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

using model chemistry: B3PW91/SDD

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 B3PW91/SDD
 hartrees
Energy at 0K-100.410952
Energy at 298.15K-100.410941
HF Energy-100.410952
Nuclear repulsion energy5.037037
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 B3PW91/SDD
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 3873 3707 32.93      

Unscaled Zero Point Vibrational Energy (zpe) 1936.4 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 1853.7 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 B3PW91/SDD
B
19.70255

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/SDD

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.000 0.000 0.095
H2 0.000 0.000 -0.851

Atom - Atom Distances (Å)
  F1 H2
F10.9455
H20.9455

picture of Hydrogen fluoride state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.447      
2 H 0.447      


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 -2.285 2.285
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -5.575 0.000 0.000
y 0.000 -5.575 0.000
z 0.000 0.000 -3.524
Traceless
 xyz
x -1.025 0.000 0.000
y 0.000 -1.025 0.000
z 0.000 0.000 2.051
Polar
3z2-r24.102
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 0.114 0.000 0.000
y 0.000 0.114 0.000
z 0.000 0.000 0.668


<r2> (average value of r2) Å2
<r2> 3.860
(<r2>)1/2 1.965