The material structure described by Co6Al19 crystallizes in the monoclinic C2/m space group. There are five inequivalent Co sites. In the first Co site, Co(1) is bonded in a 11-coordinate geometry to one Al(12), one Al(3), one Al(7), two equivalent Al(1), two equivalent Al(2), two equivalent Al(4), and two equivalent Al(8) atoms. In the second Co site, Co(2) is bonded in a 10-coordinate geometry to one Al(5), one Al(7), two equivalent Al(10), two equivalent Al(11), two equivalent Al(12), and two equivalent Al(14) atoms. In the third Co site, Co(3) is bonded in a 10-coordinate geometry to one Al(13), one Al(5), two equivalent Al(10), two equivalent Al(11), two equivalent Al(14), and two equivalent Al(6) atoms. In the fourth Co site, Co(4) is bonded in a 9-coordinate geometry to one Al(13), one Al(3), one Al(6), two equivalent Al(1), two equivalent Al(4), and two equivalent Al(8) atoms. In the fifth Co site, Co(5) is bonded in a 9-coordinate geometry to one Al(1), one Al(10), one Al(13), one Al(14), one Al(2), one Al(4), one Al(7), one Al(8), and one Al(9) atom. There are fourteen inequivalent Al sites. In the first Al site, Al(1) is bonded in a 3-coordinate geometry to one Co(1), one Co(4), one Co(5), one Al(10), one Al(2), and one Al(7) atom. In the second Al site, Al(2) is bonded in a 11-coordinate geometry to two equivalent Co(1), two equivalent Co(5), one Al(2), one Al(3), one Al(7), two equivalent Al(1), and two equivalent Al(8) atoms. In the third Al site, Al(3) is bonded in a distorted linear geometry to one Co(1), one Co(4), and one Al(2) atom. In the fourth Al site, Al(4) is bonded in a 3-coordinate geometry to one Co(1), one Co(4), one Co(5), and one Al(14) atom. In the fifth Al site, Al(5) is bonded in a linear geometry to one Co(2), one Co(3), one Al(7), four equivalent Al(10), and four equivalent Al(14) atoms. In the sixth Al site, Al(6) is bonded in a 3-coordinate geometry to one Co(4), two equivalent Co(3), and two equivalent Al(10) atoms. In the seventh Al site, Al(7) is bonded in a 11-coordinate geometry to one Co(1), one Co(2), two equivalent Co(5), one Al(12), one Al(2), one Al(5), two equivalent Al(1), and two equivalent Al(10) atoms. In the eighth Al site, Al(8) is bonded in a distorted bent 150 degrees geometry to one Co(1), one Co(4), one Co(5), and one Al(2) atom. In the ninth Al site, Al(9) is bonded in a linear geometry to two equivalent Co(5), two equivalent Al(10), and two equivalent Al(14) atoms. In the tenth Al site, Al(10) is bonded in a 12-coordinate geometry to one Co(2), one Co(3), one Co(5), one Al(1), one Al(11), one Al(6), one Al(7), one Al(9), two equivalent Al(14), and two equivalent Al(5) atoms. In the eleventh Al site, Al(11) is bonded in a 4-coordinate geometry to two equivalent Co(2), two equivalent Co(3), two equivalent Al(10), and two equivalent Al(14) atoms. In the twelfth Al site, Al(12) is bonded in a 3-coordinate geometry to one Co(1), two equivalent Co(2), one Al(7), and two equivalent Al(14) atoms. In the thirteenth Al site, Al(13) is bonded in a 4-coordinate geometry to one Co(3), one Co(4), two equivalent Co(5), and two equivalent Al(14) atoms. In the fourteenth Al site, Al(14) is bonded in a 12-coordinate geometry to one Co(2), one Co(3), one Co(5), one Al(11), one Al(12), one Al(13), one Al(4), one Al(9), two equivalent Al(10), and two equivalent Al(5) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Al19Co6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.519
_cell_length_b   8.519
_cell_length_c   12.314
_cell_angle_alpha   73.880
_cell_angle_beta   73.880
_cell_angle_gamma   56.387
_symmetry_Int_Tables_number   1
_cell_volume   706.257
_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
  Al  Al0  1  0.229  0.785  0.331  1.0
  Al  Al1  1  0.771  0.215  0.669  1.0
  Al  Al2  1  0.215  0.771  0.669  1.0
  Al  Al3  1  0.785  0.229  0.331  1.0
  Al  Al4  1  0.578  0.578  0.420  1.0
  Al  Al5  1  0.422  0.422  0.580  1.0
  Al  Al6  1  0.733  0.733  0.478  1.0
  Al  Al7  1  0.267  0.267  0.522  1.0
  Al  Al8  1  0.545  0.098  0.336  1.0
  Al  Al9  1  0.455  0.902  0.664  1.0
  Al  Al10  1  0.902  0.455  0.664  1.0
  Al  Al11  1  0.098  0.545  0.336  1.0
  Al  Al12  1  0.743  0.743  0.025  1.0
  Al  Al13  1  0.257  0.257  0.975  1.0
  Al  Al14  1  0.973  0.973  0.169  1.0
  Al  Al15  1  0.027  0.027  0.831  1.0
  Al  Al16  1  0.590  0.590  0.215  1.0
  Al  Al17  1  0.410  0.410  0.785  1.0
  Al  Al18  1  0.676  0.067  0.523  1.0
  Al  Al19  1  0.324  0.933  0.477  1.0
  Al  Al20  1  0.933  0.324  0.477  1.0
  Al  Al21  1  0.067  0.676  0.523  1.0
  Al  Al22  1  0.821  0.821  0.728  1.0
  Al  Al23  1  0.179  0.179  0.272  1.0
  Al  Al24  1  0.345  0.914  0.109  1.0
  Al  Al25  1  0.655  0.086  0.891  1.0
  Al  Al26  1  0.086  0.655  0.891  1.0
  Al  Al27  1  0.914  0.345  0.109  1.0
  Al  Al28  1  0.749  0.251  0.000  1.0
  Al  Al29  1  0.251  0.749  0.000  1.0
  Al  Al30  1  0.434  0.434  0.173  1.0
  Al  Al31  1  0.566  0.566  0.827  1.0
  Al  Al32  1  0.788  0.788  0.237  1.0
  Al  Al33  1  0.212  0.212  0.763  1.0
  Al  Al34  1  0.538  0.092  0.114  1.0
  Al  Al35  1  0.462  0.908  0.886  1.0
  Al  Al36  1  0.908  0.462  0.886  1.0
  Al  Al37  1  0.092  0.538  0.114  1.0
  Co  Co38  1  0.419  0.419  0.380  1.0
  Co  Co39  1  0.581  0.581  0.620  1.0
  Co  Co40  1  0.591  0.591  0.016  1.0
  Co  Co41  1  0.409  0.409  0.984  1.0
  Co  Co42  1  0.900  0.900  0.017  1.0
  Co  Co43  1  0.100  0.100  0.983  1.0
  Co  Co44  1  0.892  0.892  0.368  1.0
  Co  Co45  1  0.108  0.108  0.632  1.0
  Co  Co46  1  0.451  0.899  0.280  1.0
  Co  Co47  1  0.549  0.101  0.720  1.0
  Co  Co48  1  0.101  0.549  0.720  1.0
  Co  Co49  1  0.899  0.451  0.280  1.0
[/CIF]
.
The material structure described by Co6Al19 crystallizes in the monoclinic C2/m space group. There are five inequivalent Co sites. In the first Co site, Co(1) is bonded in a 11-coordinate geometry to one Al(12), one Al(3), one Al(7), two equivalent Al(1), two equivalent Al(2), two equivalent Al(4), and two equivalent Al(8) atoms. In the second Co site, Co(2) is bonded in a 10-coordinate geometry to one Al(5), one Al(7), two equivalent Al(10), two equivalent Al(11), two equivalent Al(12), and two equivalent Al(14) atoms. In the third Co site, Co(3) is bonded in a 10-coordinate geometry to one Al(13), one Al(5), two equivalent Al(10), two equivalent Al(11), two equivalent Al(14), and two equivalent Al(6) atoms. In the fourth Co site, Co(4) is bonded in a 9-coordinate geometry to one Al(13), one Al(3), one Al(6), two equivalent Al(1), two equivalent Al(4), and two equivalent Al(8) atoms. In the fifth Co site, Co(5) is bonded in a 9-coordinate geometry to one Al(1), one Al(10), one Al(13), one Al(14), one Al(2), one Al(4), one Al(7), one Al(8), and one Al(9) atom. There are fourteen inequivalent Al sites. In the first Al site, Al(1) is bonded in a 3-coordinate geometry to one Co(1), one Co(4), one Co(5), one Al(10), one Al(2), and one Al(7) atom. In the second Al site, Al(2) is bonded in a 11-coordinate geometry to two equivalent Co(1), two equivalent Co(5), one Al(2), one Al(3), one Al(7), two equivalent Al(1), and two equivalent Al(8) atoms. In the third Al site, Al(3) is bonded in a distorted linear geometry to one Co(1), one Co(4), and one Al(2) atom. In the fourth Al site, Al(4) is bonded in a 3-coordinate geometry to one Co(1), one Co(4), one Co(5), and one Al(14) atom. In the fifth Al site, Al(5) is bonded in a linear geometry to one Co(2), one Co(3), one Al(7), four equivalent Al(10), and four equivalent Al(14) atoms. In the sixth Al site, Al(6) is bonded in a 3-coordinate geometry to one Co(4), two equivalent Co(3), and two equivalent Al(10) atoms. In the seventh Al site, Al(7) is bonded in a 11-coordinate geometry to one Co(1), one Co(2), two equivalent Co(5), one Al(12), one Al(2), one Al(5), two equivalent Al(1), and two equivalent Al(10) atoms. In the eighth Al site, Al(8) is bonded in a distorted bent 150 degrees geometry to one Co(1), one Co(4), one Co(5), and one Al(2) atom. In the ninth Al site, Al(9) is bonded in a linear geometry to two equivalent Co(5), two equivalent Al(10), and two equivalent Al(14) atoms. In the tenth Al site, Al(10) is bonded in a 12-coordinate geometry to one Co(2), one Co(3), one Co(5), one Al(1), one Al(11), one Al(6), one Al(7), one Al(9), two equivalent Al(14), and two equivalent Al(5) atoms. In the eleventh Al site, Al(11) is bonded in a 4-coordinate geometry to two equivalent Co(2), two equivalent Co(3), two equivalent Al(10), and two equivalent Al(14) atoms. In the twelfth Al site, Al(12) is bonded in a 3-coordinate geometry to one Co(1), two equivalent Co(2), one Al(7), and two equivalent Al(14) atoms. In the thirteenth Al site, Al(13) is bonded in a 4-coordinate geometry to one Co(3), one Co(4), two equivalent Co(5), and two equivalent Al(14) atoms. In the fourteenth Al site, Al(14) is bonded in a 12-coordinate geometry to one Co(2), one Co(3), one Co(5), one Al(11), one Al(12), one Al(13), one Al(4), one Al(9), two equivalent Al(10), and two equivalent Al(5) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Al19Co6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.519
_cell_length_b   8.519
_cell_length_c   12.314
_cell_angle_alpha   73.880
_cell_angle_beta   73.880
_cell_angle_gamma   56.387
_symmetry_Int_Tables_number   1
_cell_volume   706.257
_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
  Al  Al0  1  0.229  0.785  0.331  1.0
  Al  Al1  1  0.771  0.215  0.669  1.0
  Al  Al2  1  0.215  0.771  0.669  1.0
  Al  Al3  1  0.785  0.229  0.331  1.0
  Al  Al4  1  0.578  0.578  0.420  1.0
  Al  Al5  1  0.422  0.422  0.580  1.0
  Al  Al6  1  0.733  0.733  0.478  1.0
  Al  Al7  1  0.267  0.267  0.522  1.0
  Al  Al8  1  0.545  0.098  0.336  1.0
  Al  Al9  1  0.455  0.902  0.664  1.0
  Al  Al10  1  0.902  0.455  0.664  1.0
  Al  Al11  1  0.098  0.545  0.336  1.0
  Al  Al12  1  0.743  0.743  0.025  1.0
  Al  Al13  1  0.257  0.257  0.975  1.0
  Al  Al14  1  0.973  0.973  0.169  1.0
  Al  Al15  1  0.027  0.027  0.831  1.0
  Al  Al16  1  0.590  0.590  0.215  1.0
  Al  Al17  1  0.410  0.410  0.785  1.0
  Al  Al18  1  0.676  0.067  0.523  1.0
  Al  Al19  1  0.324  0.933  0.477  1.0
  Al  Al20  1  0.933  0.324  0.477  1.0
  Al  Al21  1  0.067  0.676  0.523  1.0
  Al  Al22  1  0.821  0.821  0.728  1.0
  Al  Al23  1  0.179  0.179  0.272  1.0
  Al  Al24  1  0.345  0.914  0.109  1.0
  Al  Al25  1  0.655  0.086  0.891  1.0
  Al  Al26  1  0.086  0.655  0.891  1.0
  Al  Al27  1  0.914  0.345  0.109  1.0
  Al  Al28  1  0.749  0.251  0.000  1.0
  Al  Al29  1  0.251  0.749  0.000  1.0
  Al  Al30  1  0.434  0.434  0.173  1.0
  Al  Al31  1  0.566  0.566  0.827  1.0
  Al  Al32  1  0.788  0.788  0.237  1.0
  Al  Al33  1  0.212  0.212  0.763  1.0
  Al  Al34  1  0.538  0.092  0.114  1.0
  Al  Al35  1  0.462  0.908  0.886  1.0
  Al  Al36  1  0.908  0.462  0.886  1.0
  Al  Al37  1  0.092  0.538  0.114  1.0
  Co  Co38  1  0.419  0.419  0.380  1.0
  Co  Co39  1  0.581  0.581  0.620  1.0
  Co  Co40  1  0.591  0.591  0.016  1.0
  Co  Co41  1  0.409  0.409  0.984  1.0
  Co  Co42  1  0.900  0.900  0.017  1.0
  Co  Co43  1  0.100  0.100  0.983  1.0
  Co  Co44  1  0.892  0.892  0.368  1.0
  Co  Co45  1  0.108  0.108  0.632  1.0
  Co  Co46  1  0.451  0.899  0.280  1.0
  Co  Co47  1  0.549  0.101  0.720  1.0
  Co  Co48  1  0.101  0.549  0.720  1.0
  Co  Co49  1  0.899  0.451  0.280  1.0
[/CIF]
.