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

using model chemistry: CCSD(T)/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3H 1A'
Energy calculated at CCSD(T)/6-311+G(3df,2p)
 hartrees
Energy at 0K-469.376842
Energy at 298.15K-469.381008
HF Energy-468.537729
Nuclear repulsion energy161.719035
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 CCSD(T)/6-311+G(3df,2p)
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' 3975 3923        
2 A' 706 697        
3 A' 611 603        
4 A" 327 323        
5 A" 296 292        
6 E' 3974 3922        
6 E' 3974 3922        
7 E' 937 925        
7 E' 937 924        
8 E' 620 612        
8 E' 618 610        
9 E' 226 223        
9 E' 223 220        
10 E" 361 356        
10 E" 361 356        

Unscaled Zero Point Vibrational Energy (zpe) 9073.2 cm-1
Scaled (by 0.9869) Zero Point Vibrational Energy (zpe) 8954.3 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 CCSD(T)/6-311+G(3df,2p)
ABC
0.21762 0.21762 0.10881

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-311+G(3df,2p)

Point Group is C3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.000
O2 0.000 1.696 0.000
O3 -1.469 -0.848 0.000
O4 1.469 -0.848 0.000
H5 -0.790 2.231 0.000
H6 -1.537 -1.800 0.000
H7 2.327 -0.431 0.000

Atom - Atom Distances (Å)
  Al1 O2 O3 O4 H5 H6 H7
Al11.69581.69581.69582.36692.36692.3669
O21.69582.93722.93720.95463.81873.1527
O31.69582.93722.93723.15270.95463.8187
O41.69582.93722.93723.81873.15270.9546
H52.36690.95463.15273.81874.09964.0996
H62.36693.81870.95463.15274.09964.0996
H72.36693.15273.81870.95464.09964.0996

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 124.101 Al1 O3 H6 124.101
Al1 O4 H7 124.101 O2 Al1 O3 120.000
O2 Al1 O4 120.000 O3 Al1 O4 120.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability