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

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3H 1A'
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-469.991651
Energy at 298.15K-469.995775
HF Energy-469.991651
Nuclear repulsion energy161.521939
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 mPW1PW91/6-31G**
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' 3988 3794 0.00      
2 A' 708 674 0.00      
3 A' 656 624 0.00      
4 A" 312 297 417.93      
5 A" 261 249 64.16      
6 E' 3986 3793 106.35      
6 E' 3986 3793 106.35      
7 E' 956 910 150.92      
7 E' 956 910 150.91      
8 E' 682 649 241.63      
8 E' 682 649 241.64      
9 E' 230 219 31.79      
9 E' 230 219 31.79      
10 E" 330 314 0.00      
10 E" 330 314 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 9146.2 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 8702.6 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 mPW1PW91/6-31G**
ABC
0.21720 0.21720 0.10860

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

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 -0.850 0.000
O4 1.473 -0.850 0.000
H5 -0.828 2.181 0.000
H6 -1.475 -1.808 0.000
H7 2.303 -0.374 0.000

Atom - Atom Distances (Å)
  Al1 O2 O3 O4 H5 H6 H7
Al11.70061.70061.70062.33322.33322.3332
O21.70062.94542.94540.95733.80573.0996
O31.70062.94542.94543.09960.95733.8057
O41.70062.94542.94543.80573.09960.9573
H52.33320.95733.09963.80574.04134.0413
H62.33323.80570.95733.09964.04134.0413
H72.33323.09963.80570.95734.04134.0413

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 120.158 Al1 O3 H6 120.158
Al1 O4 H7 120.158 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 mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 1.045      
2 O -0.685      
3 O -0.685      
4 O -0.685      
5 H 0.336      
6 H 0.336      
7 H 0.336      


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 -27.073 0.000 0.000
y 0.000 -27.073 0.000
z 0.000 0.000 -26.827
Traceless
 xyz
x -0.123 0.000 0.000
y 0.000 -0.123 0.000
z 0.000 0.000 0.246
Polar
3z2-r20.492
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 4.356 -0.000 0.000
y -0.000 4.356 0.000
z 0.000 0.000 3.033


<r2> (average value of r2) Å2
<r2> 102.595
(<r2>)1/2 10.129