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All results from a given calculation for HOF (Hypofluorous acid)

using model chemistry: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-175.473448
Energy at 298.15K 
HF Energy-175.473448
Nuclear repulsion energy34.006276
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 B3PW91/6-31G(2df,p)
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' 3771 3626 34.51 45.57 0.29 0.45
2 A' 1434 1379 60.52 3.79 0.60 0.75
3 A' 1030 990 4.14 8.68 0.27 0.42

Unscaled Zero Point Vibrational Energy (zpe) 3117.5 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 2997.1 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 B3PW91/6-31G(2df,p)
ABC
19.69930 0.93082 0.88882

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.053 0.697 0.000
H2 -0.904 0.844 0.000
F3 0.053 -0.713 0.000

Atom - Atom Distances (Å)
  O1 H2 F3
O10.96901.4095
H20.96901.8281
F31.40951.8281

picture of Hypofluorous acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 F3 98.770
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.188      
2 H 0.352      
3 F -0.163      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.670 0.797 0.000 1.851
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -8.630 -1.615 0.000
y -1.615 -9.683 0.000
z 0.000 0.000 -10.784
Traceless
 xyz
x 1.603 -1.615 0.000
y -1.615 0.025 0.000
z 0.000 0.000 -1.628
Polar
3z2-r2-3.256
x2-y21.052
xy-1.615
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.204 -0.151 0.000
y -0.151 1.788 0.000
z 0.000 0.000 0.849


<r2> (average value of r2) Å2
<r2> 16.093
(<r2>)1/2 4.012