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

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-7184.765949
Energy at 298.15K 
HF Energy-7184.351432
Nuclear repulsion energy431.979093
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 MP2/3-21G
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 627 599 5.09 13.02 0.23 0.37
2 A1 546 521 0.07 32.23 0.37 0.54
3 A1 224 214 28.91 0.16 0.38 0.55
4 B1 189 180 21.02 0.01 0.75 0.86
5 B2 609 581 75.36 2.06 0.75 0.86
6 B2 298 285 10.44 3.57 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1246.5 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 1189.8 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 MP2/3-21G
ABC
0.27140 0.11805 0.08227

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
I1 0.000 0.000 0.299
F2 0.000 0.000 -1.634
F3 0.000 1.939 -0.063
F4 0.000 -1.939 -0.063

Atom - Atom Distances (Å)
  I1 F2 F3 F4
I11.93301.97221.9722
F21.93302.49502.4950
F31.97222.49503.8772
F41.97222.49503.8772

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 79.413 F2 I1 F4 79.413
F3 I1 F4 158.826
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability