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All results from a given calculation for CH2FI (fluoroiodomethane)

using model chemistry: PBEPBE/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 PBEPBE/STO-3G
 hartrees
Energy at 0K-6989.273645
Energy at 298.15K 
HF Energy-6989.273645
Nuclear repulsion energy209.551571
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 PBEPBE/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3156 2883 8.97 47.70 0.16 0.28
2 A' 1594 1456 0.18 13.63 0.72 0.84
3 A' 1344 1228 63.37 4.06 0.62 0.76
4 A' 1207 1103 80.05 2.58 0.57 0.73
5 A' 582 531 33.68 15.81 0.33 0.49
6 A' 286 262 2.22 5.23 0.53 0.69
7 A" 3264 2982 9.89 37.64 0.75 0.86
8 A" 1267 1157 3.18 7.89 0.75 0.86
9 A" 902 824 0.23 5.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6800.4 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 6212.8 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 PBEPBE/STO-3G
ABC
1.29529 0.08711 0.08298

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.510 -1.526 0.000
F2 -0.593 -2.369 0.000
I3 0.000 0.639 0.000
H4 1.141 -1.684 0.915
H5 1.141 -1.684 -0.915

Atom - Atom Distances (Å)
  C1 F2 I3 H4 H5
C11.38892.22341.12321.1232
F21.38893.06602.07742.0774
I32.22343.06602.74492.7449
H41.12322.07742.74491.8310
H51.12322.07742.74491.8310

picture of fluoroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 I3 114.157 F2 C1 H4 111.137
F2 C1 H5 111.137 I3 C1 H4 105.433
I3 C1 H5 105.433 H4 C1 H5 109.197
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.108      
2 F -0.031      
3 I -0.056      
4 H 0.098      
5 H 0.098      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.940 -1.743 0.000 1.980
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.291 -1.786 0.000
y -1.786 -35.207 0.000
z 0.000 0.000 -36.484
Traceless
 xyz
x -0.446 -1.786 0.000
y -1.786 1.180 0.000
z 0.000 0.000 -0.735
Polar
3z2-r2-1.470
x2-y2-1.084
xy-1.786
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.306 -0.390 0.000
y -0.390 4.671 0.000
z 0.000 0.000 1.005


<r2> (average value of r2) Å2
<r2> 123.265
(<r2>)1/2 11.102