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All results from a given calculation for CH2FI (fluoroiodomethane)

using model chemistry: MP2=FULL/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-6987.367163
Energy at 298.15K 
HF Energy-6987.283775
Nuclear repulsion energy213.116781
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 MP2=FULL/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3332 2962 6.00 39.06 0.14 0.25
2 A' 1691 1503 1.68 14.31 0.73 0.85
3 A' 1452 1291 96.21 2.54 0.74 0.85
4 A' 1244 1106 38.34 6.12 0.72 0.84
5 A' 662 588 25.87 20.34 0.33 0.49
6 A' 304 271 1.53 4.57 0.54 0.70
7 A" 3445 3063 5.90 33.55 0.75 0.86
8 A" 1347 1197 3.45 10.64 0.75 0.86
9 A" 961 854 2.00 4.16 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7219.0 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 6416.9 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 MP2=FULL/STO-3G
ABC
1.27950 0.09087 0.08628

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.517 -1.484 0.000
F2 -0.599 -2.320 0.000
I3 0.000 0.625 0.000
H4 1.143 -1.677 0.905
H5 1.143 -1.677 -0.905

Atom - Atom Distances (Å)
  C1 F2 I3 H4 H5
C11.39442.17181.11721.1172
F21.39443.00602.06562.0656
I32.17183.00602.72532.7253
H41.11722.06562.72531.8098
H51.11722.06562.72531.8098

picture of fluoroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 I3 113.084 F2 C1 H4 110.162
F2 C1 H5 110.162 I3 C1 H4 107.539
I3 C1 H5 107.539 H4 C1 H5 108.188
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability