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All results from a given calculation for HOClO (Chlorous acid)

using model chemistry: PBEPBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/6-31G**
 hartrees
Energy at 0K-610.712556
Energy at 298.15K-610.714325
HF Energy-610.712556
Nuclear repulsion energy108.161880
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 PBEPBE/6-31G**
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 3616 3567 42.61      
2 A 1112 1097 52.19      
3 A 949 936 51.58      
4 A 558 551 68.16      
5 A 431 425 119.36      
6 A 282 278 3.77      

Unscaled Zero Point Vibrational Energy (zpe) 3474.3 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 3426.7 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 PBEPBE/6-31G**
ABC
1.19815 0.24641 0.20853

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -0.147 -0.437 0.019
O2 1.470 0.312 -0.121
O3 -1.360 0.535 -0.017
H4 1.628 0.653 0.789

Atom - Atom Distances (Å)
  Cl1 O2 O3 H4
Cl11.78791.55552.2205
O21.78792.84110.9841
O31.55552.84113.0970
H42.22050.98413.0970

picture of Chlorous acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 O2 H4 102.565 O2 Cl1 O3 116.203
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl 0.662      
2 O -0.512      
3 O -0.487      
4 H 0.337      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.650 -1.028 1.604 2.520
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.952 2.400 2.676
y 2.400 -22.179 1.115
z 2.676 1.115 -22.247
Traceless
 xyz
x -2.739 2.400 2.676
y 2.400 1.420 1.115
z 2.676 1.115 1.319
Polar
3z2-r22.638
x2-y2-2.773
xy2.400
xz2.676
yz1.115


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.312 -0.039 0.164
y -0.039 2.466 0.122
z 0.164 0.122 1.966


<r2> (average value of r2) Å2
<r2> 57.052
(<r2>)1/2 7.553