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All results from a given calculation for CH2FI (fluoroiodomethane)

using model chemistry: HF/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/SDD
 hartrees
Energy at 0K-149.611335
Energy at 298.15K 
HF Energy-149.611335
Nuclear repulsion energy55.525908
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 HF/SDD
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' 3355 3021 30.94 162.53 0.09 0.17
2 A' 1607 1447 1.42 20.40 0.55 0.71
3 A' 1443 1299 115.51 5.83 0.53 0.70
4 A' 1088 979 236.95 9.41 0.67 0.80
5 A' 597 538 56.45 55.39 0.34 0.50
6 A' 279 251 1.22 9.61 0.52 0.69
7 A" 3459 3114 6.80 80.24 0.75 0.86
8 A" 1326 1194 8.02 13.30 0.75 0.86
9 A" 960 864 1.90 9.91 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7056.8 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 6353.9 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 HF/SDD
ABC
1.24179 0.09320 0.08815

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.545 -1.482 0.000
F2 -0.609 -2.281 0.000
I3 0.000 0.619 0.000
H4 1.102 -1.681 0.894
H5 1.102 -1.681 -0.894

Atom - Atom Distances (Å)
  C1 F2 I3 H4 H5
C11.40342.17041.07221.0722
F21.40342.96262.02162.0216
I32.17042.96262.70252.7025
H41.07222.02162.70251.7887
H51.07222.02162.70251.7887

picture of fluoroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 I3 110.128 F2 C1 H4 108.754
F2 C1 H5 108.754 I3 C1 H4 108.066
I3 C1 H5 108.066 H4 C1 H5 113.057
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.287      
2 F -0.342      
3 I 0.128      
4 H 0.250      
5 H 0.250      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.526 0.010 0.000 2.526
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.164 -5.684 0.000
y -5.684 -33.391 0.000
z 0.000 0.000 -31.804
Traceless
 xyz
x 0.434 -5.684 0.000
y -5.684 -1.407 0.000
z 0.000 0.000 0.973
Polar
3z2-r21.946
x2-y21.227
xy-5.684
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.102 -1.119 0.000
y -1.119 7.313 0.000
z 0.000 0.000 1.792


<r2> (average value of r2) Å2
<r2> 97.751
(<r2>)1/2 9.887