return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: BLYP/cc-pV(T+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3H 1A'
Energy calculated at BLYP/cc-pV(T+d)Z
 hartrees
Energy at 0K-470.162423
Energy at 298.15K-470.166530
HF Energy-470.162423
Nuclear repulsion energy160.618075
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 BLYP/cc-pV(T+d)Z
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' 3777 3761 0.00      
2 A' 694 691 0.00      
3 A' 629 627 0.00      
4 A" 303 302 320.12      
5 A" 276 275 17.87      
6 E' 3777 3761 82.30      
6 E' 3777 3761 82.26      
7 E' 908 904 134.78      
7 E' 908 904 134.75      
8 E' 654 652 199.08      
8 E' 654 652 199.11      
9 E' 219 218 25.67      
9 E' 219 218 25.67      
10 E" 348 347 0.00      
10 E" 348 347 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 8746.2 cm-1
Scaled (by 0.9958) Zero Point Vibrational Energy (zpe) 8709.5 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 BLYP/cc-pV(T+d)Z
ABC
0.21492 0.21492 0.10746

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pV(T+d)Z

Point Group is C3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.000
O2 0.000 1.708 0.000
O3 -1.479 -0.854 0.000
O4 1.479 -0.854 0.000
H5 -0.826 2.211 0.000
H6 -1.502 -1.821 0.000
H7 2.328 -0.390 0.000

Atom - Atom Distances (Å)
  Al1 O2 O3 O4 H5 H6 H7
Al11.70831.70831.70832.36032.36032.3603
O21.70832.95882.95880.96693.83543.1341
O31.70832.95882.95883.13410.96693.8354
O41.70832.95882.95883.83543.13410.9669
H52.36030.96693.13413.83544.08814.0881
H62.36033.83540.96693.13414.08814.0881
H72.36033.13413.83540.96694.08814.0881

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 121.334 Al1 O3 H6 121.334
Al1 O4 H7 121.334 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 BLYP/cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.618      
2 O -0.401      
3 O -0.401      
4 O -0.401      
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 -27.682 0.000 0.000
y 0.000 -27.682 0.000
z 0.000 0.000 -27.880
Traceless
 xyz
x 0.099 0.000 0.000
y 0.000 0.099 0.000
z 0.000 0.000 -0.198
Polar
3z2-r2-0.396
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 5.445 0.001 0.000
y 0.001 5.446 0.000
z 0.000 0.000 4.336


<r2> (average value of r2) Å2
<r2> 104.081
(<r2>)1/2 10.202