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

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-90.690112
Energy at 298.15K-90.691162
HF Energy-90.690112
Nuclear repulsion energy22.030721
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 B3LYP/LANL2DZ
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' 3582 3443 33.73 91.18 0.32 0.49
2 A' 1221 1173 40.75 8.31 0.75 0.85
3 A' 662 636 0.25 20.72 0.32 0.48

Unscaled Zero Point Vibrational Energy (zpe) 2732.4 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 2626.4 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 B3LYP/LANL2DZ
ABC
19.37645 0.42963 0.42031

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.037 1.192 0.000
H2 -0.929 1.419 0.000
Cl3 0.037 -0.644 0.000

Atom - Atom Distances (Å)
  O1 H2 Cl3
O10.99251.8361
H20.99252.2782
Cl31.83612.2782

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 103.226
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.505      
2 H 0.388      
3 Cl 0.117      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.120 0.156 0.000 2.126
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.172 -3.083 0.000
y -3.083 -16.001 0.000
z 0.000 0.000 -18.418
Traceless
 xyz
x 1.038 -3.083 0.000
y -3.083 1.294 0.000
z 0.000 0.000 -2.331
Polar
3z2-r2-4.663
x2-y2-0.171
xy-3.083
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.977 -0.283 0.000
y -0.283 3.757 0.000
z 0.000 0.000 0.243


<r2> (average value of r2) Å2
<r2> 27.699
(<r2>)1/2 5.263