The structure described by Ho4RuGe8 crystallizes in the orthorhombic Pmm2 space group. There are four inequivalent Ho sites. In the first Ho site, Ho(1) is bonded in a 10-coordinate geometry to two equivalent Ge(2), two equivalent Ge(5), two equivalent Ge(7), and four equivalent Ge(3) atoms. In the second Ho site, Ho(2) is bonded in a 10-coordinate geometry to two equivalent Ge(1), two equivalent Ge(6), two equivalent Ge(8), and four equivalent Ge(4) atoms. In the third Ho site, Ho(3) is bonded in a 14-coordinate geometry to four equivalent Ru(1), two equivalent Ge(4), two equivalent Ge(5), two equivalent Ge(7), and four equivalent Ge(1) atoms. In the fourth Ho site, Ho(4) is bonded in a 10-coordinate geometry to two equivalent Ge(3), two equivalent Ge(6), two equivalent Ge(8), and four equivalent Ge(2) atoms. Ru(1) is bonded in a 9-coordinate geometry to four equivalent Ho(3), one Ge(1), two equivalent Ge(5), and two equivalent Ge(7) atoms. There are eight inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to two equivalent Ho(2), four equivalent Ho(3), one Ru(1), and two equivalent Ge(4) atoms. In the second Ge site, Ge(2) is bonded in a 8-coordinate geometry to two equivalent Ho(1), four equivalent Ho(4), and two equivalent Ge(3) atoms. In the third Ge site, Ge(3) is bonded in a 8-coordinate geometry to two equivalent Ho(4), four equivalent Ho(1), and two equivalent Ge(2) atoms. In the fourth Ge site, Ge(4) is bonded in a 8-coordinate geometry to two equivalent Ho(3), four equivalent Ho(2), and two equivalent Ge(1) atoms. In the fifth Ge site, Ge(5) is bonded in a 4-coordinate geometry to two equivalent Ho(1), two equivalent Ho(3), and two equivalent Ru(1) atoms. In the sixth Ge site, Ge(6) is bonded in a 8-coordinate geometry to two equivalent Ho(2), two equivalent Ho(4), and four equivalent Ge(8) atoms. In the seventh Ge site, Ge(7) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Ho(1), two equivalent Ho(3), and two equivalent Ru(1) atoms. In the eighth Ge site, Ge(8) is bonded in a 8-coordinate geometry to two equivalent Ho(2), two equivalent Ho(4), and four equivalent Ge(6) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ho4Ge8Ru
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.006
_cell_length_b   4.160
_cell_length_c   16.109
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   268.474
_cell_formula_units_Z   1
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
  Ho  Ho0  1  0.250  0.000  0.099  1.0
  Ho  Ho1  1  0.250  0.500  0.609  1.0
  Ho  Ho2  1  0.750  0.500  0.400  1.0
  Ho  Ho3  1  0.750  0.000  0.895  1.0
  Ge  Ge4  1  0.250  0.000  0.462  1.0
  Ge  Ge5  1  0.250  0.500  0.945  1.0
  Ge  Ge6  1  0.750  0.500  0.053  1.0
  Ge  Ge7  1  0.750  0.000  0.563  1.0
  Ge  Ge8  1  0.250  0.500  0.230  1.0
  Ge  Ge9  1  0.250  0.000  0.749  1.0
  Ge  Ge10  1  0.750  0.000  0.230  1.0
  Ge  Ge11  1  0.750  0.500  0.753  1.0
  Ru  Ru12  1  0.250  0.000  0.312  1.0
[/CIF]
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The structure described by Ho4RuGe8 crystallizes in the orthorhombic Pmm2 space group. There are four inequivalent Ho sites. In the first Ho site, Ho(1) is bonded in a 10-coordinate geometry to two equivalent Ge(2), two equivalent Ge(5), two equivalent Ge(7), and four equivalent Ge(3) atoms. In the second Ho site, Ho(2) is bonded in a 10-coordinate geometry to two equivalent Ge(1), two equivalent Ge(6), two equivalent Ge(8), and four equivalent Ge(4) atoms. In the third Ho site, Ho(3) is bonded in a 14-coordinate geometry to four equivalent Ru(1), two equivalent Ge(4), two equivalent Ge(5), two equivalent Ge(7), and four equivalent Ge(1) atoms. In the fourth Ho site, Ho(4) is bonded in a 10-coordinate geometry to two equivalent Ge(3), two equivalent Ge(6), two equivalent Ge(8), and four equivalent Ge(2) atoms. Ru(1) is bonded in a 9-coordinate geometry to four equivalent Ho(3), one Ge(1), two equivalent Ge(5), and two equivalent Ge(7) atoms. There are eight inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to two equivalent Ho(2), four equivalent Ho(3), one Ru(1), and two equivalent Ge(4) atoms. In the second Ge site, Ge(2) is bonded in a 8-coordinate geometry to two equivalent Ho(1), four equivalent Ho(4), and two equivalent Ge(3) atoms. In the third Ge site, Ge(3) is bonded in a 8-coordinate geometry to two equivalent Ho(4), four equivalent Ho(1), and two equivalent Ge(2) atoms. In the fourth Ge site, Ge(4) is bonded in a 8-coordinate geometry to two equivalent Ho(3), four equivalent Ho(2), and two equivalent Ge(1) atoms. In the fifth Ge site, Ge(5) is bonded in a 4-coordinate geometry to two equivalent Ho(1), two equivalent Ho(3), and two equivalent Ru(1) atoms. In the sixth Ge site, Ge(6) is bonded in a 8-coordinate geometry to two equivalent Ho(2), two equivalent Ho(4), and four equivalent Ge(8) atoms. In the seventh Ge site, Ge(7) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Ho(1), two equivalent Ho(3), and two equivalent Ru(1) atoms. In the eighth Ge site, Ge(8) is bonded in a 8-coordinate geometry to two equivalent Ho(2), two equivalent Ho(4), and four equivalent Ge(6) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ho4Ge8Ru
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.006
_cell_length_b   4.160
_cell_length_c   16.109
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   268.474
_cell_formula_units_Z   1
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
  Ho  Ho0  1  0.250  0.000  0.099  1.0
  Ho  Ho1  1  0.250  0.500  0.609  1.0
  Ho  Ho2  1  0.750  0.500  0.400  1.0
  Ho  Ho3  1  0.750  0.000  0.895  1.0
  Ge  Ge4  1  0.250  0.000  0.462  1.0
  Ge  Ge5  1  0.250  0.500  0.945  1.0
  Ge  Ge6  1  0.750  0.500  0.053  1.0
  Ge  Ge7  1  0.750  0.000  0.563  1.0
  Ge  Ge8  1  0.250  0.500  0.230  1.0
  Ge  Ge9  1  0.250  0.000  0.749  1.0
  Ge  Ge10  1  0.750  0.000  0.230  1.0
  Ge  Ge11  1  0.750  0.500  0.753  1.0
  Ru  Ru12  1  0.250  0.000  0.312  1.0
[/CIF]
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