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: wB97X-D/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3H 1A'
Energy calculated at wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-470.105821
Energy at 298.15K-470.109973
HF Energy-470.105821
Nuclear repulsion energy161.849848
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 wB97X-D/cc-pVTZ
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' 3997 3821 0.00      
2 A' 697 666 0.00      
3 A' 629 601 0.00      
4 A" 324 310 397.34      
5 A" 282 270 0.06      
6 E' 3995 3820 115.21      
6 E' 3995 3820 115.19      
7 E' 918 878 161.54      
7 E' 918 878 161.71      
8 E' 645 617 221.02      
8 E' 645 617 221.17      
9 E' 221 211 30.31      
9 E' 221 211 30.33      
10 E" 354 339 0.00      
10 E" 354 339 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 9098.0 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 8697.7 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 wB97X-D/cc-pVTZ
ABC
0.21796 0.21796 0.10898

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

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 -1.468 -0.848 0.000
O4 1.468 -0.848 0.000
H5 -0.800 2.213 0.000
H6 -1.516 -1.799 0.000
H7 2.316 -0.413 0.000

Atom - Atom Distances (Å)
  Al1 O2 O3 O4 H5 H6 H7
Al11.69551.69551.69552.35302.35302.3530
O21.69552.93672.93670.95293.80963.1325
O31.69552.93672.93673.13250.95293.8096
O41.69552.93672.93673.80963.13250.9529
H52.35300.95293.13253.80964.07554.0755
H62.35303.80960.95293.13254.07554.0755
H72.35303.13253.80960.95294.07554.0755

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 122.869 Al1 O3 H6 122.869
Al1 O4 H7 122.869 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 wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.572      
2 O -0.382      
3 O -0.382      
4 O -0.382      
5 H 0.192      
6 H 0.192      
7 H 0.192      


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 -27.320 0.000 0.000
y 0.000 -27.320 0.000
z 0.000 0.000 -27.154
Traceless
 xyz
x -0.083 0.000 0.000
y 0.000 -0.083 0.000
z 0.000 0.000 0.166
Polar
3z2-r20.332
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 4.868 0.001 0.000
y 0.001 4.868 0.000
z 0.000 0.000 3.979


<r2> (average value of r2) Å2
<r2> 102.634
(<r2>)1/2 10.131