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

using model chemistry: BLYP/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 BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-535.969163
Energy at 298.15K-535.970224
HF Energy-535.969163
Nuclear repulsion energy49.168580
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/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' 3593 3586 58.93 67.64 0.18 0.30
2 A' 1196 1193 42.89 4.31 0.34 0.50
3 A' 678 676 4.29 16.08 0.19 0.32

Unscaled Zero Point Vibrational Energy (zpe) 2733.1 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 2727.9 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/aug-cc-pVDZ
ABC
19.51740 0.46504 0.45421

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.037 1.147 0.000
H2 -0.925 1.348 0.000
Cl3 0.037 -0.619 0.000

Atom - Atom Distances (Å)
  O1 H2 Cl3
O10.98291.7660
H20.98292.1896
Cl31.76602.1896

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 101.796
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.371      
2 H 0.131      
3 Cl 0.240      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.459 0.291 0.000 1.488
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.410 -2.496 0.000
y -2.496 -16.856 0.000
z 0.000 0.000 -19.711
Traceless
 xyz
x 0.873 -2.496 0.000
y -2.496 1.704 0.000
z 0.000 0.000 -2.578
Polar
3z2-r2-5.155
x2-y2-0.554
xy-2.496
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.967 -0.176 0.000
y -0.176 4.462 0.000
z 0.000 0.000 2.786


<r2> (average value of r2) Å2
<r2> 30.983
(<r2>)1/2 5.566