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

using model chemistry: MP2=FULL/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=FULL/3-21G*
 hartrees
Energy at 0K-7185.030070
Energy at 298.15K 
HF Energy-7184.525472
Nuclear repulsion energy436.384027
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=FULL/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 710 673 19.15 11.27 0.16 0.28
2 A1 641 607 0.02 18.36 0.39 0.56
3 A1 224 212 15.09 0.03 0.40 0.57
4 B1 212 201 13.08 0.02 0.75 0.86
5 B2 708 671 129.75 0.98 0.75 0.86
6 B2 316 300 8.20 2.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1405.5 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 1332.4 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=FULL/3-21G*
ABC
0.27988 0.11892 0.08346

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
I1 0.000 0.000 0.266
F2 0.000 0.000 -1.643
F3 0.000 1.932 0.040
F4 0.000 -1.932 0.040

Atom - Atom Distances (Å)
  I1 F2 F3 F4
I11.90891.94471.9447
F21.90892.56212.5621
F31.94472.56213.8631
F41.94472.56213.8631

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 83.339 F2 I1 F4 83.339
F3 I1 F4 166.678
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability