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

using model chemistry: B2PLYP/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-535.825474
Energy at 298.15K-535.826568
HF Energy-535.682056
Nuclear repulsion energy51.015820
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 B2PLYP/6-311+G(3df,2p)
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' 3799 3799 82.48 58.59 0.20 0.33
2 A' 1267 1267 44.96 2.91 0.43 0.60
3 A' 743 743 9.53 16.18 0.20 0.33

Unscaled Zero Point Vibrational Energy (zpe) 2904.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2904.8 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 B2PLYP/6-311+G(3df,2p)
ABC
20.53722 0.50262 0.49062

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.036 1.101 0.000
H2 -0.903 1.325 0.000
Cl3 0.036 -0.596 0.000

Atom - Atom Distances (Å)
  O1 H2 Cl3
O10.96561.6964
H20.96562.1380
Cl31.69642.1380

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 103.432
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.306      
2 H 0.273      
3 Cl 0.033      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.518 0.309 0.000 1.549
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.219 -2.583 0.000
y -2.583 -16.810 0.002
z 0.000 0.002 -19.549
Traceless
 xyz
x 0.960 -2.583 0.000
y -2.583 1.575 0.002
z 0.000 0.002 -2.535
Polar
3z2-r2-5.069
x2-y2-0.410
xy-2.583
xz0.000
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.765 -0.143 0.000
y -0.143 4.121 -0.000
z 0.000 -0.000 2.633


<r2> (average value of r2) Å2
<r2> 29.483
(<r2>)1/2 5.430