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

using model chemistry: B1B95/6-31G(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 B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-100.411129
Energy at 298.15K-100.411118
HF Energy-100.411129
Nuclear repulsion energy5.202361
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 B1B95/6-31G(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 4172 3995 69.81      

Unscaled Zero Point Vibrational Energy (zpe) 2085.8 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 1997.6 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 B1B95/6-31G(2df,p)
B
21.01712

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.000 0.000 0.092
H2 0.000 0.000 -0.824

Atom - Atom Distances (Å)
  F1 H2
F10.9155
H20.9155

picture of Hydrogen fluoride state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.335      
2 H 0.335      


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 -1.739 1.739
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -5.352 0.000 0.000
y 0.000 -5.352 0.000
z 0.000 0.000 -3.471
Traceless
 xyz
x -0.941 0.000 0.000
y 0.000 -0.941 0.000
z 0.000 0.000 1.881
Polar
3z2-r23.762
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 0.461 0.000 0.000
y 0.000 0.461 0.000
z 0.000 0.000 0.761


<r2> (average value of r2) Å2
<r2> 3.706
(<r2>)1/2 1.925