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

using model chemistry: PBE1PBE/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 PBE1PBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-535.771697
Energy at 298.15K-535.772808
HF Energy-535.771697
Nuclear repulsion energy51.588320
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 PBE1PBE/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' 3847 3847 87.17 57.34 0.19 0.32
2 A' 1279 1279 46.35 2.80 0.43 0.60
3 A' 787 787 11.11 14.62 0.21 0.35

Unscaled Zero Point Vibrational Energy (zpe) 2956.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2956.6 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 PBE1PBE/6-311+G(3df,2p)
ABC
20.73996 0.51488 0.50241

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.036 1.087 0.000
H2 -0.899 1.318 0.000
Cl3 0.036 -0.589 0.000

Atom - Atom Distances (Å)
  O1 H2 Cl3
O10.96311.6754
H20.96312.1235
Cl31.67542.1235

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 103.888
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.274      
2 H 0.261      
3 Cl 0.013      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.514 0.396 0.000 1.565
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.056 -2.565 0.000
y -2.565 -16.644 0.000
z 0.000 0.000 -19.365
Traceless
 xyz
x 0.948 -2.565 0.000
y -2.565 1.567 0.000
z 0.000 0.000 -2.515
Polar
3z2-r2-5.030
x2-y2-0.412
xy-2.565
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.750 -0.140 0.000
y -0.140 4.019 0.000
z 0.000 0.000 2.622


<r2> (average value of r2) Å2
<r2> 28.964
(<r2>)1/2 5.382