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

using model chemistry: PBE1PBE/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 PBE1PBE/aug-cc-pVTZ
 hartrees
Energy at 0K-535.780960
Energy at 298.15K-535.782072
HF Energy-535.780960
Nuclear repulsion energy51.352198
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/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' 3824 3676 84.42 61.86 0.17 0.29
2 A' 1277 1228 44.58 2.67 0.31 0.48
3 A' 786 756 9.51 15.21 0.21 0.35

Unscaled Zero Point Vibrational Energy (zpe) 2943.1 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 2829.8 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/aug-cc-pVTZ
ABC
20.58625 0.50987 0.49754

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.036 1.093 0.000
H2 -0.902 1.316 0.000
Cl3 0.036 -0.592 0.000

Atom - Atom Distances (Å)
  O1 H2 Cl3
O10.96431.6843
H20.96432.1257
Cl31.68432.1257

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 103.387
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.381      
2 H 0.207      
3 Cl 0.173      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.498 0.376 0.000 1.544
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.050 -2.533 0.000
y -2.533 -16.682 0.000
z 0.000 0.000 -19.279
Traceless
 xyz
x 0.931 -2.533 0.000
y -2.533 1.482 0.000
z 0.000 0.000 -2.413
Polar
3z2-r2-4.825
x2-y2-0.367
xy-2.533
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.926 -0.149 0.000
y -0.149 4.171 0.000
z 0.000 0.000 2.781


<r2> (average value of r2) Å2
<r2> 29.115
(<r2>)1/2 5.396