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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-610.707460
Energy at 298.15K-610.709220
HF Energy-610.707460
Nuclear repulsion energy108.100943
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 3554 3503 39.63      
2 A 1135 1119 51.72      
3 A 950 937 52.07      
4 A 557 549 67.30      
5 A 428 422 122.38      
6 A 281 277 3.61      

Unscaled Zero Point Vibrational Energy (zpe) 3452.6 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 3403.2 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
1.19717 0.24612 0.20831

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 -0.148 -0.437 0.019
O2 1.471 0.311 -0.122
O3 -1.360 0.536 -0.017
H4 1.632 0.655 0.790

Atom - Atom Distances (Å)
  Cl1 O2 O3 H4
Cl11.78961.55512.2268
O21.78962.84230.9879
O31.55512.84233.1021
H42.22680.98793.1021

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 102.746 O2 Cl1 O3 116.209
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 0.661      
2 O -0.587      
3 O -0.487      
4 H 0.413      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.642 -1.022 1.629 2.528
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.964 2.424 2.724
y 2.424 -22.194 1.135
z 2.724 1.135 -22.248
Traceless
 xyz
x -2.743 2.424 2.724
y 2.424 1.412 1.135
z 2.724 1.135 1.332
Polar
3z2-r22.663
x2-y2-2.770
xy2.424
xz2.724
yz1.135


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.310 -0.039 0.161
y -0.039 2.456 0.123
z 0.161 0.123 1.960


<r2> (average value of r2) Å2
<r2> 57.113
(<r2>)1/2 7.557