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: mPW1PW91/aug-cc-pCVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/aug-cc-pCVTZ
 hartrees
Energy at 0K-175.566337
Energy at 298.15K 
HF Energy-175.566337
Nuclear repulsion energy34.030657
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 mPW1PW91/aug-cc-pCVTZ
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' 3783 3783 45.26 54.31 0.18 0.31
2 A' 1439 1439 56.58 3.09 0.39 0.56
3 A' 1035 1035 9.04 11.77 0.24 0.38

Unscaled Zero Point Vibrational Energy (zpe) 3128.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3128.5 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 mPW1PW91/aug-cc-pCVTZ
ABC
19.83736 0.93152 0.88974

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pCVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.053 0.696 0.000
H2 -0.902 0.849 0.000
F3 0.053 -0.713 0.000

Atom - Atom Distances (Å)
  O1 H2 F3
O10.96681.4085
H20.96681.8304
F31.40851.8304

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 99.120
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.099      
2 H 0.277      
3 F -0.179      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.685 0.883 0.000 1.902
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.071 -1.643 0.000
y -1.643 -10.205 0.000
z 0.000 0.000 -11.310
Traceless
 xyz
x 1.686 -1.643 0.000
y -1.643 -0.014 0.000
z 0.000 0.000 -1.672
Polar
3z2-r2-3.344
x2-y21.134
xy-1.643
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.499 -0.130 0.000
y -0.130 2.192 0.000
z 0.000 0.000 1.306


<r2> (average value of r2) Å2
<r2> 16.394
(<r2>)1/2 4.049