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All results from a given calculation for CH2FI (fluoroiodomethane)

using model chemistry: TPSSh/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 TPSSh/3-21G*
 hartrees
Energy at 0K-7028.651943
Energy at 298.15K 
HF Energy-7028.651943
Nuclear repulsion energy212.353797
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 TPSSh/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' 3094 2988 16.04 106.14 0.10 0.19
2 A' 1543 1491 0.82 14.28 0.73 0.85
3 A' 1320 1275 72.22 2.58 0.65 0.78
4 A' 1068 1032 136.10 2.21 0.75 0.86
5 A' 551 532 50.69 24.37 0.26 0.41
6 A' 246 238 0.25 5.68 0.44 0.61
7 A" 3174 3065 9.25 69.12 0.75 0.86
8 A" 1231 1189 0.79 8.72 0.75 0.86
9 A" 878 848 1.22 4.41 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6552.9 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 6328.1 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 TPSSh/3-21G*
ABC
1.23671 0.09076 0.08598

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.539 -1.510 0.000
F2 -0.609 -2.312 0.000
I3 0.000 0.626 0.000
H4 1.125 -1.666 0.906
H5 1.125 -1.666 -0.906

Atom - Atom Distances (Å)
  C1 F2 I3 H4 H5
C11.40082.20281.09001.0900
F21.40083.00072.05992.0599
I32.20283.00072.70972.7097
H41.09002.05992.70971.8116
H51.09002.05992.70971.8116

picture of fluoroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 I3 110.778 F2 C1 H4 110.974
F2 C1 H5 110.974 I3 C1 H4 105.730
I3 C1 H5 105.730 H4 C1 H5 112.408
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.229      
2 F -0.263      
3 I -0.001      
4 H 0.247      
5 H 0.247      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.680 -0.619 0.000 1.790
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.576 -0.503 0.000
y -0.503 7.526 0.000
z 0.000 0.000 4.321


<r2> (average value of r2) Å2
<r2> 121.828
(<r2>)1/2 11.038