The material described by Al13Ru4 crystallizes in the monoclinic C2/m space group. There are five inequivalent Ru sites. In the first Ru site, Ru(1) is bonded in a 11-coordinate geometry to one Al(10), one Al(3), one Al(5), two equivalent Al(13), two equivalent Al(14), two equivalent Al(15), and two equivalent Al(6) atoms. In the second Ru site, Ru(2) is bonded in a 10-coordinate geometry to one Al(1), one Al(5), one Al(8), one Al(9), two equivalent Al(13), two equivalent Al(14), and two equivalent Al(15) atoms. In the third Ru site, Ru(3) is bonded in a 10-coordinate geometry to one Al(10), one Al(7), two equivalent Al(11), two equivalent Al(12), two equivalent Al(2), and two equivalent Al(3) atoms. In the fourth Ru site, Ru(4) is bonded in a 10-coordinate geometry to one Al(7), one Al(9), two equivalent Al(11), two equivalent Al(12), two equivalent Al(2), and two equivalent Al(8) atoms. In the fifth Ru site, Ru(5) is bonded in a 9-coordinate geometry to one Al(10), one Al(11), one Al(12), one Al(13), one Al(14), one Al(15), one Al(4), one Al(6), and one Al(9) atom. There are fifteen inequivalent Al sites. In the first Al site, Al(1) is bonded in a distorted linear geometry to two equivalent Ru(2) atoms. In the second Al site, Al(2) is bonded in a 4-coordinate geometry to two equivalent Ru(3) and two equivalent Ru(4) atoms. In the third Al site, Al(3) is bonded in a 3-coordinate geometry to one Ru(1), two equivalent Ru(3), and one Al(10) atom. In the fourth Al site, Al(4) is bonded in a linear geometry to two equivalent Ru(5) atoms. In the fifth Al site, Al(5) is bonded in a distorted bent 150 degrees geometry to one Ru(1), one Ru(2), one Al(6), and one Al(9) atom. In the sixth Al site, Al(6) is bonded in a 11-coordinate geometry to two equivalent Ru(1), two equivalent Ru(5), one Al(10), one Al(5), one Al(6), two equivalent Al(14), and two equivalent Al(15) atoms. In the seventh Al site, Al(7) is bonded in a distorted bent 150 degrees geometry to one Ru(3), one Ru(4), one Al(10), and one Al(9) atom. In the eighth Al site, Al(8) is bonded in a 3-coordinate geometry to one Ru(2), two equivalent Ru(4), and one Al(9) atom. In the ninth Al site, Al(9) is bonded in a 11-coordinate geometry to one Ru(2), one Ru(4), two equivalent Ru(5), one Al(5), one Al(7), one Al(8), two equivalent Al(11), and two equivalent Al(13) atoms. In the tenth Al site, Al(10) is bonded in a 11-coordinate geometry to one Ru(1), one Ru(3), two equivalent Ru(5), one Al(3), one Al(6), one Al(7), two equivalent Al(12), and two equivalent Al(14) atoms. In the eleventh Al site, Al(11) is bonded in a 3-coordinate geometry to one Ru(3), one Ru(4), one Ru(5), and one Al(9) atom. In the twelfth Al site, Al(12) is bonded in a 3-coordinate geometry to one Ru(3), one Ru(4), one Ru(5), and one Al(10) atom. In the thirteenth Al site, Al(13) is bonded in a 3-coordinate geometry to one Ru(1), one Ru(2), one Ru(5), and one Al(9) atom. In the fourteenth Al site, Al(14) is bonded in a 3-coordinate geometry to one Ru(1), one Ru(2), one Ru(5), one Al(10), and one Al(6) atom. In the fifteenth Al site, Al(15) is bonded in a 2-coordinate geometry to one Ru(1), one Ru(2), one Ru(5), and one Al(6) atom. is represented by the CIF card [CIF]
data_Al13Ru4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.163
_cell_length_b   8.916
_cell_length_c   12.691
_cell_angle_alpha   105.734
_cell_angle_beta   89.998
_cell_angle_gamma   117.252
_symmetry_Int_Tables_number   1
_cell_volume   782.020
_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
  Al  Al0  1  0.500  0.000  0.500  1.0
  Al  Al1  1  0.750  1.000  0.000  1.0
  Al  Al2  1  0.250  0.000  1.000  1.0
  Al  Al3  1  0.068  0.136  0.174  1.0
  Al  Al4  1  0.932  0.864  0.826  1.0
  Al  Al5  1  0.325  0.650  0.285  1.0
  Al  Al6  1  0.675  0.350  0.715  1.0
  Al  Al7  1  0.235  0.470  0.544  1.0
  Al  Al8  1  0.765  0.530  0.456  1.0
  Al  Al9  1  0.072  0.144  0.580  1.0
  Al  Al10  1  0.928  0.856  0.420  1.0
  Al  Al11  1  0.238  0.476  0.951  1.0
  Al  Al12  1  0.762  0.524  0.049  1.0
  Al  Al13  1  0.482  0.964  0.830  1.0
  Al  Al14  1  0.518  0.036  0.170  1.0
  Al  Al15  1  0.311  0.623  0.774  1.0
  Al  Al16  1  0.689  0.377  0.226  1.0
  Al  Al17  1  0.081  0.162  0.785  1.0
  Al  Al18  1  0.919  0.838  0.215  1.0
  Al  Al19  1  0.965  0.372  0.109  1.0
  Al  Al20  1  0.594  0.628  0.891  1.0
  Al  Al21  1  0.035  0.628  0.891  1.0
  Al  Al22  1  0.406  0.372  0.109  1.0
  Al  Al23  1  0.150  0.734  0.108  1.0
  Al  Al24  1  0.416  0.266  0.892  1.0
  Al  Al25  1  0.850  0.266  0.892  1.0
  Al  Al26  1  0.584  0.734  0.108  1.0
  Al  Al27  1  0.957  0.358  0.336  1.0
  Al  Al28  1  0.599  0.642  0.664  1.0
  Al  Al29  1  0.043  0.642  0.664  1.0
  Al  Al30  1  0.401  0.358  0.336  1.0
  Al  Al31  1  0.257  0.982  0.330  1.0
  Al  Al32  1  0.275  0.018  0.670  1.0
  Al  Al33  1  0.743  0.018  0.670  1.0
  Al  Al34  1  0.725  0.982  0.330  1.0
  Al  Al35  1  0.141  0.728  0.481  1.0
  Al  Al36  1  0.413  0.272  0.519  1.0
  Al  Al37  1  0.859  0.272  0.519  1.0
  Al  Al38  1  0.587  0.728  0.481  1.0
  Ru  Ru39  1  0.085  0.171  0.383  1.0
  Ru  Ru40  1  0.915  0.829  0.617  1.0
  Ru  Ru41  1  0.402  0.804  0.625  1.0
  Ru  Ru42  1  0.598  0.196  0.375  1.0
  Ru  Ru43  1  0.091  0.183  0.987  1.0
  Ru  Ru44  1  0.909  0.817  0.013  1.0
  Ru  Ru45  1  0.401  0.802  0.985  1.0
  Ru  Ru46  1  0.599  0.198  0.015  1.0
  Ru  Ru47  1  0.021  0.637  0.278  1.0
  Ru  Ru48  1  0.384  0.363  0.722  1.0
  Ru  Ru49  1  0.979  0.363  0.722  1.0
  Ru  Ru50  1  0.616  0.637  0.278  1.0
[/CIF]
.
The material described by Al13Ru4 crystallizes in the monoclinic C2/m space group. There are five inequivalent Ru sites. In the first Ru site, Ru(1) is bonded in a 11-coordinate geometry to one Al(10), one Al(3), one Al(5), two equivalent Al(13), two equivalent Al(14), two equivalent Al(15), and two equivalent Al(6) atoms. In the second Ru site, Ru(2) is bonded in a 10-coordinate geometry to one Al(1), one Al(5), one Al(8), one Al(9), two equivalent Al(13), two equivalent Al(14), and two equivalent Al(15) atoms. In the third Ru site, Ru(3) is bonded in a 10-coordinate geometry to one Al(10), one Al(7), two equivalent Al(11), two equivalent Al(12), two equivalent Al(2), and two equivalent Al(3) atoms. In the fourth Ru site, Ru(4) is bonded in a 10-coordinate geometry to one Al(7), one Al(9), two equivalent Al(11), two equivalent Al(12), two equivalent Al(2), and two equivalent Al(8) atoms. In the fifth Ru site, Ru(5) is bonded in a 9-coordinate geometry to one Al(10), one Al(11), one Al(12), one Al(13), one Al(14), one Al(15), one Al(4), one Al(6), and one Al(9) atom. There are fifteen inequivalent Al sites. In the first Al site, Al(1) is bonded in a distorted linear geometry to two equivalent Ru(2) atoms. In the second Al site, Al(2) is bonded in a 4-coordinate geometry to two equivalent Ru(3) and two equivalent Ru(4) atoms. In the third Al site, Al(3) is bonded in a 3-coordinate geometry to one Ru(1), two equivalent Ru(3), and one Al(10) atom. In the fourth Al site, Al(4) is bonded in a linear geometry to two equivalent Ru(5) atoms. In the fifth Al site, Al(5) is bonded in a distorted bent 150 degrees geometry to one Ru(1), one Ru(2), one Al(6), and one Al(9) atom. In the sixth Al site, Al(6) is bonded in a 11-coordinate geometry to two equivalent Ru(1), two equivalent Ru(5), one Al(10), one Al(5), one Al(6), two equivalent Al(14), and two equivalent Al(15) atoms. In the seventh Al site, Al(7) is bonded in a distorted bent 150 degrees geometry to one Ru(3), one Ru(4), one Al(10), and one Al(9) atom. In the eighth Al site, Al(8) is bonded in a 3-coordinate geometry to one Ru(2), two equivalent Ru(4), and one Al(9) atom. In the ninth Al site, Al(9) is bonded in a 11-coordinate geometry to one Ru(2), one Ru(4), two equivalent Ru(5), one Al(5), one Al(7), one Al(8), two equivalent Al(11), and two equivalent Al(13) atoms. In the tenth Al site, Al(10) is bonded in a 11-coordinate geometry to one Ru(1), one Ru(3), two equivalent Ru(5), one Al(3), one Al(6), one Al(7), two equivalent Al(12), and two equivalent Al(14) atoms. In the eleventh Al site, Al(11) is bonded in a 3-coordinate geometry to one Ru(3), one Ru(4), one Ru(5), and one Al(9) atom. In the twelfth Al site, Al(12) is bonded in a 3-coordinate geometry to one Ru(3), one Ru(4), one Ru(5), and one Al(10) atom. In the thirteenth Al site, Al(13) is bonded in a 3-coordinate geometry to one Ru(1), one Ru(2), one Ru(5), and one Al(9) atom. In the fourteenth Al site, Al(14) is bonded in a 3-coordinate geometry to one Ru(1), one Ru(2), one Ru(5), one Al(10), and one Al(6) atom. In the fifteenth Al site, Al(15) is bonded in a 2-coordinate geometry to one Ru(1), one Ru(2), one Ru(5), and one Al(6) atom. is represented by the CIF card [CIF]
data_Al13Ru4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.163
_cell_length_b   8.916
_cell_length_c   12.691
_cell_angle_alpha   105.734
_cell_angle_beta   89.998
_cell_angle_gamma   117.252
_symmetry_Int_Tables_number   1
_cell_volume   782.020
_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
  Al  Al0  1  0.500  0.000  0.500  1.0
  Al  Al1  1  0.750  1.000  0.000  1.0
  Al  Al2  1  0.250  0.000  1.000  1.0
  Al  Al3  1  0.068  0.136  0.174  1.0
  Al  Al4  1  0.932  0.864  0.826  1.0
  Al  Al5  1  0.325  0.650  0.285  1.0
  Al  Al6  1  0.675  0.350  0.715  1.0
  Al  Al7  1  0.235  0.470  0.544  1.0
  Al  Al8  1  0.765  0.530  0.456  1.0
  Al  Al9  1  0.072  0.144  0.580  1.0
  Al  Al10  1  0.928  0.856  0.420  1.0
  Al  Al11  1  0.238  0.476  0.951  1.0
  Al  Al12  1  0.762  0.524  0.049  1.0
  Al  Al13  1  0.482  0.964  0.830  1.0
  Al  Al14  1  0.518  0.036  0.170  1.0
  Al  Al15  1  0.311  0.623  0.774  1.0
  Al  Al16  1  0.689  0.377  0.226  1.0
  Al  Al17  1  0.081  0.162  0.785  1.0
  Al  Al18  1  0.919  0.838  0.215  1.0
  Al  Al19  1  0.965  0.372  0.109  1.0
  Al  Al20  1  0.594  0.628  0.891  1.0
  Al  Al21  1  0.035  0.628  0.891  1.0
  Al  Al22  1  0.406  0.372  0.109  1.0
  Al  Al23  1  0.150  0.734  0.108  1.0
  Al  Al24  1  0.416  0.266  0.892  1.0
  Al  Al25  1  0.850  0.266  0.892  1.0
  Al  Al26  1  0.584  0.734  0.108  1.0
  Al  Al27  1  0.957  0.358  0.336  1.0
  Al  Al28  1  0.599  0.642  0.664  1.0
  Al  Al29  1  0.043  0.642  0.664  1.0
  Al  Al30  1  0.401  0.358  0.336  1.0
  Al  Al31  1  0.257  0.982  0.330  1.0
  Al  Al32  1  0.275  0.018  0.670  1.0
  Al  Al33  1  0.743  0.018  0.670  1.0
  Al  Al34  1  0.725  0.982  0.330  1.0
  Al  Al35  1  0.141  0.728  0.481  1.0
  Al  Al36  1  0.413  0.272  0.519  1.0
  Al  Al37  1  0.859  0.272  0.519  1.0
  Al  Al38  1  0.587  0.728  0.481  1.0
  Ru  Ru39  1  0.085  0.171  0.383  1.0
  Ru  Ru40  1  0.915  0.829  0.617  1.0
  Ru  Ru41  1  0.402  0.804  0.625  1.0
  Ru  Ru42  1  0.598  0.196  0.375  1.0
  Ru  Ru43  1  0.091  0.183  0.987  1.0
  Ru  Ru44  1  0.909  0.817  0.013  1.0
  Ru  Ru45  1  0.401  0.802  0.985  1.0
  Ru  Ru46  1  0.599  0.198  0.015  1.0
  Ru  Ru47  1  0.021  0.637  0.278  1.0
  Ru  Ru48  1  0.384  0.363  0.722  1.0
  Ru  Ru49  1  0.979  0.363  0.722  1.0
  Ru  Ru50  1  0.616  0.637  0.278  1.0
[/CIF]
.