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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-469.676045
Energy at 298.15K-469.680169
HF Energy-469.676045
Nuclear repulsion energy161.274020
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 PBE1PBE/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' 3906 3712 0.00      
2 A' 706 671 0.00      
3 A' 670 636 0.00      
4 A" 313 297 429.23      
5 A" 259 246 60.25      
6 E' 3905 3710 101.04      
6 E' 3905 3710 101.04      
7 E' 953 906 154.07      
7 E' 953 906 154.07      
8 E' 701 666 241.84      
8 E' 701 666 241.84      
9 E' 225 214 32.95      
9 E' 225 214 32.94      
10 E" 335 319 0.00      
10 E" 335 319 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 9044.7 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 8595.2 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 PBE1PBE/6-31G*
ABC
0.21667 0.21667 0.10833

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/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 1.703 0.000
O3 -1.475 -0.852 0.000
O4 1.475 -0.852 0.000
H5 -0.842 2.169 0.000
H6 -1.458 -1.814 0.000
H7 2.299 -0.355 0.000

Atom - Atom Distances (Å)
  Al1 O2 O3 O4 H5 H6 H7
Al11.70351.70351.70352.32672.32672.3267
O21.70352.95052.95050.96203.80713.0865
O31.70352.95052.95053.08650.96203.8071
O41.70352.95052.95053.80713.08650.9620
H52.32670.96203.08653.80714.03004.0300
H62.32673.80710.96203.08654.03004.0300
H72.32673.08653.80710.96204.03004.0300

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 118.946 Al1 O3 H6 118.946
Al1 O4 H7 118.947 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 PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 1.042      
2 O -0.780      
3 O -0.780      
4 O -0.780      
5 H 0.432      
6 H 0.432      
7 H 0.432      


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 -27.258 0.000 0.000
y 0.000 -27.258 0.000
z 0.000 0.000 -26.999
Traceless
 xyz
x -0.129 0.000 0.000
y 0.000 -0.129 0.000
z 0.000 0.000 0.259
Polar
3z2-r20.518
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 4.365 -0.000 0.000
y -0.000 4.365 0.000
z 0.000 0.000 3.045


<r2> (average value of r2) Å2
<r2> 102.855
(<r2>)1/2 10.142