return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3H 1A'
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-470.066511
Energy at 298.15K-470.070394
HF Energy-470.066511
Nuclear repulsion energy160.767477
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 B3LYP/SDD
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3999 3844 0.00      
2 A' 726 698 0.00      
3 A' 434 417 0.00      
4 A" 410 394 836.97      
5 A" 283 272 20.15      
6 E' 3998 3843 144.04      
6 E' 3998 3843 144.03      
7 E' 968 930 165.35      
7 E' 968 930 165.33      
8 E' 428 412 363.22      
8 E' 428 412 363.19      
9 E' 238 229 53.44      
9 E' 238 229 53.44      
10 E" 375 361 0.00      
10 E" 375 361 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 8932.9 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 8587.2 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 B3LYP/SDD
ABC
0.21451 0.21451 0.10726

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is C3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.000
O2 0.000 1.694 0.000
O3 -1.467 -0.847 0.000
O4 1.467 -0.847 0.000
H5 -0.554 2.478 0.000
H6 -1.868 -1.719 0.000
H7 2.423 -0.759 0.000

Atom - Atom Distances (Å)
  Al1 O2 O3 O4 H5 H6 H7
Al11.69391.69391.69392.53882.53882.5388
O21.69392.93392.93390.95993.89083.4475
O31.69392.93392.93393.44750.95993.8908
O41.69392.93392.93393.89083.44750.9599
H52.53880.95993.44753.89084.39734.3973
H62.53883.89080.95993.44754.39734.3973
H72.53883.44753.89080.95994.39734.3973

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 144.726 Al1 O3 H6 144.726
Al1 O4 H7 144.726 O2 Al1 O3 120.000
O2 Al1 O4 120.000 O3 Al1 O4 120.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 1.634      
2 O -0.935      
3 O -0.935      
4 O -0.935      
5 H 0.390      
6 H 0.390      
7 H 0.390      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.737 0.000 0.000
y 0.000 -25.737 0.000
z 0.000 0.000 -27.335
Traceless
 xyz
x 0.799 0.000 0.000
y 0.000 0.799 0.000
z 0.000 0.000 -1.597
Polar
3z2-r2-3.195
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.133 0.000 0.000
y 0.000 4.133 0.000
z 0.000 0.000 2.407


<r2> (average value of r2) Å2
<r2> 104.609
(<r2>)1/2 10.228