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

using model chemistry: mPW1PW91/STO-3G

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/STO-3G
 hartrees
Energy at 0K-463.874663
Energy at 298.15K-463.878826
HF Energy-463.874663
Nuclear repulsion energy161.514992
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/STO-3G
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' 3803 3342 0.00      
2 A' 1021 898 0.00      
3 A' 720 633 0.00      
4 A" 337 297 149.63      
5 A" 239 210 66.75      
6 E' 3811 3349 67.87      
6 E' 3811 3349 67.86      
7 E' 1124 988 57.35      
7 E' 1124 988 57.35      
8 E' 947 832 113.24      
8 E' 947 832 113.23      
9 E' 215 189 21.89      
9 E' 215 189 21.89      
10 E" 360 316 0.00      
10 E" 360 316 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 9516.8 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 8364.3 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/STO-3G
ABC
0.21916 0.21916 0.10958

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/STO-3G

Point Group is C3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.000
O2 0.000 1.704 0.000
O3 -1.475 -0.852 0.000
O4 1.475 -0.852 0.000
H5 -0.982 1.962 0.000
H6 -1.208 -1.832 0.000
H7 2.190 -0.131 0.000

Atom - Atom Distances (Å)
  Al1 O2 O3 O4 H5 H6 H7
Al11.70371.70371.70372.19432.19432.1943
O21.70372.95092.95091.01543.73612.8571
O31.70372.95092.95092.85711.01543.7361
O41.70372.95092.95093.73612.85711.0154
H52.19431.01542.85713.73613.80063.8006
H62.19433.73611.01542.85713.80063.8006
H72.19432.85713.73611.01543.80063.8006

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 104.753 Al1 O3 H6 104.753
Al1 O4 H7 104.753 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/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.900      
2 O -0.438      
3 O -0.438      
4 O -0.438      
5 H 0.138      
6 H 0.138      
7 H 0.138      


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 -26.886 0.000 0.000
y 0.000 -26.886 0.000
z 0.000 0.000 -22.502
Traceless
 xyz
x -2.192 0.000 0.000
y 0.000 -2.192 0.000
z 0.000 0.000 4.384
Polar
3z2-r28.768
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 3.315 0.000 0.000
y 0.000 3.315 0.000
z 0.000 0.000 0.790


<r2> (average value of r2) Å2
<r2> 99.986
(<r2>)1/2 9.999