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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3H 1A'
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-469.827444
Energy at 298.15K-469.831224
HF Energy-469.827444
Nuclear repulsion energy160.087225
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 B3PW91/6-31G
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' 3973 3805 0.00      
2 A' 725 694 0.00      
3 A' 437 418 0.00      
4 A" 377 361 824.54      
5 A" 278 266 4.46      
6 E' 3973 3805 130.80      
6 E' 3973 3805 130.80      
7 E' 972 931 122.59      
7 E' 972 931 122.58      
8 E' 425 407 345.22      
8 E' 425 407 345.21      
9 E' 234 224 65.76      
9 E' 234 224 65.75      
10 E" 346 331 0.00      
10 E" 346 331 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 8844.5 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 8470.4 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 B3PW91/6-31G
ABC
0.21260 0.21260 0.10630

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is C3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.000
O2 0.000 1.705 0.000
O3 -1.476 -0.852 0.000
O4 1.476 -0.852 0.000
H5 -0.611 2.441 0.000
H6 -1.809 -1.750 0.000
H7 2.420 -0.692 0.000

Atom - Atom Distances (Å)
  Al1 O2 O3 O4 H5 H6 H7
Al11.70471.70471.70472.51672.51672.5167
O21.70472.95262.95260.95703.89933.4056
O31.70472.95262.95263.40560.95703.8993
O41.70472.95262.95263.89933.40560.9570
H52.51670.95703.40563.89934.35904.3590
H62.51673.89930.95703.40564.35904.3590
H72.51673.40563.89930.95704.35904.3590

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 140.344 Al1 O3 H6 140.344
Al1 O4 H7 140.344 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 B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 1.507      
2 O -0.917      
3 O -0.917      
4 O -0.917      
5 H 0.415      
6 H 0.415      
7 H 0.415      


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 -25.766 0.000 0.000
y 0.000 -25.766 0.000
z 0.000 0.000 -27.184
Traceless
 xyz
x 0.709 0.000 0.000
y 0.000 0.709 0.000
z 0.000 0.000 -1.418
Polar
3z2-r2-2.835
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 4.246 0.000 0.000
y 0.000 4.247 0.000
z 0.000 0.000 2.341


<r2> (average value of r2) Å2
<r2> 105.131
(<r2>)1/2 10.253