return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-175.538221
Energy at 298.15K 
HF Energy-175.538221
Nuclear repulsion energy33.753238
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 B3LYPultrafine/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' 3733 3603 31.01 47.56 0.30 0.46
2 A' 1418 1369 59.46 4.06 0.60 0.75
3 A' 1005 970 4.30 8.89 0.27 0.42

Unscaled Zero Point Vibrational Energy (zpe) 3078.4 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 2970.7 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 B3LYPultrafine/6-31G(2df,p)
ABC
19.58746 0.91541 0.87454

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.053 0.703 0.000
H2 -0.907 0.847 0.000
F3 0.053 -0.719 0.000

Atom - Atom Distances (Å)
  O1 H2 F3
O10.97101.4216
H20.97101.8372
F31.42161.8372

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 98.570
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.189      
2 H 0.338      
3 F -0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.663 0.816 0.000 1.853
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -8.658 -1.606 0.000
y -1.606 -9.720 0.000
z 0.000 0.000 -10.787
Traceless
 xyz
x 1.595 -1.606 0.000
y -1.606 0.003 0.000
z 0.000 0.000 -1.598
Polar
3z2-r2-3.196
x2-y21.062
xy-1.606
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.209 -0.159 0.000
y -0.159 1.820 0.000
z 0.000 0.000 0.837


<r2> (average value of r2) Å2
<r2> 16.263
(<r2>)1/2 4.033