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

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3H 1A'
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-470.015269
Energy at 298.15K-470.019440
HF Energy-470.015269
Nuclear repulsion energy161.084507
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 mPW1PW91/6-31+G**
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' 3995 3803 0.00      
2 A' 696 663 0.00      
3 A' 630 600 0.00      
4 A" 338 322 499.08      
5 A" 286 272 0.06      
6 E' 3994 3801 137.09      
6 E' 3994 3801 137.09      
7 E' 933 888 201.38      
7 E' 933 888 201.37      
8 E' 645 614 239.73      
8 E' 645 614 239.73      
9 E' 217 206 36.54      
9 E' 217 206 36.54      
10 E" 368 350 0.00      
10 E" 368 350 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 9129.1 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 8689.1 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 mPW1PW91/6-31+G**
ABC
0.21589 0.21589 0.10795

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.000
O2 0.000 1.703 0.000
O3 -1.475 -0.852 0.000
O4 1.475 -0.852 0.000
H5 -0.802 2.226 0.000
H6 -1.527 -1.808 0.000
H7 2.329 -0.419 0.000

Atom - Atom Distances (Å)
  Al1 O2 O3 O4 H5 H6 H7
Al11.70341.70341.70342.36622.36622.3662
O21.70342.95042.95040.95733.82873.1506
O31.70342.95042.95043.15060.95733.8287
O41.70342.95042.95043.82873.15060.9573
H52.36620.95733.15063.82874.09834.0983
H62.36623.82870.95733.15064.09834.0983
H72.36623.15063.82870.95734.09834.0983

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 123.092 Al1 O3 H6 123.092
Al1 O4 H7 123.092 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 mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.550      
2 O -0.548      
3 O -0.548      
4 O -0.548      
5 H 0.365      
6 H 0.365      
7 H 0.365      


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 -27.943 0.000 0.000
y 0.000 -27.943 0.000
z 0.000 0.000 -27.795
Traceless
 xyz
x -0.074 0.000 0.000
y 0.000 -0.074 0.000
z 0.000 0.000 0.148
Polar
3z2-r20.295
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 4.865 -0.000 0.000
y -0.000 4.865 0.000
z 0.000 0.000 3.839


<r2> (average value of r2) Å2
<r2> 103.859
(<r2>)1/2 10.191