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All results from a given calculation for CH2FI (fluoroiodomethane)

using model chemistry: PBE1PBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/6-311G*
 hartrees
Energy at 0K-7058.131539
Energy at 298.15K 
HF Energy-7058.131539
Nuclear repulsion energy216.560460
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 PBE1PBE/6-311G*
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' 3123 2994 15.47 106.60 0.10 0.17
2 A' 1508 1446 0.87 9.91 0.71 0.83
3 A' 1323 1268 77.20 2.95 0.35 0.52
4 A' 1118 1071 230.71 3.08 0.68 0.81
5 A' 573 549 50.28 24.19 0.28 0.44
6 A' 271 260 0.26 5.83 0.42 0.60
7 A" 3211 3078 5.79 61.72 0.75 0.86
8 A" 1269 1216 2.66 6.02 0.75 0.86
9 A" 883 846 0.96 2.84 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6639.3 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 6363.8 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 PBE1PBE/6-311G*
ABC
1.30783 0.09433 0.08952

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.519 -1.488 0.000
F2 -0.589 -2.261 0.000
I3 0.000 0.615 0.000
H4 1.095 -1.667 0.905
H5 1.095 -1.667 -0.905

Atom - Atom Distances (Å)
  C1 F2 I3 H4 H5
C11.35162.16591.08781.0878
F21.35162.93602.00282.0028
I32.16592.93602.68812.6881
H41.08782.00282.68811.8099
H51.08782.00282.68811.8099

picture of fluoroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 I3 111.041 F2 C1 H4 109.902
F2 C1 H5 109.902 I3 C1 H4 106.665
I3 C1 H5 106.665 H4 C1 H5 112.593
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.313      
2 F -0.208      
3 I 0.000      
4 H 0.260      
5 H 0.260      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.681 -0.699 0.000 1.820
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.610 -4.003 0.000
y -4.003 -38.839 0.000
z 0.000 0.000 -39.659
Traceless
 xyz
x -0.362 -4.003 0.000
y -4.003 0.796 0.000
z 0.000 0.000 -0.434
Polar
3z2-r2-0.869
x2-y2-0.772
xy-4.003
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.384 -0.619 0.000
y -0.619 7.580 0.000
z 0.000 0.000 4.135


<r2> (average value of r2) Å2
<r2> 118.275
(<r2>)1/2 10.875