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

using model chemistry: wB97X-D/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/Def2TZVPP
 hartrees
Energy at 0K-535.980690
Energy at 298.15K-535.981800
HF Energy-535.980690
Nuclear repulsion energy51.553437
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 wB97X-D/Def2TZVPP
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' 3870 3697 83.03 50.65 0.24 0.38
2 A' 1288 1231 43.99 2.46 0.67 0.80
3 A' 785 750 9.89 16.82 0.24 0.38

Unscaled Zero Point Vibrational Energy (zpe) 2971.5 cm-1
Scaled (by 0.9552) Zero Point Vibrational Energy (zpe) 2838.4 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 wB97X-D/Def2TZVPP
ABC
20.80148 0.51390 0.50151

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.036 1.088 0.000
H2 -0.898 1.317 0.000
Cl3 0.036 -0.589 0.000

Atom - Atom Distances (Å)
  O1 H2 Cl3
O10.96121.6772
H20.96122.1225
Cl31.67722.1225

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 103.789
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.227      
2 H 0.198      
3 Cl 0.029      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.580 0.310 0.000 1.610
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.853 -2.544 0.000
y -2.544 -16.419 0.000
z 0.000 0.000 -19.030
Traceless
 xyz
x 0.872 -2.544 0.000
y -2.544 1.523 0.000
z 0.000 0.000 -2.395
Polar
3z2-r2-4.789
x2-y2-0.434
xy-2.544
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.075 -0.167 0.000
y -0.167 3.598 0.000
z 0.000 0.000 1.782


<r2> (average value of r2) Å2
<r2> 28.832
(<r2>)1/2 5.370