The crystal structure described by AgAlO2 crystallizes in the trigonal R3m space group. Ag(1) is bonded in a 4-coordinate geometry to one O(1) and three equivalent O(2) atoms. Al(1) is bonded to three equivalent O(1) and three equivalent O(2) atoms to form edge-sharing AlO6 octahedra. There are two inequivalent O sites. In the first O site, O(1) is bonded to one Ag(1) and three equivalent Al(1) atoms to form distorted corner-sharing OAl3Ag tetrahedra. In the second O site, O(2) is bonded in a 6-coordinate geometry to three equivalent Ag(1) and three equivalent Al(1) atoms. is represented by the CIF file [CIF]
data_AlAgO2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.353
_cell_length_b   6.353
_cell_length_c   6.353
_cell_angle_alpha   26.366
_cell_angle_beta   26.366
_cell_angle_gamma   26.366
_symmetry_Int_Tables_number   1
_cell_volume   44.578
_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
  Al  Al0  1  0.002  0.002  0.002  1.0
  Ag  Ag1  1  0.839  0.839  0.839  1.0
  O  O2  1  0.720  0.720  0.720  1.0
  O  O3  1  0.280  0.280  0.280  1.0
[/CIF]
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The crystal structure described by AgAlO2 crystallizes in the trigonal R3m space group. Ag(1) is bonded in a 4-coordinate geometry to one O(1) and three equivalent O(2) atoms. Al(1) is bonded to three equivalent O(1) and three equivalent O(2) atoms to form edge-sharing AlO6 octahedra. There are two inequivalent O sites. In the first O site, O(1) is bonded to one Ag(1) and three equivalent Al(1) atoms to form distorted corner-sharing OAl3Ag tetrahedra. In the second O site, O(2) is bonded in a 6-coordinate geometry to three equivalent Ag(1) and three equivalent Al(1) atoms. is represented by the CIF file [CIF]
data_AlAgO2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.353
_cell_length_b   6.353
_cell_length_c   6.353
_cell_angle_alpha   26.366
_cell_angle_beta   26.366
_cell_angle_gamma   26.366
_symmetry_Int_Tables_number   1
_cell_volume   44.578
_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
  Al  Al0  1  0.002  0.002  0.002  1.0
  Ag  Ag1  1  0.839  0.839  0.839  1.0
  O  O2  1  0.720  0.720  0.720  1.0
  O  O3  1  0.280  0.280  0.280  1.0
[/CIF]
.