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

using model chemistry: B3LYP/CEP-31G

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 B3LYP/CEP-31G
 hartrees
Energy at 0K-24.770304
Energy at 298.15K-24.770292
HF Energy-24.770304
Nuclear repulsion energy3.898441
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 B3LYP/CEP-31G
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 3879 3757 33.46      

Unscaled Zero Point Vibrational Energy (zpe) 1939.7 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 1878.4 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 B3LYP/CEP-31G
B
19.50937

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.000 0.000 0.119
H2 0.000 0.000 -0.831

Atom - Atom Distances (Å)
  F1 H2
F10.9502
H20.9502

picture of Hydrogen fluoride state 1 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.418      
2 H 0.418      


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 -2.254 2.254
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -5.643 0.000 0.000
y 0.000 -5.643 0.000
z 0.000 0.000 -3.756
Traceless
 xyz
x -0.944 0.000 0.000
y 0.000 -0.944 0.000
z 0.000 0.000 1.888
Polar
3z2-r23.775
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 0.101 0.000 0.000
y 0.000 0.101 0.000
z 0.000 0.000 0.741


<r2> (average value of r2) Å2
<r2> 3.922
(<r2>)1/2 1.980