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

using model chemistry: MP2=FULL/CEP-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 MP2=FULL/CEP-31G
 hartrees
Energy at 0K-24.529123
Energy at 298.15K-24.529112
HF Energy-24.422543
Nuclear repulsion energy3.897743
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 MP2=FULL/CEP-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 3885 3662 48.29      

Unscaled Zero Point Vibrational Energy (zpe) 1942.3 cm-1
Scaled (by 0.9427) Zero Point Vibrational Energy (zpe) 1831.0 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 MP2=FULL/CEP-31G
B
19.50238

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/CEP-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 -0.855

Atom - Atom Distances (Å)
  F1 H2
F10.9504
H20.9504

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