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

using model chemistry: B3LYP/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-470.106064
Energy at 298.15K-470.110275
HF Energy-470.106064
Nuclear repulsion energy162.122398
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/6-31G(2df,p)
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' 3921 3784 0.00      
2 A' 722 697 0.00      
3 A' 665 642 0.00      
4 A" 315 304 366.61      
5 A" 282 273 8.54      
6 E' 3920 3783 102.52      
6 E' 3920 3783 102.48      
7 E' 955 922 132.23      
7 E' 955 922 132.18      
8 E' 689 665 219.19      
8 E' 689 665 219.23      
9 E' 222 214 26.28      
9 E' 222 214 26.28      
10 E" 353 341 0.00      
10 E" 353 341 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 9091.7 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 8773.5 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 B3LYP/6-31G(2df,p)
ABC
0.21896 0.21896 0.10948

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

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 -0.823 2.182 0.000
H6 -1.478 -1.804 0.000
H7 2.301 -0.378 0.000

Atom - Atom Distances (Å)
  Al1 O2 O3 O4 H5 H6 H7
Al11.69301.69301.69302.33232.33232.3323
O21.69302.93232.93230.95773.79663.0960
O31.69302.93232.93233.09600.95773.7966
O41.69302.93232.93233.79663.09600.9577
H52.33230.95773.09603.79664.03964.0396
H62.33233.79660.95773.09604.03964.0396
H72.33233.09603.79660.95774.03964.0396

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 120.712 Al1 O3 H6 120.712
Al1 O4 H7 120.712 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/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.854      
2 O -0.584      
3 O -0.584      
4 O -0.584      
5 H 0.299      
6 H 0.299      
7 H 0.299      


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 -26.783 0.000 0.000
y 0.000 -26.783 0.000
z 0.000 0.000 -27.103
Traceless
 xyz
x 0.160 0.000 0.000
y 0.000 0.160 0.000
z 0.000 0.000 -0.320
Polar
3z2-r2-0.641
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 4.748 0.001 0.000
y 0.001 4.749 0.000
z 0.000 0.000 3.742


<r2> (average value of r2) Å2
<r2> 101.900
(<r2>)1/2 10.095