The compound described by Al(CoO2)3 crystallizes in the monoclinic C2/m space group. There are five inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(3), one O(4), one O(6), one O(7), and one O(9) atom to form CoO6 octahedra that share  a cornercorner with one Co(4)O4 tetrahedra, corners with two equivalent Co(5)O4 tetrahedra, corners with three equivalent Co(3)O4 tetrahedra,  an edgeedge with one Al(2)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Al(1)O6 octahedra. In the second Co site, Co(2) is bonded to two equivalent O(2), two equivalent O(5), and two equivalent O(8) atoms to form CoO6 octahedra that share corners with two equivalent Co(5)O4 tetrahedra, corners with four equivalent Co(4)O4 tetrahedra, edges with two equivalent Co(2)O6 octahedra, and edges with two equivalent Al(2)O6 octahedra. In the third Co site, Co(3) is bonded to one O(6), one O(7), and two equivalent O(3) atoms to form CoO4 tetrahedra that share corners with three equivalent Al(1)O6 octahedra and corners with six equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-60°. In the fourth Co site, Co(4) is bonded to one O(5), one O(9), and two equivalent O(2) atoms to form CoO4 tetrahedra that share  a cornercorner with one Al(1)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with three equivalent Al(2)O6 octahedra, and corners with four equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-60°. In the fifth Co site, Co(5) is bonded to one O(4), one O(8), and two equivalent O(1) atoms to form CoO4 tetrahedra that share corners with two equivalent Co(2)O6 octahedra, corners with two equivalent Al(1)O6 octahedra, corners with three equivalent Al(2)O6 octahedra, and corners with four equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-64°. There are two inequivalent Al sites. In the first Al site, Al(1) is bonded to one O(7), one O(9), two equivalent O(1), and two equivalent O(3) atoms to form AlO6 octahedra that share  a cornercorner with one Co(4)O4 tetrahedra, corners with two equivalent Co(5)O4 tetrahedra, corners with three equivalent Co(3)O4 tetrahedra,  an edgeedge with one Al(2)O6 octahedra, and edges with four equivalent Co(1)O6 octahedra. In the second Al site, Al(2) is bonded to one O(4), one O(5), two equivalent O(1), and two equivalent O(2) atoms to form AlO6 octahedra that share corners with three equivalent Co(4)O4 tetrahedra, corners with three equivalent Co(5)O4 tetrahedra,  an edgeedge with one Al(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(2)O6 octahedra. There are nine inequivalent O sites. In the first O site, O(1) is bonded to one Co(1), one Co(5), one Al(1), and one Al(2) atom to form a mixture of distorted edge and corner-sharing OAl2Co2 trigonal pyramids. In the second O site, O(2) is bonded in a trigonal planar geometry to one Co(2), one Co(4), and one Al(2) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Co(1), one Co(3), and one Al(1) atom. In the fourth O site, O(4) is bonded in a rectangular see-saw-like geometry to one Co(5), two equivalent Co(1), and one Al(2) atom. In the fifth O site, O(5) is bonded in a rectangular see-saw-like geometry to one Co(4), two equivalent Co(2), and one Al(2) atom. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one Co(3) and two equivalent Co(1) atoms. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Co(3), two equivalent Co(1), and one Al(1) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Co(5) and two equivalent Co(2) atoms. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Co(4), two equivalent Co(1), and one Al(1) atom. is represented by the CIF card [CIF]
data_Al(CoO2)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.833
_cell_length_b   5.833
_cell_length_c   14.067
_cell_angle_alpha   89.100
_cell_angle_beta   89.100
_cell_angle_gamma   59.993
_symmetry_Int_Tables_number   1
_cell_volume   414.353
_cell_formula_units_Z   4
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  0.667  0.667  0.167  1.0
  Al  Al1  1  0.333  0.333  0.833  1.0
  Al  Al2  1  0.835  0.835  0.335  1.0
  Al  Al3  1  0.165  0.165  0.665  1.0
  Co  Co4  1  0.172  0.665  0.164  1.0
  Co  Co5  1  0.500  0.000  0.500  1.0
  Co  Co6  1  0.828  0.335  0.836  1.0
  Co  Co7  1  0.163  0.163  0.046  1.0
  Co  Co8  1  0.490  0.490  0.383  1.0
  Co  Co9  1  0.830  0.830  0.706  1.0
  Co  Co10  1  0.665  0.172  0.164  1.0
  Co  Co11  1  0.000  0.500  0.500  1.0
  Co  Co12  1  0.335  0.828  0.836  1.0
  Co  Co13  1  0.170  0.170  0.294  1.0
  Co  Co14  1  0.510  0.510  0.617  1.0
  Co  Co15  1  0.837  0.837  0.954  1.0
  O  O16  1  0.970  0.539  0.250  1.0
  O  O17  1  0.343  0.864  0.587  1.0
  O  O18  1  0.652  0.170  0.902  1.0
  O  O19  1  0.539  0.970  0.250  1.0
  O  O20  1  0.864  0.343  0.587  1.0
  O  O21  1  0.170  0.652  0.902  1.0
  O  O22  1  0.983  0.983  0.253  1.0
  O  O23  1  0.319  0.319  0.578  1.0
  O  O24  1  0.667  0.667  0.901  1.0
  O  O25  1  0.826  0.826  0.089  1.0
  O  O26  1  0.185  0.185  0.432  1.0
  O  O27  1  0.492  0.492  0.755  1.0
  O  O28  1  0.508  0.508  0.245  1.0
  O  O29  1  0.815  0.815  0.568  1.0
  O  O30  1  0.174  0.174  0.911  1.0
  O  O31  1  0.333  0.333  0.099  1.0
  O  O32  1  0.681  0.681  0.422  1.0
  O  O33  1  0.017  0.017  0.747  1.0
  O  O34  1  0.348  0.830  0.098  1.0
  O  O35  1  0.657  0.136  0.413  1.0
  O  O36  1  0.030  0.461  0.750  1.0
  O  O37  1  0.830  0.348  0.098  1.0
  O  O38  1  0.136  0.657  0.413  1.0
  O  O39  1  0.461  0.030  0.750  1.0
[/CIF]
.
The compound described by Al(CoO2)3 crystallizes in the monoclinic C2/m space group. There are five inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(3), one O(4), one O(6), one O(7), and one O(9) atom to form CoO6 octahedra that share  a cornercorner with one Co(4)O4 tetrahedra, corners with two equivalent Co(5)O4 tetrahedra, corners with three equivalent Co(3)O4 tetrahedra,  an edgeedge with one Al(2)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Al(1)O6 octahedra. In the second Co site, Co(2) is bonded to two equivalent O(2), two equivalent O(5), and two equivalent O(8) atoms to form CoO6 octahedra that share corners with two equivalent Co(5)O4 tetrahedra, corners with four equivalent Co(4)O4 tetrahedra, edges with two equivalent Co(2)O6 octahedra, and edges with two equivalent Al(2)O6 octahedra. In the third Co site, Co(3) is bonded to one O(6), one O(7), and two equivalent O(3) atoms to form CoO4 tetrahedra that share corners with three equivalent Al(1)O6 octahedra and corners with six equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-60°. In the fourth Co site, Co(4) is bonded to one O(5), one O(9), and two equivalent O(2) atoms to form CoO4 tetrahedra that share  a cornercorner with one Al(1)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with three equivalent Al(2)O6 octahedra, and corners with four equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-60°. In the fifth Co site, Co(5) is bonded to one O(4), one O(8), and two equivalent O(1) atoms to form CoO4 tetrahedra that share corners with two equivalent Co(2)O6 octahedra, corners with two equivalent Al(1)O6 octahedra, corners with three equivalent Al(2)O6 octahedra, and corners with four equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-64°. There are two inequivalent Al sites. In the first Al site, Al(1) is bonded to one O(7), one O(9), two equivalent O(1), and two equivalent O(3) atoms to form AlO6 octahedra that share  a cornercorner with one Co(4)O4 tetrahedra, corners with two equivalent Co(5)O4 tetrahedra, corners with three equivalent Co(3)O4 tetrahedra,  an edgeedge with one Al(2)O6 octahedra, and edges with four equivalent Co(1)O6 octahedra. In the second Al site, Al(2) is bonded to one O(4), one O(5), two equivalent O(1), and two equivalent O(2) atoms to form AlO6 octahedra that share corners with three equivalent Co(4)O4 tetrahedra, corners with three equivalent Co(5)O4 tetrahedra,  an edgeedge with one Al(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(2)O6 octahedra. There are nine inequivalent O sites. In the first O site, O(1) is bonded to one Co(1), one Co(5), one Al(1), and one Al(2) atom to form a mixture of distorted edge and corner-sharing OAl2Co2 trigonal pyramids. In the second O site, O(2) is bonded in a trigonal planar geometry to one Co(2), one Co(4), and one Al(2) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Co(1), one Co(3), and one Al(1) atom. In the fourth O site, O(4) is bonded in a rectangular see-saw-like geometry to one Co(5), two equivalent Co(1), and one Al(2) atom. In the fifth O site, O(5) is bonded in a rectangular see-saw-like geometry to one Co(4), two equivalent Co(2), and one Al(2) atom. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one Co(3) and two equivalent Co(1) atoms. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Co(3), two equivalent Co(1), and one Al(1) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Co(5) and two equivalent Co(2) atoms. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Co(4), two equivalent Co(1), and one Al(1) atom. is represented by the CIF card [CIF]
data_Al(CoO2)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.833
_cell_length_b   5.833
_cell_length_c   14.067
_cell_angle_alpha   89.100
_cell_angle_beta   89.100
_cell_angle_gamma   59.993
_symmetry_Int_Tables_number   1
_cell_volume   414.353
_cell_formula_units_Z   4
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  0.667  0.667  0.167  1.0
  Al  Al1  1  0.333  0.333  0.833  1.0
  Al  Al2  1  0.835  0.835  0.335  1.0
  Al  Al3  1  0.165  0.165  0.665  1.0
  Co  Co4  1  0.172  0.665  0.164  1.0
  Co  Co5  1  0.500  0.000  0.500  1.0
  Co  Co6  1  0.828  0.335  0.836  1.0
  Co  Co7  1  0.163  0.163  0.046  1.0
  Co  Co8  1  0.490  0.490  0.383  1.0
  Co  Co9  1  0.830  0.830  0.706  1.0
  Co  Co10  1  0.665  0.172  0.164  1.0
  Co  Co11  1  0.000  0.500  0.500  1.0
  Co  Co12  1  0.335  0.828  0.836  1.0
  Co  Co13  1  0.170  0.170  0.294  1.0
  Co  Co14  1  0.510  0.510  0.617  1.0
  Co  Co15  1  0.837  0.837  0.954  1.0
  O  O16  1  0.970  0.539  0.250  1.0
  O  O17  1  0.343  0.864  0.587  1.0
  O  O18  1  0.652  0.170  0.902  1.0
  O  O19  1  0.539  0.970  0.250  1.0
  O  O20  1  0.864  0.343  0.587  1.0
  O  O21  1  0.170  0.652  0.902  1.0
  O  O22  1  0.983  0.983  0.253  1.0
  O  O23  1  0.319  0.319  0.578  1.0
  O  O24  1  0.667  0.667  0.901  1.0
  O  O25  1  0.826  0.826  0.089  1.0
  O  O26  1  0.185  0.185  0.432  1.0
  O  O27  1  0.492  0.492  0.755  1.0
  O  O28  1  0.508  0.508  0.245  1.0
  O  O29  1  0.815  0.815  0.568  1.0
  O  O30  1  0.174  0.174  0.911  1.0
  O  O31  1  0.333  0.333  0.099  1.0
  O  O32  1  0.681  0.681  0.422  1.0
  O  O33  1  0.017  0.017  0.747  1.0
  O  O34  1  0.348  0.830  0.098  1.0
  O  O35  1  0.657  0.136  0.413  1.0
  O  O36  1  0.030  0.461  0.750  1.0
  O  O37  1  0.830  0.348  0.098  1.0
  O  O38  1  0.136  0.657  0.413  1.0
  O  O39  1  0.461  0.030  0.750  1.0
[/CIF]
.