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All results from a given calculation for CH2FI (fluoroiodomethane)

using model chemistry: B1B95/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/Def2TZVPP
 hartrees
Energy at 0K-436.883884
Energy at 298.15K 
HF Energy-436.883884
Nuclear repulsion energy119.979789
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 B1B95/Def2TZVPP
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' 3120 3120 10.27 122.96 0.08 0.15
2 A' 1491 1491 0.69 7.24 0.70 0.82
3 A' 1298 1298 53.01 3.74 0.14 0.25
4 A' 1105 1105 223.93 3.34 0.59 0.74
5 A' 583 583 42.54 23.81 0.24 0.38
6 A' 270 270 0.34 4.91 0.38 0.55
7 A" 3207 3207 1.99 60.37 0.75 0.86
8 A" 1251 1251 2.45 3.18 0.75 0.86
9 A" 867 867 0.76 1.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6595.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6595.1 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 B1B95/Def2TZVPP
ABC
1.31154 0.09620 0.09122

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.520 -1.466 0.000
F2 -0.589 -2.242 0.000
I3 0.000 0.609 0.000
H4 1.093 -1.644 0.902
H5 1.093 -1.644 -0.902

Atom - Atom Distances (Å)
  C1 F2 I3 H4 H5
C11.35372.13861.08341.0834
F21.35372.91152.00032.0003
I32.13862.91152.66122.6612
H41.08342.00032.66121.8038
H51.08342.00032.66121.8038

picture of fluoroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 I3 110.953 F2 C1 H4 109.826
F2 C1 H5 109.826 I3 C1 H4 106.735
I3 C1 H5 106.735 H4 C1 H5 112.697
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.067      
2 F -0.184      
3 I -0.060      
4 H 0.155      
5 H 0.155      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.535 -0.460 0.000 1.602
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.015 -3.907 0.000
y -3.907 -37.448 0.000
z 0.000 0.000 -37.960
Traceless
 xyz
x -0.311 -3.907 0.000
y -3.907 0.539 0.000
z 0.000 0.000 -0.228
Polar
3z2-r2-0.457
x2-y2-0.567
xy-3.907
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.493 -0.554 0.000
y -0.554 8.470 0.000
z 0.000 0.000 5.226


<r2> (average value of r2) Å2
<r2> 105.190
(<r2>)1/2 10.256