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

using model chemistry: QCISD/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 QCISD/3-21G
 hartrees
Energy at 0K-7184.768645
Energy at 298.15K 
HF Energy-7184.351618
Nuclear repulsion energy432.322404
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 QCISD/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 625 606 2.39      
2 A1 545 529 0.12      
3 A1 227 220 29.58      
4 B1 190 184 21.21      
5 B2 607 589 72.10      
6 B2 300 291 10.29      

Unscaled Zero Point Vibrational Energy (zpe) 1246.8 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 1208.4 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 QCISD/3-21G
ABC
0.27132 0.11841 0.08244

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
I1 0.000 0.000 0.301
F2 0.000 0.000 -1.632
F3 0.000 1.936 -0.070
F4 0.000 -1.936 -0.070

Atom - Atom Distances (Å)
  I1 F2 F3 F4
I11.93241.97081.9708
F21.93242.48712.4871
F31.97082.48713.8713
F41.97082.48713.8713

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 79.158 F2 I1 F4 79.158
F3 I1 F4 158.316
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability