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

using model chemistry: BLYP/cc-pV(D+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/cc-pV(D+d)Z
 hartrees
Energy at 0K-535.949634
Energy at 298.15K 
HF Energy-535.949634
Nuclear repulsion energy49.337132
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 BLYP/cc-pV(D+d)Z
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' 3545 3545 43.05      
2 A' 1190 1190 38.78      
3 A' 660 660 0.92      

Unscaled Zero Point Vibrational Energy (zpe) 2697.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2697.5 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 BLYP/cc-pV(D+d)Z
ABC
19.14915 0.46915 0.45793

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pV(D+d)Z

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.037 1.144 0.000
H2 -0.933 1.324 0.000
Cl3 0.037 -0.616 0.000

Atom - Atom Distances (Å)
  O1 H2 Cl3
O10.98711.7596
H20.98712.1690
Cl31.75962.1690

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 100.515
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pV(D+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.259      
2 H 0.190      
3 Cl 0.069      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.585 0.225 0.000 1.601
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.740 -2.381 0.000
y -2.381 -16.208 0.000
z 0.000 0.000 -18.843
Traceless
 xyz
x 0.785 -2.381 0.000
y -2.381 1.583 0.000
z 0.000 0.000 -2.368
Polar
3z2-r2-4.737
x2-y2-0.532
xy-2.381
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.618 -0.250 0.000
y -0.250 3.306 0.000
z 0.000 0.000 1.144


<r2> (average value of r2) Å2
<r2> 30.353
(<r2>)1/2 5.509