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: TPSSh/cc-pV(T+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3H 1A'
Energy calculated at TPSSh/cc-pV(T+d)Z
 hartrees
Energy at 0K-470.191139
Energy at 298.15K-470.195314
HF Energy-470.191139
Nuclear repulsion energy161.810198
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 TPSSh/cc-pV(T+d)Z
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' 3894 3894 0.00      
2 A' 706 706 0.00      
3 A' 635 635 0.00      
4 A" 320 320 354.27      
5 A" 281 281 7.94      
6 E' 3893 3893 95.69      
6 E' 3893 3893 95.62      
7 E' 933 933 147.54      
7 E' 933 933 147.61      
8 E' 651 651 213.59      
8 E' 651 651 213.65      
9 E' 219 219 28.02      
9 E' 219 219 28.00      
10 E" 360 360 0.00      
10 E" 360 360 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 8974.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8974.3 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 TPSSh/cc-pV(T+d)Z
ABC
0.21809 0.21809 0.10904

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/cc-pV(T+d)Z

Point Group is C3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.000
O2 0.000 1.695 0.000
O3 -1.468 -0.848 0.000
O4 1.468 -0.848 0.000
H5 -0.812 2.205 0.000
H6 -1.503 -1.806 0.000
H7 2.316 -0.399 0.000

Atom - Atom Distances (Å)
  Al1 O2 O3 O4 H5 H6 H7
Al11.69521.69521.69522.35002.35002.3500
O21.69522.93622.93620.95923.81053.1223
O31.69522.93622.93623.12230.95923.8105
O41.69522.93622.93623.81053.12230.9592
H52.35000.95923.12233.81054.07034.0703
H62.35003.81050.95923.12234.07034.0703
H72.35003.12233.81050.95924.07034.0703

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 122.112 Al1 O3 H6 122.112
Al1 O4 H7 122.112 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 TPSSh/cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.660      
2 O -0.428      
3 O -0.428      
4 O -0.428      
5 H 0.208      
6 H 0.208      
7 H 0.208      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.106 -0.001 0.000
y -0.001 5.105 0.000
z 0.000 0.000 4.158


<r2> (average value of r2) Å2
<r2> 102.580
(<r2>)1/2 10.128