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

using model chemistry: MP3/STO-3G

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 MP3/STO-3G
 hartrees
Energy at 0K-98.599198
Energy at 298.15K-98.599187
HF Energy-98.571721
Nuclear repulsion energy4.831052
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 MP3/STO-3G
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 3954 3534 82.84      

Unscaled Zero Point Vibrational Energy (zpe) 1977.1 cm-1
Scaled (by 0.8936) Zero Point Vibrational Energy (zpe) 1766.8 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 MP3/STO-3G
B
18.12407

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/STO-3G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.000 0.000 0.099
H2 0.000 0.000 -0.887

Atom - Atom Distances (Å)
  F1 H2
F10.9858
H20.9858

picture of Hydrogen fluoride state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability