.0
  Ge  Ge16  1  0.173  0.446  0.919  1.0
  Ge  Ge17  1  0.128  0.872  0.092  1.0
  Ge  Ge18  1  0.318  0.093  0.068  1.0
  Ge  Ge19  1  0.673  0.892  0.521  1.0
  Ge  Ge20  1  0.136  0.034  0.355  1.0
  Ge  Ge21  1  0.682  0.907  0.932  1.0
[/CIF]
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The material structure described by Yb3Ge8 is Magnesium tetraboride-like structured and crystallizes in the triclinic P-1 space group. There are three inequivalent Yb sites. In the first Yb site, Yb(1) is bonded in a 10-coordinate geometry to one Ge(1), one Ge(4), two equivalent Ge(2), two equivalent Ge(3), two equivalent Ge(6), and two equivalent Ge(7) atoms. In the second Yb site, Yb(2) is bonded in a 11-coordinate geometry to one Ge(1), one Ge(2), one Ge(3), one Ge(4), one Ge(7), two equivalent Ge(5), two equivalent Ge(6), and two equivalent Ge(8) atoms. In the third Yb site, Yb(3) is bonded in a 11-coordinate geometry to one Ge(2), one Ge(5), one Ge(6), one Ge(7), one Ge(8), two equivalent Ge(1), two equivalent Ge(3), and two equivalent Ge(4) atoms. There are eight inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 7-coordinate geometry to one Yb(1), one Yb(2), two equivalent Yb(3), one Ge(1), one Ge(4), and one Ge(5) atom. In the second Ge site, Ge(2) is bonded in a 7-coordinate geometry to one Yb(2), one Yb(3), two equivalent Yb(1), one Ge(3), one Ge(5), and one Ge(7) atom. In the third Ge site, Ge(3) is bonded in a 8-coordinate geometry to one Yb(2), two equivalent Yb(1), two equivalent Yb(3), one Ge(2), one Ge(3), and one Ge(6) atom. In the fourth Ge site, Ge(4) is bonded in a 7-coordinate geometry to one Yb(1), one Yb(2), two equivalent Yb(3), one Ge(1), one Ge(4), and one Ge(8) atom. In the fifth Ge site, Ge(5) is bonded in a 7-coordinate geometry to one Yb(3), two equivalent Yb(2), one Ge(1), one Ge(2), one Ge(5), and one Ge(8) atom. In the sixth Ge site, Ge(6) is bonded in a 8-coordinate geometry to one Yb(3), two equivalent Yb(1), two equivalent Yb(2), one Ge(3), one Ge(6), and one Ge(7) atom. In the seventh Ge site, Ge(7) is bonded in a 8-coordinate geometry to one Yb(2), one Yb(3), two equivalent Yb(1), one Ge(2), one Ge(6), one Ge(7), and one Ge(8) atom. In the eighth Ge site, Ge(8) is bonded in a 7-coordinate geometry to one Yb(3), two equivalent Yb(2), one Ge(4), one Ge(5), one Ge(7), and one Ge(8) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Yb3Ge8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.356
_cell_length_b   7.502
_cell_length_c   10.379
_cell_angle_alpha   68.951
_cell_angle_beta   70.143
_cell_angle_gamma   64.116
_symmetry_Int_Tables_number   1
_cell_volume   469.361
_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  0.675  0.318  0.372  1.0
  Yb  Yb1  1  0.325  0.682  0.628  1.0
  Yb  Yb2  1  0.334  0.093  0.776  1.0
  Yb  Yb3  1  0.821  0.560  0.781  1.0
  Yb  Yb4  1  0.179  0.440  0.219  1.0
  Yb  Yb5  1  0.666  0.907  0.224  1.0
  Ge  Ge6  1  0.373  0.641  0.926  1.0
  Ge  Ge7  1  0.669  0.308  0.689  1.0
  Ge  Ge8  1  0.823  0.549  0.476  1.0
  Ge  Ge9  1  0.827  0.554  0.081  1.0
  Ge  Ge10  1  0.177  0.451  0.524  1.0
  Ge  Ge11  1  0.872  0.128  0.908  1.0
  Ge  Ge12  1  0.627  0.359  0.074  1.0
  Ge  Ge13  1  0.327  0.108  0.479  1.0
  Ge  Ge14  1  0.331  0.692  0.311  1.0
  Ge  Ge15  1  0.864  0.966  0.645  1.0
  Ge  Ge16  1  0.173  0.446  0.919  1.0
  Ge  Ge17  1  0.128  0.872  0.092  1.0
  Ge  Ge18  1  0.318  0.093  0.068  1.0
  Ge  Ge19  1  0.673  0.892  0.521  1.0
  Ge  Ge20  1  0.136  0.034  0.355  1.0
  Ge  Ge21  1  0.682  0.907  0.932  1.0
[/CIF]
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