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

using model chemistry: PBEPBE/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 PBEPBE/SDD
 hartrees
Energy at 0K-100.346565
Energy at 298.15K-100.346553
HF Energy-100.346565
Nuclear repulsion energy4.972722
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/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 3717 3717 17.99      

Unscaled Zero Point Vibrational Energy (zpe) 1858.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1858.5 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/SDD
B
19.20262

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.000 0.000 0.096
H2 0.000 0.000 -0.862

Atom - Atom Distances (Å)
  F1 H2
F10.9577
H20.9577

picture of Hydrogen fluoride state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.432      
2 H 0.432      


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 -2.233 2.233
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -5.608 0.000 0.000
y 0.000 -5.608 0.000
z 0.000 0.000 -3.547
Traceless
 xyz
x -1.030 0.000 0.000
y 0.000 -1.030 0.000
z 0.000 0.000 2.061
Polar
3z2-r24.122
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 0.117 0.000 0.000
y 0.000 0.117 0.000
z 0.000 0.000 0.706


<r2> (average value of r2) Å2
<r2> 3.899
(<r2>)1/2 1.975