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All results from a given calculation for CH2FI (fluoroiodomethane)

using model chemistry: CISD/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/Def2TZVPP
 hartrees
Energy at 0K-435.953623
Energy at 298.15K 
HF Energy-435.175177
Nuclear repulsion energy120.974523
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/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 A' 3237 3237 11.41      
2 A' 1570 1570 0.51      
3 A' 1386 1386 74.91      
4 A' 1164 1164 215.66      
5 A' 627 627 38.74      
6 A' 290 290 0.87      
7 A" 3321 3321 1.96      
8 A" 1321 1321 3.34      
9 A" 922 922 0.49      

Unscaled Zero Point Vibrational Energy (zpe) 6918.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6918.9 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/Def2TZVPP
ABC
1.32339 0.09806 0.09291

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.518 -1.449 0.000
F2 -0.587 -2.222 0.000
I3 0.000 0.603 0.000
H4 1.089 -1.635 0.892
H5 1.089 -1.635 -0.892

Atom - Atom Distances (Å)
  C1 F2 I3 H4 H5
C11.34802.11661.07531.0753
F21.34802.88491.98721.9872
I32.11662.88492.64392.6439
H41.07531.98722.64391.7838
H51.07531.98722.64391.7838

picture of fluoroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 I3 110.789 F2 C1 H4 109.664
F2 C1 H5 109.664 I3 C1 H4 107.301
I3 C1 H5 107.301 H4 C1 H5 112.082
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability