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All results from a given calculation for IF3 (iodone trifluoride)

using model chemistry: MP2/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/STO-3G
 hartrees
Energy at 0K-7144.576262
Energy at 298.15K 
HF Energy-7144.469421
Nuclear repulsion energy411.440440
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/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 508 443 0.17 2.50 0.52 0.68
2 A1 461 402 8.50 11.46 0.22 0.36
3 A1 245 214 9.67 0.23 0.64 0.78
4 B1 165 144 2.82 0.01 0.75 0.86
5 B2 538 469 18.94 0.23 0.75 0.86
6 B2 312 272 3.74 4.08 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1114.4 cm-1
Scaled (by 0.8719) Zero Point Vibrational Energy (zpe) 971.7 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/STO-3G
ABC
0.22799 0.11302 0.07556

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
I1 0.000 0.000 0.371
F2 0.000 0.000 -1.691
F3 0.000 1.981 -0.247
F4 0.000 -1.981 -0.247

Atom - Atom Distances (Å)
  I1 F2 F3 F4
I12.06222.07532.0753
F22.06222.45212.4521
F32.07532.45213.9626
F42.07532.45213.9626

picture of iodone trifluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 I1 F3 72.689 F2 I1 F4 72.689
F3 I1 F4 145.379
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability