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

using model chemistry: B3LYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3H 1A'
Energy calculated at B3LYP/3-21G*
 hartrees
Energy at 0K-467.558672
Energy at 298.15K-467.562712
HF Energy-467.558672
Nuclear repulsion energy161.559857
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 B3LYP/3-21G*
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' 3653 3514 0.00      
2 A' 750 721 0.00      
3 A' 585 563 0.00      
4 A" 306 295 421.46      
5 A" 254 245 120.43      
6 E' 3654 3515 38.43      
6 E' 3654 3515 38.44      
7 E' 1017 979 98.31      
7 E' 1017 979 98.31      
8 E' 596 573 290.26      
8 E' 596 573 290.27      
9 E' 253 243 30.07      
9 E' 253 243 30.07      
10 E" 314 302 0.00      
10 E" 314 302 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 8607.1 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 8280.0 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 B3LYP/3-21G*
ABC
0.21812 0.21812 0.10906

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is C3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.000
O2 0.000 1.691 0.000
O3 -1.464 -0.845 0.000
O4 1.464 -0.845 0.000
H5 -0.801 2.259 0.000
H6 -1.556 -1.823 0.000
H7 2.357 -0.435 0.000

Atom - Atom Distances (Å)
  Al1 O2 O3 O4 H5 H6 H7
Al11.69091.69091.69092.39682.39682.3968
O21.69092.92882.92880.98223.84333.1744
O31.69092.92882.92883.17440.98223.8433
O41.69092.92882.92883.84333.17440.9822
H52.39680.98223.17443.84334.15154.1515
H62.39683.84330.98223.17444.15154.1515
H72.39683.17443.84330.98224.15154.1515

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 125.328 Al1 O3 H6 125.328
Al1 O4 H7 125.328 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 B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.801      
2 O -0.635      
3 O -0.635      
4 O -0.635      
5 H 0.368      
6 H 0.368      
7 H 0.368      


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 -25.555 0.000 0.000
y 0.000 -25.555 0.000
z 0.000 0.000 -26.906
Traceless
 xyz
x 0.675 0.000 0.000
y 0.000 0.675 0.000
z 0.000 0.000 -1.351
Polar
3z2-r2-2.702
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 4.273 0.001 0.000
y 0.001 4.273 0.000
z 0.000 0.000 2.590


<r2> (average value of r2) Å2
<r2> 102.099
(<r2>)1/2 10.104