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

using model chemistry: B3PW91/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3H 1A'
Energy calculated at B3PW91/6-311+G(3df,2p)
 hartrees
Energy at 0K-470.063038
Energy at 298.15K-470.067195
HF Energy-470.063038
Nuclear repulsion energy162.034546
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 B3PW91/6-311+G(3df,2p)
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' 3974 3804 0.00      
2 A' 705 675 0.00      
3 A' 627 600 0.00      
4 A" 322 308 388.19      
5 A" 287 275 1.44      
6 E' 3972 3803 120.47      
6 E' 3972 3803 120.47      
7 E' 933 893 174.93      
7 E' 933 893 174.92      
8 E' 638 611 216.78      
8 E' 638 611 216.79      
9 E' 222 213 29.76      
9 E' 222 213 29.76      
10 E" 355 340 0.00      
10 E" 355 340 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 9078.1 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 8690.5 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 B3PW91/6-311+G(3df,2p)
ABC
0.21855 0.21855 0.10928

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311+G(3df,2p)

Point Group is C3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.000
O2 0.000 1.693 0.000
O3 -1.466 -0.846 0.000
O4 1.466 -0.846 0.000
H5 -0.796 2.219 0.000
H6 -1.523 -1.799 0.000
H7 2.320 -0.420 0.000

Atom - Atom Distances (Å)
  Al1 O2 O3 O4 H5 H6 H7
Al11.69261.69261.69262.35722.35722.3572
O21.69262.93162.93160.95453.80943.1371
O31.69262.93162.93163.13710.95453.8094
O41.69262.93162.93163.80943.13710.9545
H52.35720.95453.13713.80944.08294.0829
H62.35723.80940.95453.13714.08294.0829
H72.35723.13713.80940.95454.08294.0829

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 123.442 Al1 O3 H6 123.442
Al1 O4 H7 123.442 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 B3PW91/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 1.253      
2 O -0.643      
3 O -0.643      
4 O -0.643      
5 H 0.225      
6 H 0.225      
7 H 0.225      


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 -27.749 0.000 0.000
y 0.000 -27.749 0.000
z 0.000 0.000 -27.471
Traceless
 xyz
x -0.139 0.000 0.000
y 0.000 -0.139 0.000
z 0.000 0.000 0.278
Polar
3z2-r20.557
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 5.425 0.000 0.000
y 0.000 5.425 0.000
z 0.000 0.000 4.512


<r2> (average value of r2) Å2
<r2> 102.699
(<r2>)1/2 10.134