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All results from a given calculation for CH2FI (fluoroiodomethane)

using model chemistry: B3LYP/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-31G
 hartrees
Energy at 0K-42.439769
Energy at 298.15K 
HF Energy-42.439769
Nuclear repulsion energy36.158591
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 B3LYP/CEP-31G
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' 3122 3024 27.60 149.60 0.09 0.16
2 A' 1462 1416 0.31 20.97 0.55 0.71
3 A' 1298 1257 70.78 3.49 0.58 0.73
4 A' 978 947 189.37 7.19 0.58 0.74
5 A' 542 525 58.91 31.01 0.40 0.57
6 A' 252 244 0.57 9.67 0.56 0.72
7 A" 3235 3133 16.72 73.25 0.75 0.86
8 A" 1190 1152 2.90 15.89 0.75 0.86
9 A" 866 839 3.19 13.76 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6472.5 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 6268.0 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 B3LYP/CEP-31G
ABC
1.20537 0.09027 0.08544

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.553 -1.500 0.000
F2 -0.617 -2.321 0.000
I3 0.000 0.628 0.000
H4 1.118 -1.694 0.920
H5 1.118 -1.694 -0.920

Atom - Atom Distances (Å)
  C1 F2 I3 H4 H5
C11.42972.19851.09651.0965
F21.42973.01322.06142.0614
I32.19853.01322.73592.7359
H41.09652.06142.73591.8397
H51.09652.06142.73591.8397

picture of fluoroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 I3 110.499 F2 C1 H4 108.651
F2 C1 H5 108.651 I3 C1 H4 107.491
I3 C1 H5 107.491 H4 C1 H5 114.046
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.377      
2 F -0.208      
3 I 0.111      
4 H 0.237      
5 H 0.237      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.341 -0.041 0.000 2.341
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.642 -5.272 0.000
y -5.272 -32.462 0.000
z 0.000 0.000 -31.470
Traceless
 xyz
x 0.324 -5.272 0.000
y -5.272 -0.906 0.000
z 0.000 0.000 0.582
Polar
3z2-r21.164
x2-y20.820
xy-5.272
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.402 -0.913 0.000
y -0.913 7.633 0.000
z 0.000 0.000 1.975


<r2> (average value of r2) Å2
<r2> 83.196
(<r2>)1/2 9.121