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All results from a given calculation for IF (Iodine monofluoride)

using model chemistry: MP4/6-311G*

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 MP4/6-311G*
 hartrees
Energy at 0K-7016.654644
Energy at 298.15K-7016.652810
HF Energy-7016.224418
Nuclear repulsion energy127.494120
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 MP4/6-311G*
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 573 550        

Unscaled Zero Point Vibrational Energy (zpe) 286.7 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 275.0 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 MP4/6-311G*
B
0.26027

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
I1 0.000 0.000 0.287
F2 0.000 0.000 -1.692

Atom - Atom Distances (Å)
  I1 F2
I11.9798
F21.9798

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