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: HSEh1PBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3H 1A'
Energy calculated at HSEh1PBE/6-31G**
 hartrees
Energy at 0K-469.730290
Energy at 298.15K-469.734403
HF Energy-469.730290
Nuclear repulsion energy161.469282
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 HSEh1PBE/6-31G**
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' 3976 3795 0.00      
2 A' 708 675 0.00      
3 A' 656 626 0.00      
4 A" 309 295 408.23      
5 A" 260 248 68.42      
6 E' 3975 3794 104.00      
6 E' 3975 3794 103.99      
7 E' 956 912 149.50      
7 E' 956 912 149.45      
8 E' 682 651 239.25      
8 E' 682 651 239.24      
9 E' 229 219 31.73      
9 E' 229 219 31.73      
10 E" 329 314 0.00      
10 E" 329 314 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 9125.0 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 8708.0 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 HSEh1PBE/6-31G**
ABC
0.21708 0.21708 0.10854

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is C3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.000
O2 0.000 1.701 0.000
O3 -1.473 -0.851 0.000
O4 1.473 -0.851 0.000
H5 -0.830 2.180 0.000
H6 -1.473 -1.809 0.000
H7 2.303 -0.371 0.000

Atom - Atom Distances (Å)
  Al1 O2 O3 O4 H5 H6 H7
Al11.70111.70111.70112.33262.33262.3326
O21.70112.94652.94650.95813.80643.0981
O31.70112.94652.94653.09810.95813.8064
O41.70112.94652.94653.80643.09810.9581
H52.33260.95813.09813.80644.04024.0402
H62.33263.80640.95813.09814.04024.0402
H72.33263.09813.80640.95814.04024.0402

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 119.986 Al1 O3 H6 119.986
Al1 O4 H7 119.986 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 HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 1.035      
2 O -0.680      
3 O -0.680      
4 O -0.680      
5 H 0.335      
6 H 0.335      
7 H 0.335      


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 -27.114 0.000 0.000
y 0.000 -27.114 0.000
z 0.000 0.000 -26.909
Traceless
 xyz
x -0.102 0.000 0.000
y 0.000 -0.102 0.000
z 0.000 0.000 0.205
Polar
3z2-r20.409
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 4.397 -0.000 0.000
y -0.000 4.397 0.000
z 0.000 0.000 3.063


<r2> (average value of r2) Å2
<r2> 102.668
(<r2>)1/2 10.133