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

using model chemistry: CISD/cc-pVTZ

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 CISD/cc-pVTZ
 hartrees
Energy at 0K-100.322996
Energy at 298.15K-100.322985
HF Energy-100.058198
Nuclear repulsion energy5.219524
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 CISD/cc-pVTZ
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 4258 3960 112.19      

Unscaled Zero Point Vibrational Energy (zpe) 2129.2 cm-1
Scaled (by 0.9298) Zero Point Vibrational Energy (zpe) 1979.7 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 CISD/cc-pVTZ
B
21.15602

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/cc-pVTZ

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 -0.821

Atom - Atom Distances (Å)
  F1 H2
F10.9125
H20.9125

picture of Hydrogen fluoride state 1 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability