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

using model chemistry: QCISD(TQ)/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 QCISD(TQ)/6-31G(2df,p)
 hartrees
Energy at 0K-100.264343
Energy at 298.15K-100.264332
HF Energy-100.015426
Nuclear repulsion energy5.209743
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 QCISD(TQ)/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 4205 4205        

Unscaled Zero Point Vibrational Energy (zpe) 2102.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2102.4 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 QCISD(TQ)/6-31G(2df,p)
B
21.08957

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.000 0.000 0.091
H2 0.000 0.000 -0.823

Atom - Atom Distances (Å)
  F1 H2
F10.9139
H20.9139

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