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All results from a given calculation for CH2FI (fluoroiodomethane)

using model chemistry: HF/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-149.592021
Energy at 298.15K 
HF Energy-149.592021
Nuclear repulsion energy55.555261
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/LANL2DZ
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' 3353 3017 32.74 158.67 0.09 0.16
2 A' 1608 1447 1.43 20.45 0.56 0.71
3 A' 1444 1300 111.13 5.11 0.61 0.76
4 A' 1086 977 233.77 9.32 0.65 0.78
5 A' 596 536 53.25 53.88 0.34 0.51
6 A' 279 251 1.26 9.58 0.52 0.69
7 A" 3456 3110 8.22 76.04 0.75 0.86
8 A" 1326 1193 7.45 13.13 0.75 0.86
9 A" 959 863 1.70 10.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7053.6 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 6347.5 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/LANL2DZ
ABC
1.24343 0.09350 0.08843

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.545 -1.477 0.000
F2 -0.608 -2.278 0.000
I3 0.000 0.617 0.000
H4 1.103 -1.678 0.894
H5 1.103 -1.678 -0.894

Atom - Atom Distances (Å)
  C1 F2 I3 H4 H5
C11.40462.16411.07241.0724
F21.40462.95912.02142.0214
I32.16412.95912.69912.6991
H41.07242.02142.69911.7872
H51.07242.02142.69911.7872

picture of fluoroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 I3 110.212 F2 C1 H4 108.643
F2 C1 H5 108.643 I3 C1 H4 108.226
I3 C1 H5 108.226 H4 C1 H5 112.883
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.276      
2 F -0.344      
3 I 0.125      
4 H 0.248      
5 H 0.248      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.518 0.046 0.000 2.518
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.970 -5.631 0.000
y -5.631 -33.415 0.000
z 0.000 0.000 -31.612
Traceless
 xyz
x 0.544 -5.631 0.000
y -5.631 -1.624 0.000
z 0.000 0.000 1.080
Polar
3z2-r22.160
x2-y21.445
xy-5.631
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.071 -1.092 0.000
y -1.092 7.188 0.000
z 0.000 0.000 1.765


<r2> (average value of r2) Å2
<r2> 97.449
(<r2>)1/2 9.872