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All results from a given calculation for CH2FI (fluoroiodomethane)

using model chemistry: B3LYP/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 B3LYP/STO-3G
 hartrees
Energy at 0K-6990.049639
Energy at 298.15K 
HF Energy-6990.049639
Nuclear repulsion energy211.049812
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/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' 3236 2888 7.12 47.41 0.16 0.27
2 A' 1636 1460 0.31 14.32 0.73 0.84
3 A' 1392 1242 75.27 3.16 0.71 0.83
4 A' 1212 1082 74.38 3.40 0.74 0.85
5 A' 606 541 33.25 19.27 0.33 0.49
6 A' 292 260 1.87 5.25 0.52 0.69
7 A" 3348 2988 7.32 38.43 0.75 0.86
8 A" 1300 1160 3.33 9.10 0.75 0.86
9 A" 927 827 0.50 4.76 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6974.5 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 6224.1 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/STO-3G
ABC
1.29279 0.08862 0.08432

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.513 -1.509 0.000
F2 -0.595 -2.349 0.000
I3 0.000 0.633 0.000
H4 1.139 -1.681 0.908
H5 1.139 -1.681 -0.908

Atom - Atom Distances (Å)
  C1 F2 I3 H4 H5
C11.39022.20271.11621.1162
F21.39023.04132.06792.0679
I32.20273.04132.73412.7341
H41.11622.06792.73411.8160
H51.11622.06792.73411.8160

picture of fluoroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 I3 113.734 F2 C1 H4 110.719
F2 C1 H5 110.719 I3 C1 H4 106.271
I3 C1 H5 106.271 H4 C1 H5 108.875
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.098      
2 F -0.062      
3 I -0.028      
4 H 0.094      
5 H 0.094      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.042 -1.415 0.000 1.757
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.357 -2.017 0.000
y -2.017 -35.935 0.000
z 0.000 0.000 -36.478
Traceless
 xyz
x -0.150 -2.017 0.000
y -2.017 0.483 0.000
z 0.000 0.000 -0.332
Polar
3z2-r2-0.664
x2-y2-0.422
xy-2.017
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.303 -0.448 0.000
y -0.448 4.533 0.000
z 0.000 0.000 1.011


<r2> (average value of r2) Å2
<r2> 121.888
(<r2>)1/2 11.040