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

using model chemistry: CID/CEP-121G

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 CID/CEP-121G
 hartrees
Energy at 0K-35.149193
Energy at 298.15K-35.147355
HF Energy-35.005624
Nuclear repulsion energy12.893359
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 CID/CEP-121G
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 564 521 8.97      

Unscaled Zero Point Vibrational Energy (zpe) 282.0 cm-1
Scaled (by 0.924) Zero Point Vibrational Energy (zpe) 260.6 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 CID/CEP-121G
B
0.25224

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/CEP-121G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
I1 0.000 0.000 0.292
F2 0.000 0.000 -1.719

Atom - Atom Distances (Å)
  I1 F2
I12.0111
F22.0111

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