return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: CID/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CID/Def2TZVPP
 hartrees
Energy at 0K-596.033176
Energy at 298.15K 
HF Energy-594.981755
Nuclear repulsion energy236.792465
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/Def2TZVPP
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 748 748 65.29      
2 A1 620 620 0.11      
3 A1 231 231 20.25      
4 B1 220 220 19.01      
5 B2 633 633 328.77      
6 B2 351 351 8.58      

Unscaled Zero Point Vibrational Energy (zpe) 1400.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1400.9 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 CID/Def2TZVPP
ABC
0.30745 0.12470 0.08872

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
I1 0.000 0.000 0.259
F2 0.000 0.000 -1.563
F3 0.000 1.886 0.019
F4 0.000 -1.886 0.019

Atom - Atom Distances (Å)
  I1 F2 F3 F4
I11.82161.90131.9013
F21.82162.46182.4618
F31.90132.46183.7724
F41.90132.46183.7724

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 82.762 F2 I1 F4 82.762
F3 I1 F4 165.524
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability