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All results from a given calculation for HOCl (hypochlorous acid)

using model chemistry: B3LYPultrafine/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/6-31G**
 hartrees
Energy at 0K-535.948814
Energy at 298.15K-535.949898
HF Energy-535.948814
Nuclear repulsion energy50.213996
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 B3LYPultrafine/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' 3762 3615 54.39 65.46 0.28 0.43
2 A' 1273 1223 46.57 4.33 0.67 0.80
3 A' 725 697 1.65 18.20 0.31 0.47

Unscaled Zero Point Vibrational Energy (zpe) 2880.2 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 2767.3 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 B3LYPultrafine/6-31G**
ABC
20.04102 0.48610 0.47458

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.037 1.121 0.000
H2 -0.913 1.328 0.000
Cl3 0.037 -0.606 0.000

Atom - Atom Distances (Å)
  O1 H2 Cl3
O10.97221.7265
H20.97222.1545
Cl31.72652.1545

picture of hypochlorous acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 Cl3 102.313
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.504      
2 H 0.351      
3 Cl 0.153      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.701 0.252 0.000 1.720
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.786 -2.563 0.000
y -2.563 -16.288 0.000
z 0.000 0.000 -18.943
Traceless
 xyz
x 0.830 -2.563 0.000
y -2.563 1.577 0.000
z 0.000 0.000 -2.406
Polar
3z2-r2-4.813
x2-y2-0.498
xy-2.563
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.637 -0.239 0.000
y -0.239 3.231 0.000
z 0.000 0.000 1.227


<r2> (average value of r2) Å2
<r2> 29.747
(<r2>)1/2 5.454