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

using model chemistry: QCISD/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/Def2TZVPP
 hartrees
Energy at 0K-535.375208
Energy at 298.15K-535.376312
HF Energy-534.917000
Nuclear repulsion energy51.257028
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 QCISD/Def2TZVPP
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' 3853 3853 74.60      
2 A' 1297 1297 41.46      
3 A' 765 765 7.84      

Unscaled Zero Point Vibrational Energy (zpe) 2957.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2957.5 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 QCISD/Def2TZVPP
ABC
20.62142 0.50749 0.49530

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.036 1.096 0.000
H2 -0.901 1.312 0.000
Cl3 0.036 -0.593 0.000

Atom - Atom Distances (Å)
  O1 H2 Cl3
O10.96151.6888
H20.96152.1225
Cl31.68882.1225

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 102.968
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability