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: PBEPBEultrafine/daug-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 PBEPBEultrafine/daug-cc-pVDZ
 hartrees
Energy at 0K-175.402191
Energy at 298.15K 
HF Energy-175.402191
Nuclear repulsion energy33.168278
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 PBEPBEultrafine/daug-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' 3594 3594 31.16 60.74 0.18 0.30
2 A' 1355 1355 55.04 4.02 0.37 0.54
3 A' 929 929 7.19 9.56 0.21 0.35

Unscaled Zero Point Vibrational Energy (zpe) 2938.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2938.7 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 PBEPBEultrafine/daug-cc-pVDZ
ABC
18.97050 0.88302 0.84374

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.054 0.717 0.000
H2 -0.921 0.852 0.000
F3 0.054 -0.732 0.000

Atom - Atom Distances (Å)
  O1 H2 F3
O10.98431.4484
H20.98431.8593
F31.44841.8593

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 97.872
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.218      
2 H 0.274      
3 F -0.056      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.635 0.875 0.000 1.854
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.310 -1.606 0.000
y -1.606 -10.296 0.000
z 0.000 0.000 -11.635
Traceless
 xyz
x 1.656 -1.606 0.000
y -1.606 0.176 0.000
z 0.000 0.000 -1.832
Polar
3z2-r2-3.665
x2-y20.986
xy-1.606
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.690 -0.130 0.000
y -0.130 2.364 0.000
z 0.000 0.000 1.514


<r2> (average value of r2) Å2
<r2> 17.055
(<r2>)1/2 4.130