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

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3H 1A'
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-470.062512
Energy at 298.15K-470.066755
HF Energy-470.062512
Nuclear repulsion energy161.613591
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 mPW1PW91/6-311G*
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' 3982 3800 0.00      
2 A' 714 681 0.00      
3 A' 632 603 0.00      
4 A" 354 338 578.71      
5 A" 285 272 0.09      
6 E' 3981 3799 88.31      
6 E' 3981 3799 88.31      
7 E' 957 914 160.13      
7 E' 957 913 160.12      
8 E' 648 618 297.49      
8 E' 648 618 297.49      
9 E' 225 215 35.66      
9 E' 225 215 35.66      
10 E" 372 355 0.00      
10 E" 372 355 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 9165.9 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 8747.9 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 mPW1PW91/6-311G*
ABC
0.21723 0.21723 0.10861

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is C3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.000
O2 0.000 1.696 0.000
O3 -1.469 -0.848 0.000
O4 1.469 -0.848 0.000
H5 -0.774 2.252 0.000
H6 -1.563 -1.796 0.000
H7 2.337 -0.455 0.000

Atom - Atom Distances (Å)
  Al1 O2 O3 O4 H5 H6 H7
Al11.69631.69631.69632.38102.38102.3810
O21.69632.93802.93800.95293.82633.1766
O31.69632.93802.93803.17660.95293.8263
O41.69632.93802.93803.82633.17660.9529
H52.38100.95293.17663.82634.12414.1241
H62.38103.82630.95293.17664.12414.1241
H72.38103.17663.82630.95294.12414.1241

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 125.649 Al1 O3 H6 125.649
Al1 O4 H7 125.649 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 mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 1.220      
2 O -0.841      
3 O -0.841      
4 O -0.841      
5 H 0.434      
6 H 0.434      
7 H 0.434      


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 -26.914 0.000 0.000
y 0.000 -26.914 0.000
z 0.000 0.000 -27.042
Traceless
 xyz
x 0.064 0.000 0.000
y 0.000 0.064 0.000
z 0.000 0.000 -0.128
Polar
3z2-r2-0.257
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 4.355 -0.000 0.000
y -0.000 4.355 0.000
z 0.000 0.000 2.919


<r2> (average value of r2) Å2
<r2> 102.900
(<r2>)1/2 10.144