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All results from a given calculation for CH2FI (fluoroiodomethane)

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-7029.746463
Energy at 298.15K 
HF Energy-7029.746463
Nuclear repulsion energy214.472497
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 B1B95/3-21G
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' 3129 2994 12.06 98.56 0.10 0.19
2 A' 1548 1481 0.29 13.98 0.73 0.84
3 A' 1335 1277 65.17 2.75 0.57 0.73
4 A' 1098 1050 130.29 2.79 0.74 0.85
5 A' 575 550 45.87 25.22 0.26 0.41
6 A' 254 243 0.44 5.08 0.45 0.62
7 A" 3209 3070 5.87 64.40 0.75 0.86
8 A" 1245 1191 0.80 8.83 0.75 0.86
9 A" 890 852 1.22 4.15 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6641.1 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 6353.5 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 B1B95/3-21G
ABC
1.25026 0.09277 0.08783

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.535 -1.492 0.000
F2 -0.606 -2.286 0.000
I3 0.000 0.620 0.000
H4 1.122 -1.655 0.901
H5 1.122 -1.655 -0.901

Atom - Atom Distances (Å)
  C1 F2 I3 H4 H5
C11.39032.17831.08711.0871
F21.39032.96842.04822.0482
I32.17832.96842.69102.6910
H41.08712.04822.69101.8011
H51.08712.04822.69101.8011

picture of fluoroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 I3 110.625 F2 C1 H4 110.945
F2 C1 H5 110.945 I3 C1 H4 106.120
I3 C1 H5 106.120 H4 C1 H5 111.873
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.235      
2 F -0.278      
3 I 0.011      
4 H 0.251      
5 H 0.251      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.715 -0.457 0.000 1.775
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.191 -4.302 0.000
y -4.302 -38.685 0.000
z 0.000 0.000 -39.353
Traceless
 xyz
x -0.173 -4.302 0.000
y -4.302 0.587 0.000
z 0.000 0.000 -0.415
Polar
3z2-r2-0.829
x2-y2-0.507
xy-4.302
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.514 -0.505 0.000
y -0.505 7.260 0.000
z 0.000 0.000 4.273


<r2> (average value of r2) Å2
<r2> 119.789
(<r2>)1/2 10.945