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

using model chemistry: QCISD(T)/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3H 1A'
Energy calculated at QCISD(T)/TZVP
 hartrees
Energy at 0K-469.225935
Energy at 298.15K-469.230086
HF Energy-468.521665
Nuclear repulsion energy160.774999
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 QCISD(T)/TZVP
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' 3942 3797        
2 A' 690 664        
3 A' 626 603        
4 A" 330 318        
5 A" 284 273        
6 E' 3942 3797        
6 E' 3941 3796        
7 E' 929 895        
7 E' 929 895        
8 E' 641 618        
8 E' 639 615        
9 E' 217 209        
9 E' 213 205        
10 E" 363 350        
10 E" 363 350        

Unscaled Zero Point Vibrational Energy (zpe) 9024.0 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 8691.9 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 QCISD(T)/TZVP
ABC
0.21508 0.21508 0.10754

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/TZVP

Point Group is C3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.000
O2 0.000 1.708 0.000
O3 -1.479 -0.854 0.000
O4 1.479 -0.854 0.000
H5 -0.819 2.206 0.000
H6 -1.501 -1.813 0.000
H7 2.320 -0.394 0.000

Atom - Atom Distances (Å)
  Al1 O2 O3 O4 H5 H6 H7
Al11.70821.70821.70822.35332.35332.3533
O21.70822.95872.95870.95873.82733.1307
O31.70822.95872.95873.13070.95873.8273
O41.70822.95872.95873.82733.13070.9587
H52.35330.95873.13073.82734.07614.0761
H62.35333.82730.95873.13074.07614.0761
H72.35333.13073.82730.95874.07614.0761

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 121.295 Al1 O3 H6 121.295
Al1 O4 H7 121.295 O2 Al1 O3 120.000
O2 Al1 O4 120.000 O3 Al1 O4 120.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability