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

using model chemistry: CCSD/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 CCSD/CEP-121G
 hartrees
Energy at 0K-35.159569
Energy at 298.15K-35.157714
HF Energy-35.004915
Nuclear repulsion energy12.792732
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 CCSD/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 537 506 5.57      

Unscaled Zero Point Vibrational Energy (zpe) 268.4 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 253.1 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 CCSD/CEP-121G
B
0.24831

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
I1 0.000 0.000 0.294
F2 0.000 0.000 -1.733

Atom - Atom Distances (Å)
  I1 F2
I12.0269
F22.0269

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