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All results from a given calculation for CH2FI (fluoroiodomethane)

using model chemistry: mPW1PW91/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 mPW1PW91/Def2TZVPP
 hartrees
Energy at 0K-436.994576
Energy at 298.15K 
HF Energy-436.994576
Nuclear repulsion energy119.734223
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 mPW1PW91/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' 3115 3115 9.88 120.26 0.08 0.15
2 A' 1492 1492 0.84 7.06 0.70 0.83
3 A' 1301 1301 52.30 3.88 0.15 0.26
4 A' 1106 1106 223.93 3.32 0.59 0.75
5 A' 581 581 43.81 23.26 0.23 0.38
6 A' 272 272 0.26 5.05 0.37 0.54
7 A" 3201 3201 1.83 58.37 0.75 0.86
8 A" 1253 1253 2.41 3.03 0.75 0.86
9 A" 870 870 0.81 1.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6595.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6595.3 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 mPW1PW91/Def2TZVPP
ABC
1.31281 0.09565 0.09074

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.519 -1.471 0.000
F2 -0.589 -2.249 0.000
I3 0.000 0.610 0.000
H4 1.094 -1.646 0.904
H5 1.094 -1.646 -0.904

Atom - Atom Distances (Å)
  C1 F2 I3 H4 H5
C11.35332.14491.08541.0854
F21.35332.91932.00262.0026
I32.14492.91932.66532.6653
H41.08542.00262.66531.8075
H51.08542.00262.66531.8075

picture of fluoroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 I3 111.107 F2 C1 H4 109.925
F2 C1 H5 109.925 I3 C1 H4 106.533
I3 C1 H5 106.533 H4 C1 H5 112.738
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.031      
2 F -0.181      
3 I -0.074      
4 H 0.143      
5 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.528 -0.526 0.000 1.616
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.030 -3.881 0.000
y -3.881 -37.389 0.000
z 0.000 0.000 -37.977
Traceless
 xyz
x -0.347 -3.881 0.000
y -3.881 0.614 0.000
z 0.000 0.000 -0.267
Polar
3z2-r2-0.535
x2-y2-0.641
xy-3.881
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.512 -0.547 0.000
y -0.547 8.491 0.000
z 0.000 0.000 5.247


<r2> (average value of r2) Å2
<r2> 105.598
(<r2>)1/2 10.276