The compound described by Be8Ru crystallizes in the hexagonal P-6m2 space group. There are six inequivalent Be sites. In the first Be site, Be(1) is bonded to three equivalent Be(2), three equivalent Be(4), three equivalent Be(6), and three equivalent Ru(1) atoms to form distorted BeBe9Ru3 cuboctahedra that share corners with six equivalent Be(4)Be10Ru2 cuboctahedra, edges with six equivalent Be(1)Be9Ru3 cuboctahedra,  a faceface with one Be(1)Be9Ru3 cuboctahedra, and faces with nine equivalent Be(4)Be10Ru2 cuboctahedra. In the second Be site, Be(2) is bonded in a distorted q6 geometry to one Be(1), one Be(5), one Be(6), two equivalent Be(3), four equivalent Be(2), and two equivalent Ru(1) atoms. In the third Be site, Be(3) is bonded in a 8-coordinate geometry to one Be(3), three equivalent Be(5), six equivalent Be(2), and one Ru(1) atom. In the fourth Be site, Be(4) is bonded to two equivalent Be(1), four equivalent Be(4), four equivalent Be(6), and two equivalent Ru(1) atoms to form distorted BeBe10Ru2 cuboctahedra that share corners with four equivalent Be(4)Be10Ru2 cuboctahedra, corners with four equivalent Be(1)Be9Ru3 cuboctahedra, edges with two equivalent Be(4)Be10Ru2 cuboctahedra, faces with six equivalent Be(1)Be9Ru3 cuboctahedra, and faces with eight equivalent Be(4)Be10Ru2 cuboctahedra. In the fifth Be site, Be(5) is bonded in a 12-coordinate geometry to six equivalent Be(2) and six equivalent Be(3) atoms. In the sixth Be site, Be(6) is bonded in a 3-coordinate geometry to three equivalent Be(1), three equivalent Be(2), six equivalent Be(4), and three equivalent Ru(1) atoms. Ru(1) is bonded in a 16-coordinate geometry to one Be(3), three equivalent Be(1), three equivalent Be(4), three equivalent Be(6), and six equivalent Be(2) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Be8Ru
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.162
_cell_length_b   4.162
_cell_length_c   10.979
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   164.735
_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
  Be  Be0  1  0.667  0.333  0.656  1.0
  Be  Be1  1  0.667  0.333  0.344  1.0
  Be  Be2  1  0.834  0.166  0.817  1.0
  Be  Be3  1  0.834  0.667  0.817  1.0
  Be  Be4  1  0.333  0.166  0.817  1.0
  Be  Be5  1  0.834  0.166  0.183  1.0
  Be  Be6  1  0.834  0.667  0.183  1.0
  Be  Be7  1  0.333  0.166  0.183  1.0
  Be  Be8  1  0.333  0.667  0.903  1.0
  Be  Be9  1  0.333  0.667  0.097  1.0
  Be  Be10  1  0.496  0.504  0.500  1.0
  Be  Be11  1  0.496  0.991  0.500  1.0
  Be  Be12  1  0.009  0.504  0.500  1.0
  Be  Be13  1  0.667  0.333  0.000  1.0
  Be  Be14  1  0.000  0.000  0.626  1.0
  Be  Be15  1  0.000  0.000  0.374  1.0
  Ru  Ru16  1  0.333  0.667  0.693  1.0
  Ru  Ru17  1  0.333  0.667  0.307  1.0
[/CIF]
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The compound described by Be8Ru crystallizes in the hexagonal P-6m2 space group. There are six inequivalent Be sites. In the first Be site, Be(1) is bonded to three equivalent Be(2), three equivalent Be(4), three equivalent Be(6), and three equivalent Ru(1) atoms to form distorted BeBe9Ru3 cuboctahedra that share corners with six equivalent Be(4)Be10Ru2 cuboctahedra, edges with six equivalent Be(1)Be9Ru3 cuboctahedra,  a faceface with one Be(1)Be9Ru3 cuboctahedra, and faces with nine equivalent Be(4)Be10Ru2 cuboctahedra. In the second Be site, Be(2) is bonded in a distorted q6 geometry to one Be(1), one Be(5), one Be(6), two equivalent Be(3), four equivalent Be(2), and two equivalent Ru(1) atoms. In the third Be site, Be(3) is bonded in a 8-coordinate geometry to one Be(3), three equivalent Be(5), six equivalent Be(2), and one Ru(1) atom. In the fourth Be site, Be(4) is bonded to two equivalent Be(1), four equivalent Be(4), four equivalent Be(6), and two equivalent Ru(1) atoms to form distorted BeBe10Ru2 cuboctahedra that share corners with four equivalent Be(4)Be10Ru2 cuboctahedra, corners with four equivalent Be(1)Be9Ru3 cuboctahedra, edges with two equivalent Be(4)Be10Ru2 cuboctahedra, faces with six equivalent Be(1)Be9Ru3 cuboctahedra, and faces with eight equivalent Be(4)Be10Ru2 cuboctahedra. In the fifth Be site, Be(5) is bonded in a 12-coordinate geometry to six equivalent Be(2) and six equivalent Be(3) atoms. In the sixth Be site, Be(6) is bonded in a 3-coordinate geometry to three equivalent Be(1), three equivalent Be(2), six equivalent Be(4), and three equivalent Ru(1) atoms. Ru(1) is bonded in a 16-coordinate geometry to one Be(3), three equivalent Be(1), three equivalent Be(4), three equivalent Be(6), and six equivalent Be(2) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Be8Ru
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.162
_cell_length_b   4.162
_cell_length_c   10.979
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   164.735
_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
  Be  Be0  1  0.667  0.333  0.656  1.0
  Be  Be1  1  0.667  0.333  0.344  1.0
  Be  Be2  1  0.834  0.166  0.817  1.0
  Be  Be3  1  0.834  0.667  0.817  1.0
  Be  Be4  1  0.333  0.166  0.817  1.0
  Be  Be5  1  0.834  0.166  0.183  1.0
  Be  Be6  1  0.834  0.667  0.183  1.0
  Be  Be7  1  0.333  0.166  0.183  1.0
  Be  Be8  1  0.333  0.667  0.903  1.0
  Be  Be9  1  0.333  0.667  0.097  1.0
  Be  Be10  1  0.496  0.504  0.500  1.0
  Be  Be11  1  0.496  0.991  0.500  1.0
  Be  Be12  1  0.009  0.504  0.500  1.0
  Be  Be13  1  0.667  0.333  0.000  1.0
  Be  Be14  1  0.000  0.000  0.626  1.0
  Be  Be15  1  0.000  0.000  0.374  1.0
  Ru  Ru16  1  0.333  0.667  0.693  1.0
  Ru  Ru17  1  0.333  0.667  0.307  1.0
[/CIF]
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