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

using model chemistry: HF/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-311+G(3df,2p)
 hartrees
Energy at 0K-534.913460
Energy at 298.15K-534.914604
HF Energy-534.913460
Nuclear repulsion energy52.535750
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 HF/6-311+G(3df,2p)
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' 4151 3772 124.77 55.02 0.20 0.34
2 A' 1387 1260 49.41 1.13 0.57 0.73
3 A' 870 791 12.59 26.13 0.26 0.41

Unscaled Zero Point Vibrational Energy (zpe) 3204.0 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 2911.1 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 HF/6-311+G(3df,2p)
ABC
22.19811 0.53320 0.52070

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.035 1.065 0.000
H2 -0.870 1.328 0.000
Cl3 0.035 -0.579 0.000

Atom - Atom Distances (Å)
  O1 H2 Cl3
O10.94271.6437
H20.94272.1109
Cl31.64372.1109

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 106.218
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.300      
2 H 0.246      
3 Cl 0.054      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.575 0.369 0.000 1.618
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.075 -2.676 0.000
y -2.676 -16.662 0.000
z 0.000 0.000 -19.291
Traceless
 xyz
x 0.902 -2.676 0.000
y -2.676 1.521 0.000
z 0.000 0.000 -2.422
Polar
3z2-r2-4.845
x2-y2-0.413
xy-2.676
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.567 -0.143 0.000
y -0.143 3.874 0.000
z 0.000 0.000 2.434


<r2> (average value of r2) Å2
<r2> 28.360
(<r2>)1/2 5.325