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

using model chemistry: CISD/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 CISD/3-21G*
 hartrees
Energy at 0K-7184.960593
Energy at 298.15K 
HF Energy-7184.526717
Nuclear repulsion energy439.245185
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/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 739 691 21.90      
2 A1 659 616 0.00      
3 A1 234 219 18.08      
4 B1 219 204 15.35      
5 B2 722 674 149.24      
6 B2 328 306 8.90      

Unscaled Zero Point Vibrational Energy (zpe) 1450.0 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 1354.9 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/3-21G*
ABC
0.28413 0.12048 0.08461

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
I1 0.000 0.000 0.268
F2 0.000 0.000 -1.627
F3 0.000 1.919 0.026
F4 0.000 -1.919 0.026

Atom - Atom Distances (Å)
  I1 F2 F3 F4
I11.89481.93411.9341
F21.89482.53282.5328
F31.93412.53283.8379
F41.93412.53283.8379

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 82.821 F2 I1 F4 82.821
F3 I1 F4 165.643
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability