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

using model chemistry: CISD/cc-pVQZ

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-pVQZ
 hartrees
Energy at 0K-100.355449
Energy at 298.15K-100.355438
HF Energy-100.067952
Nuclear repulsion energy5.230695
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-pVQZ
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 4259 4259 120.71      

Unscaled Zero Point Vibrational Energy (zpe) 2129.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2129.4 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 CISD/cc-pVQZ
B
21.24668

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

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 -0.819

Atom - Atom Distances (Å)
  F1 H2
F10.9105
H20.9105

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