data_AlO2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.6
_cell_length_b   5.6
_cell_length_c   3.65
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   149.2
_symmetry_Int_Tables_number   1
_chemical_formula_structural   AlO2
_chemical_formula_sum   'Al2 O4'
_cell_volume   58.64
_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  0.49  0.82  0.73  1.0
  Al  Al1  1  0.49  0.18  0.91  1.0
  O  O2  1  0.49  0.78  0.73  1.0
  O  O3  1  0.49  0.22  0.91  1.0
  O  O4  1  0.49  0.26  0.73  1.0
  O  O5  1  0.49  0.74  0.91  1.0

data_AlO2
_symmetry_space_group_name_H-M   P-1
_cell_length_a   2.98
_cell_length_b   3.65
_cell_length_c   5.6
_cell_angle_alpha   90.0
_cell_angle_beta   105.4
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   AlO2
_chemical_formula_sum   'Al2 O4'
_cell_volume   58.64
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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  2  0.18  0.91  0.68  1.0
  O  O1  2  0.22  0.91  0.72  1.0
  O  O2  2  0.26  0.09  0.76  1.0

Al Al O O O O