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

using model chemistry: HSEh1PBE/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/aug-cc-pVTZ
 hartrees
Energy at 0K-535.805496
Energy at 298.15K-535.806605
HF Energy-535.805496
Nuclear repulsion energy51.292999
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 HSEh1PBE/aug-cc-pVTZ
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' 3817 3672 83.88 62.32 0.17 0.29
2 A' 1276 1227 44.57 2.71 0.31 0.48
3 A' 780 750 9.32 15.39 0.21 0.35

Unscaled Zero Point Vibrational Energy (zpe) 2936.8 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 2824.6 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 HSEh1PBE/aug-cc-pVTZ
ABC
20.59006 0.50856 0.49630

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.036 1.094 0.000
H2 -0.902 1.318 0.000
Cl3 0.036 -0.592 0.000

Atom - Atom Distances (Å)
  O1 H2 Cl3
O10.96421.6864
H20.96422.1278
Cl31.68642.1278

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 103.399
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.382      
2 H 0.207      
3 Cl 0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.497 0.370 0.000 1.542
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.059 -2.536 0.000
y -2.536 -16.686 0.000
z 0.000 0.000 -19.285
Traceless
 xyz
x 0.927 -2.536 0.000
y -2.536 1.486 0.000
z 0.000 0.000 -2.413
Polar
3z2-r2-4.826
x2-y2-0.373
xy-2.536
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.932 -0.150 0.000
y -0.150 4.184 0.000
z 0.000 0.000 2.786


<r2> (average value of r2) Å2
<r2> 29.164
(<r2>)1/2 5.400