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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVTZ
 hartrees
Energy at 0K-535.746916
Energy at 298.15K-535.747999
HF Energy-535.746916
Nuclear repulsion energy50.383970
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 PBEPBEultrafine/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' 3657 3632 59.81 53.37 0.26 0.41
2 A' 1229 1221 43.65 3.28 0.59 0.74
3 A' 721 716 5.82 13.05 0.23 0.38

Unscaled Zero Point Vibrational Energy (zpe) 2803.9 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 2784.5 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 PBEPBEultrafine/cc-pVTZ
ABC
19.76560 0.49030 0.47843

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.037 1.117 0.000
H2 -0.919 1.315 0.000
Cl3 0.037 -0.603 0.000

Atom - Atom Distances (Å)
  O1 H2 Cl3
O10.97641.7197
H20.97642.1428
Cl31.71972.1428

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 101.697
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.266      
2 H 0.226      
3 Cl 0.040      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.525 0.333 0.000 1.561
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.965 -2.429 0.000
y -2.429 -16.399 0.000
z 0.000 0.000 -19.158
Traceless
 xyz
x 0.813 -2.429 0.000
y -2.429 1.663 0.000
z 0.000 0.000 -2.476
Polar
3z2-r2-4.951
x2-y2-0.567
xy-2.429
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.153 -0.196 0.000
y -0.196 3.638 0.000
z 0.000 0.000 1.789


<r2> (average value of r2) Å2
<r2> 29.699
(<r2>)1/2 5.450