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All results from a given calculation for CH2FI (fluoroiodomethane)

using model chemistry: B3LYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/3-21G*
 hartrees
Energy at 0K-7029.009506
Energy at 298.15K 
HF Energy-7029.009506
Nuclear repulsion energy212.203897
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 B3LYP/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 A' 3103 2985 14.14 98.87 0.11 0.19
2 A' 1547 1489 0.23 14.63 0.73 0.84
3 A' 1324 1274 72.48 2.82 0.60 0.75
4 A' 1076 1035 135.12 2.62 0.74 0.85
5 A' 549 528 48.64 25.68 0.26 0.42
6 A' 249 239 0.23 5.76 0.43 0.60
7 A" 3179 3058 8.28 65.00 0.75 0.86
8 A" 1237 1190 1.02 8.76 0.75 0.86
9 A" 881 848 1.19 4.50 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6572.5 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 6322.7 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 B3LYP/3-21G*
ABC
1.23828 0.09065 0.08588

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.538 -1.516 0.000
F2 -0.609 -2.310 0.000
I3 0.000 0.627 0.000
H4 1.126 -1.673 0.903
H5 1.126 -1.673 -0.903

Atom - Atom Distances (Å)
  C1 F2 I3 H4 H5
C11.39492.20941.08921.0892
F21.39492.99992.05712.0571
I32.20942.99992.71512.7151
H41.08922.05712.71511.8067
H51.08922.05712.71511.8067

picture of fluoroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 I3 110.631 F2 C1 H4 111.212
F2 C1 H5 111.212 I3 C1 H4 105.718
I3 C1 H5 105.718 H4 C1 H5 112.071
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.196      
2 F -0.266      
3 I -0.001      
4 H 0.232      
5 H 0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.668 -0.579 0.000 1.766
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.344 -4.188 0.000
y -4.188 -38.641 0.000
z 0.000 0.000 -39.517
Traceless
 xyz
x -0.265 -4.188 0.000
y -4.188 0.789 0.000
z 0.000 0.000 -0.525
Polar
3z2-r2-1.050
x2-y2-0.703
xy-4.188
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.530 -0.514 0.000
y -0.514 7.447 0.000
z 0.000 0.000 4.279


<r2> (average value of r2) Å2
<r2> 121.966
(<r2>)1/2 11.044