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

using model chemistry: B3LYPultrafine/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-535.992941
Energy at 298.15K-535.994030
HF Energy-535.992941
Nuclear repulsion energy50.106991
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 B3LYPultrafine/aug-cc-pVDZ
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' 3752 3641 76.78 64.31 0.17 0.30
2 A' 1246 1209 43.78 3.23 0.36 0.53
3 A' 734 712 5.19 18.33 0.21 0.34

Unscaled Zero Point Vibrational Energy (zpe) 2865.9 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 2781.1 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 B3LYPultrafine/aug-cc-pVDZ
ABC
20.17750 0.48363 0.47231

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.036 1.123 0.000
H2 -0.911 1.339 0.000
Cl3 0.036 -0.607 0.000

Atom - Atom Distances (Å)
  O1 H2 Cl3
O10.97131.7303
H20.97132.1644
Cl31.73032.1644

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 102.844
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.423      
2 H 0.143      
3 Cl 0.281      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.501 0.305 0.000 1.531
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.242 -2.552 0.000
y -2.552 -16.743 0.000
z 0.000 0.000 -19.521
Traceless
 xyz
x 0.890 -2.552 0.000
y -2.552 1.639 0.000
z 0.000 0.000 -2.529
Polar
3z2-r2-5.057
x2-y2-0.499
xy-2.552
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.830 -0.169 0.000
y -0.169 4.280 0.000
z 0.000 0.000 2.655


<r2> (average value of r2) Å2
<r2> 30.154
(<r2>)1/2 5.491