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All results from a given calculation for CH2FI (fluoroiodomethane)

using model chemistry: QCISD/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 QCISD/Def2TZVPP
 hartrees
Energy at 0K-436.078254
Energy at 298.15K 
HF Energy-435.174874
Nuclear repulsion energy120.022144
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/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' 3135 3135 11.54      
2 A' 1515 1515 0.33      
3 A' 1331 1331 66.07      
4 A' 1110 1110 196.55      
5 A' 598 598 35.51      
6 A' 277 277 0.71      
7 A" 3218 3218 2.62      
8 A" 1271 1271 2.75      
9 A" 885 885 0.51      

Unscaled Zero Point Vibrational Energy (zpe) 6670.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6670.6 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/Def2TZVPP
ABC
1.30051 0.09657 0.09149

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.523 -1.459 0.000
F2 -0.592 -2.239 0.000
I3 0.000 0.608 0.000
H4 1.097 -1.644 0.900
H5 1.097 -1.644 -0.900

Atom - Atom Distances (Å)
  C1 F2 I3 H4 H5
C11.36102.13201.08341.0834
F21.36102.90792.00452.0045
I32.13202.90792.66112.6611
H41.08342.00452.66111.8005
H51.08342.00452.66111.8005

picture of fluoroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 I3 110.769 F2 C1 H4 109.659
F2 C1 H5 109.659 I3 C1 H4 107.154
I3 C1 H5 107.154 H4 C1 H5 112.402
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability