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All results from a given calculation for HF (Hydrogen fluoride)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at PBEPBEultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-100.333013
Energy at 298.15K-100.333002
HF Energy-100.333013
Nuclear repulsion energy5.136737
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/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 Σ 4007 3966 48.44      

Unscaled Zero Point Vibrational Energy (zpe) 2003.5 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 1982.9 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/6-31G(2df,p)
B
20.49023

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.000 0.000 0.093
H2 0.000 0.000 -0.834

Atom - Atom Distances (Å)
  F1 H2
F10.9272
H20.9272

picture of Hydrogen fluoride state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.318      
2 H 0.318      


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


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -5.383 0.000 0.000
y 0.000 -5.383 0.000
z 0.000 0.000 -3.526
Traceless
 xyz
x -0.929 0.000 0.000
y 0.000 -0.929 0.000
z 0.000 0.000 1.858
Polar
3z2-r23.715
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.470 0.000 0.000
y 0.000 0.470 0.000
z 0.000 0.000 0.800


<r2> (average value of r2) Å2
<r2> 3.749
(<r2>)1/2 1.936