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

using model chemistry: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-536.011141
Energy at 298.15K-536.012229
HF Energy-536.011141
Nuclear repulsion energy50.698797
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 B1B95/6-311G**
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' 3841 3688 80.84 50.55 0.30 0.46
2 A' 1247 1197 37.40 4.10 0.75 0.85
3 A' 734 704 1.92 19.61 0.30 0.47

Unscaled Zero Point Vibrational Energy (zpe) 2910.7 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 2794.6 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 B1B95/6-311G**
ABC
20.46796 0.49550 0.48379

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.036 1.110 0.000
H2 -0.904 1.318 0.000
Cl3 0.036 -0.600 0.000

Atom - Atom Distances (Å)
  O1 H2 Cl3
O10.96291.7098
H20.96292.1363
Cl31.70982.1363

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 102.507
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.415      
2 H 0.296      
3 Cl 0.119      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.781 0.210 0.000 1.793
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.088 -2.593 0.000
y -2.593 -16.573 0.000
z 0.000 0.000 -19.268
Traceless
 xyz
x 0.832 -2.593 0.000
y -2.593 1.605 0.000
z 0.000 0.000 -2.437
Polar
3z2-r2-4.874
x2-y2-0.515
xy-2.593
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.503 -0.224 0.000
y -0.224 3.240 0.000
z 0.000 0.000 1.109


<r2> (average value of r2) Å2
<r2> 29.581
(<r2>)1/2 5.439