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

using model chemistry: QCISD(T)/aug-cc-pVDZ

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)/aug-cc-pVDZ
 hartrees
Energy at 0K-469.177136
Energy at 298.15K-469.181316
HF Energy-468.466173
Nuclear repulsion energy158.834039
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)/aug-cc-pVDZ
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' 3895 3808        
2 A' 701 686        
3 A' 635 621        
4 A" 319 312        
5 A" 286 279        
6 E' 3895 3808        
6 E' 3894 3808        
7 E' 900 880        
7 E' 899 879        
8 E' 683 668        
8 E' 681 666        
9 E' 219 215        
9 E' 216 211        
10 E" 356 348        
10 E" 356 348        

Unscaled Zero Point Vibrational Energy (zpe) 8967.2 cm-1
Scaled (by 0.9778) Zero Point Vibrational Energy (zpe) 8768.1 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)/aug-cc-pVDZ
ABC
0.20965 0.20965 0.10482

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

Point Group is C3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.000
O2 0.000 1.731 0.000
O3 -1.500 -0.866 0.000
O4 1.500 -0.866 0.000
H5 -0.831 2.217 0.000
H6 -1.505 -1.829 0.000
H7 2.336 -0.389 0.000

Atom - Atom Distances (Å)
  Al1 O2 O3 O4 H5 H6 H7
Al11.73151.73151.73152.36822.36822.3682
O21.73152.99902.99900.96303.86513.1547
O31.73152.99902.99903.15470.96303.8651
O41.73152.99902.99903.86513.15470.9630
H52.36820.96303.15473.86514.10184.1018
H62.36823.86510.96303.15474.10184.1018
H72.36823.15473.86510.96304.10184.1018

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 120.306 Al1 O3 H6 120.306
Al1 O4 H7 120.306 O2 Al1 O3 120.000
O2 Al1 O4 120.000 O3 Al1 O4 120.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability