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All results from a given calculation for CH2FI (fluoroiodomethane)

using model chemistry: B3PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-7029.063395
Energy at 298.15K 
HF Energy-7029.063395
Nuclear repulsion energy213.259786
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 B3PW91/3-21G*
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' 3105 2979 13.31      
2 A' 1541 1478 0.31      
3 A' 1328 1275 64.03      
4 A' 1087 1043 133.15      
5 A' 564 541 47.33      
6 A' 254 243 0.28      
7 A" 3184 3054 7.01      
8 A" 1240 1190 0.75      
9 A" 887 851 1.34      

Unscaled Zero Point Vibrational Energy (zpe) 6594.8 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 6327.1 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 B3PW91/3-21G*
ABC
1.24895 0.09153 0.08672

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.534 -1.502 0.000
F2 -0.606 -2.302 0.000
I3 0.000 0.624 0.000
H4 1.124 -1.661 0.904
H5 1.124 -1.661 -0.904

Atom - Atom Distances (Å)
  C1 F2 I3 H4 H5
C11.39312.19231.09041.0904
F21.39312.98812.05472.0547
I32.19232.98812.70152.7015
H41.09042.05472.70151.8072
H51.09042.05472.70151.8072

picture of fluoroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 I3 110.929 F2 C1 H4 111.061
F2 C1 H5 111.061 I3 C1 H4 105.813
I3 C1 H5 105.813 H4 C1 H5 111.921
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.242      
2 F -0.269      
3 I 0.006      
4 H 0.252      
5 H 0.252      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.696 -0.546 0.000 1.782
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.235 -4.240 0.000
y -4.240 -38.634 0.000
z 0.000 0.000 -39.409
Traceless
 xyz
x -0.214 -4.240 0.000
y -4.240 0.688 0.000
z 0.000 0.000 -0.475
Polar
3z2-r2-0.949
x2-y2-0.601
xy-4.240
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.537 -0.498 0.000
y -0.498 7.360 0.000
z 0.000 0.000 4.295


<r2> (average value of r2) Å2
<r2> 120.980
(<r2>)1/2 10.999