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

using model chemistry: PBEPBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/3-21G
 hartrees
Energy at 0K-174.403873
Energy at 298.15K 
HF Energy-174.403873
Nuclear repulsion energy31.970909
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 PBEPBE/3-21G
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' 3236 3206 2.11 63.91 0.36 0.53
2 A' 1248 1237 55.91 9.62 0.68 0.81
3 A' 987 978 0.47 5.48 0.32 0.49

Unscaled Zero Point Vibrational Energy (zpe) 2735.6 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 2710.7 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 PBEPBE/3-21G
ABC
17.48938 0.82045 0.78369

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.056 0.747 0.000
H2 -0.958 0.853 0.000
F3 0.056 -0.758 0.000

Atom - Atom Distances (Å)
  O1 H2 F3
O11.01951.5049
H21.01951.9041
F31.50491.9041

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 96.014
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.259      
2 H 0.368      
3 F -0.109      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.909 0.778 0.000 2.062
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -8.470 -1.661 0.000
y -1.661 -9.544 0.000
z 0.000 0.000 -10.551
Traceless
 xyz
x 1.578 -1.661 0.000
y -1.661 -0.034 0.000
z 0.000 0.000 -1.544
Polar
3z2-r2-3.088
x2-y21.075
xy-1.661
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.887 -0.210 0.000
y -0.210 1.549 0.000
z 0.000 0.000 0.129


<r2> (average value of r2) Å2
<r2> 17.281
(<r2>)1/2 4.157