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

using model chemistry: QCISD(TQ)/6-31G

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 QCISD(TQ)/6-31G
 hartrees
Energy at 0K-100.115725
Energy at 298.15K-100.115714
HF Energy-99.982629
Nuclear repulsion energy5.020765
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
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 3738 3738        

Unscaled Zero Point Vibrational Energy (zpe) 1869.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1869.0 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
B
19.56375

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

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 -0.854

Atom - Atom Distances (Å)
  F1 H2
F10.9489
H20.9489

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