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All results from a given calculation for CH2FI (fluoroiodomethane)

using model chemistry: TPSSh/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/STO-3G
 hartrees
Energy at 0K-6989.874519
Energy at 298.15K 
HF Energy-6989.874519
Nuclear repulsion energy210.675534
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 TPSSh/STO-3G
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 6.85 48.92 0.16 0.28
2 A' 1638 1638 0.80 14.40 0.73 0.84
3 A' 1384 1384 79.85 3.52 0.67 0.80
4 A' 1216 1216 78.37 3.05 0.71 0.83
5 A' 604 604 34.19 18.17 0.32 0.49
6 A' 292 292 2.05 5.23 0.53 0.69
7 A" 3350 3350 7.91 39.04 0.75 0.86
8 A" 1296 1296 3.54 8.87 0.75 0.86
9 A" 922 922 0.66 4.95 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6968.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6968.7 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 TPSSh/STO-3G
ABC
1.29917 0.08816 0.08393

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.511 -1.513 0.000
F2 -0.593 -2.356 0.000
I3 0.000 0.635 0.000
H4 1.136 -1.680 0.910
H5 1.136 -1.680 -0.910

Atom - Atom Distances (Å)
  C1 F2 I3 H4 H5
C11.38912.20751.11711.1171
F21.38913.04932.06822.0682
I32.20753.04932.73432.7343
H41.11712.06822.73431.8206
H51.11712.06822.73431.8206

picture of fluoroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 I3 114.015 F2 C1 H4 110.757
F2 C1 H5 110.757 I3 C1 H4 105.947
I3 C1 H5 105.947 H4 C1 H5 109.148
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.084      
2 F -0.054      
3 I -0.041      
4 H 0.090      
5 H 0.090      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.002 -1.569 0.000 1.861
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.298 -0.430 0.000
y -0.430 4.583 0.000
z 0.000 0.000 1.012


<r2> (average value of r2) Å2
<r2> 122.278
(<r2>)1/2 11.058