return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2FI (fluoroiodomethane)

using model chemistry: B97D3/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 B97D3/Def2TZVPP
 hartrees
Energy at 0K-437.356475
Energy at 298.15K 
HF Energy-437.356475
Nuclear repulsion energy117.905712
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 B97D3/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' 3037 2995 12.56 127.21 0.08 0.16
2 A' 1454 1434 0.24 7.81 0.71 0.83
3 A' 1254 1237 52.71 3.30 0.16 0.27
4 A' 1036 1022 233.16 2.40 0.67 0.80
5 A' 528 520 51.47 22.07 0.24 0.38
6 A' 254 250 0.15 6.52 0.36 0.53
7 A" 3127 3084 4.36 61.98 0.75 0.86
8 A" 1214 1197 2.27 3.21 0.75 0.86
9 A" 839 828 0.85 1.19 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6370.8 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 6283.5 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 B97D3/Def2TZVPP
ABC
1.29165 0.09224 0.08759

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.524 -1.503 0.000
F2 -0.593 -2.289 0.000
I3 0.000 0.622 0.000
H4 1.097 -1.669 0.913
H5 1.097 -1.669 -0.913

Atom - Atom Distances (Å)
  C1 F2 I3 H4 H5
C11.36662.18801.09001.0900
F21.36662.97082.01822.0182
I32.18802.97082.69872.6987
H41.09002.01822.69871.8250
H51.09002.01822.69871.8250

picture of fluoroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 I3 111.285 F2 C1 H4 109.974
F2 C1 H5 109.974 I3 C1 H4 105.906
I3 C1 H5 105.906 H4 C1 H5 113.679
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.009      
2 F -0.172      
3 I -0.074      
4 H 0.128      
5 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.485 -0.634 0.000 1.615
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.073 -3.788 0.000
y -3.788 -37.291 0.000
z 0.000 0.000 -38.055
Traceless
 xyz
x -0.400 -3.788 0.000
y -3.788 0.773 0.000
z 0.000 0.000 -0.373
Polar
3z2-r2-0.746
x2-y2-0.782
xy-3.788
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.632 -0.566 0.000
y -0.566 8.990 0.000
z 0.000 0.000 5.353


<r2> (average value of r2) Å2
<r2> 108.446
(<r2>)1/2 10.414