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All results from a given calculation for H3AlO3 (Aluminum hydroxide)

using model chemistry: CCD/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3H 1A'
Energy calculated at CCD/3-21G
 hartrees
Energy at 0K-466.237965
Energy at 298.15K-466.241886
HF Energy-465.853294
Nuclear repulsion energy161.481290
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCD/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3799 3694 0.00      
2 A' 788 766 0.00      
3 A' 504 490 0.00      
4 A" 329 320 634.18      
5 A" 256 249 157.03      
6 E' 3800 3695 53.69      
6 E' 3800 3695 53.69      
7 E' 1048 1019 104.47      
7 E' 1048 1019 104.47      
8 E' 522 507 348.61      
8 E' 522 507 348.61      
9 E' 282 274 49.82      
9 E' 282 274 49.82      
10 E" 270 262 0.00      
10 E" 270 262 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 8759.9 cm-1
Scaled (by 0.9723) Zero Point Vibrational Energy (zpe) 8517.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCD/3-21G
ABC
0.21728 0.21728 0.10864

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G

Point Group is C3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.000
O2 0.000 1.688 0.000
O3 -1.462 -0.844 0.000
O4 1.462 -0.844 0.000
H5 -0.694 2.368 0.000
H6 -1.703 -1.785 0.000
H7 2.398 -0.582 0.000

Atom - Atom Distances (Å)
  Al1 O2 O3 O4 H5 H6 H7
Al11.68821.68821.68822.46742.46742.4674
O21.68822.92412.92410.97153.86863.3023
O31.68822.92412.92413.30230.97153.8686
O41.68822.92412.92413.86863.30230.9715
H52.46740.97153.30233.86864.27374.2737
H62.46743.86860.97153.30234.27374.2737
H72.46743.30233.86860.97154.27374.2737

picture of Aluminum hydroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Al1 O2 H5 134.379 Al1 O3 H6 134.379
Al1 O4 H7 134.378 O2 Al1 O3 120.000
O2 Al1 O4 120.000 O3 Al1 O4 120.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability