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

using model chemistry: CISD/SDD

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/SDD
 hartrees
Energy at 0K-110.714924
Energy at 298.15K-110.713075
HF Energy-110.568620
Nuclear repulsion energy16.484659
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/SDD
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 553 510 5.24      

Unscaled Zero Point Vibrational Energy (zpe) 276.5 cm-1
Scaled (by 0.9218) Zero Point Vibrational Energy (zpe) 254.9 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/SDD
B
0.24943

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

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 -1.729

Atom - Atom Distances (Å)
  I1 F2
I12.0224
F22.0224

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