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

using model chemistry: B3PW91/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-470.061728
Energy at 298.15K-470.065909
HF Energy-470.061728
Nuclear repulsion energy161.547800
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/cc-pVTZ
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' 3947 3796 0.00      
2 A' 706 679 0.00      
3 A' 643 618 0.00      
4 A" 319 307 376.09      
5 A" 285 274 0.80      
6 E' 3946 3795 110.47      
6 E' 3946 3795 110.47      
7 E' 935 899 157.13      
7 E' 935 899 157.12      
8 E' 661 636 209.59      
8 E' 661 636 209.59      
9 E' 220 212 28.90      
9 E' 220 212 28.90      
10 E" 354 340 0.00      
10 E" 354 340 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 9066.1 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 8718.0 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/cc-pVTZ
ABC
0.21720 0.21720 0.10860

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is C3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.000
O2 0.000 1.699 0.000
O3 -1.472 -0.850 0.000
O4 1.472 -0.850 0.000
H5 -0.813 2.202 0.000
H6 -1.500 -1.805 0.000
H7 2.313 -0.397 0.000

Atom - Atom Distances (Å)
  Al1 O2 O3 O4 H5 H6 H7
Al11.69931.69931.69932.34722.34722.3472
O21.69932.94332.94330.95583.81203.1218
O31.69932.94332.94333.12180.95583.8120
O41.69932.94332.94333.81203.12180.9558
H52.34720.95583.12183.81204.06544.0654
H62.34723.81200.95583.12184.06544.0654
H72.34723.12183.81200.95584.06544.0654

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 121.720 Al1 O3 H6 121.720
Al1 O4 H7 121.720 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/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.559      
2 O -0.381      
3 O -0.381      
4 O -0.381      
5 H 0.195      
6 H 0.195      
7 H 0.195      


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 -27.373 0.000 0.000
y 0.000 -27.373 0.000
z 0.000 0.000 -27.208
Traceless
 xyz
x -0.082 0.000 0.000
y 0.000 -0.082 0.000
z 0.000 0.000 0.165
Polar
3z2-r20.330
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 4.978 0.000 0.000
y 0.000 4.978 0.000
z 0.000 0.000 4.031


<r2> (average value of r2) Å2
<r2> 102.896
(<r2>)1/2 10.144