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

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3H 1A'
Energy calculated at CBS-Q
 hartrees
Energy at 0K-469.417914
Energy at 298.15K-469.410808
HF Energy-468.383778
Nuclear repulsion energy162.523577
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 CBS-Q
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' 4223 4223 0.00 151.11 0.12 0.21
2 A' 744 744 0.00 4.04 0.08 0.15
3 A' 626 626 0.00 2.43 0.00 0.00
4 A" 392 392 730.85 0.00 0.00 0.00
5 A" 292 292 4.79 0.00 0.00 0.00
6 E' 4221 4221 165.21 50.12 0.75 0.86
6 E' 4221 4221 165.21 50.12 0.75 0.86
7 E' 999 999 201.56 0.92 0.75 0.86
7 E' 999 999 201.56 0.92 0.75 0.86
8 E' 638 638 351.26 1.61 0.75 0.86
8 E' 638 638 351.26 1.61 0.75 0.86
9 E' 242 242 44.72 1.13 0.75 0.86
9 E' 242 242 44.72 1.13 0.75 0.86
10 E" 376 376 0.00 1.39 0.75 0.86
10 E" 376 376 0.00 1.39 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9613.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9613.7 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 CBS-Q
ABC
0.21467 0.21467 0.10733

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is C3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.000
O2 0.000 1.687 0.000
O3 -1.461 -0.843 0.000
O4 1.461 -0.843 0.000
H5 -0.731 2.274 0.000
H6 -1.604 -1.770 0.000
H7 2.335 -0.504 0.000

Atom - Atom Distances (Å)
  Al1 O2 O3 O4 H5 H6 H7
Al11.68681.68681.68682.38852.38852.3885
O21.68682.92162.92160.93763.81083.2016
O31.68682.92162.92163.20160.93763.8108
O41.68682.92162.92163.81083.20160.9376
H52.38850.93763.20163.81084.13714.1371
H62.38853.81080.93763.20164.13714.1371
H72.38853.20163.81080.93764.13714.1371

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 128.766 Al1 O3 H6 128.766
Al1 O4 H7 128.766 O2 Al1 O3 120.000
O2 Al1 O4 120.000 O3 Al1 O4 120.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability